ACCULINK 3166 DSU/CSU USER’S GUIDE Document No.
Copyright 1998 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice This publication is protected by federal copyright law. No part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language in any form or by any means, electronic, mechanical, magnetic, manual or otherwise, or disclosed to third parties without the express written permission of Paradyne Corporation, 8545 126th Ave. N.
Important Information Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product and to protect it from overheating, these slots and openings must not be blocked or covered. 3. Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord. 4.
Important Information EMI Warnings ! WARNING: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
Important Information Government Requirements and Equipment Return Certain governments require that instructions pertaining to CSU connection to the telephone network be included in the installation and operation manual. Specific instructions are listed in the following sections. United States NOTICE TO USERS OF THE UNITED STATES TELEPHONE NETWORK 1. This equipment complies with Part 68 of the FCC rules.
Important Information Canada NOTICE TO USERS OF THE CANADIAN TELEPHONE NETWORK The Industry Canada label identifies certified equipment. This certification means that the equipment meets telecommunications network protective, operational and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements document(s). The Department does not guarantee the equipment will operate to the user’s satisfaction.
Contents About This Guide Document Purpose and Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . vii Document Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Product-Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1 Introduction Overview . . . . . . . . . . . . . . .
Contents 3 SDCP Operation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Using the SDCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents 4 Monitoring and Testing Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Self-Test Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Device Health and Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Performance Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents A SDCP Menu B Technical Specifications Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 C Configuration Options Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1 Port Configuration Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 Network Interface Configuration Options . . . . . . . . . . . . . . . . . .
Contents E SNMP MIB Objects Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-1 MIB II (RFC 1213) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 System Group, MIB II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-2 Interface Group, MIB II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E-3 IP Group, MIB II . . . . . . .
Contents G Front Panel Emulation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-1 Installing Front Panel Emulation Software . . . . . . . . . . . . . . . . . . . . . . . . . . G-1 Starting Front Panel Emulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G-3 H Asynchronous Terminal Interface Operation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About This Guide Document Purpose and Intended Audience This operator’s guide contains installation, operation, and maintenance information for the ACCULINK 3166 Data Service Unit (DSU)/Channel Service Unit (CSU). It is assumed that you are familiar with the operation of digital data communication equipment. You should also be familiar with Simple Network Management Protocol (SNMP) if you want your DSU/CSU to be managed by an SNMP manager.
About This Guide Section Description Appendix E SNMP MIB Objects. Lists and describes the MIB support provided by the DSU/CSU. Appendix F IP Network Addressing Scenarios. Shows the use of IP addressing in sample networks. Appendix G Front Panel Emulation. Explains the use of the optional front panel emulation software. Appendix H Asynchronous Terminal Interface Operation. Describes the function and use of the Asynchronous Terminal Interface (ATI). Appendix I Equipment List.
About This Guide Reference Documents 3166-A2-GB20-10 AT&T Technical Reference 54016 AT&T Technical Reference 62411 ANSI T1.403-1989 Industry Canada CS-03 CSA-22.2 No. 950 Industry Canada (ICES)-003 FCC Part 15 FCC Part 68 UL 1950 Management Information Base for Network Management of TCP/IP-Based Internets: MIBII. RFC 1213, March 1991 Definitions of Managed Objects for the DS1 and E1 Interface Types.
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Introduction 1 Overview The ACCULINKR 3166 DSU/CSU acts as an interface between the T1 digital network and the customer premises equipment, converting signals received from the DTE (Data Terminal Equipment) to bipolar signals that can be transmitted over T1 lines. Typical applications include shared access to network-based services, Local Area Network (LAN)/Wide Area Network (WAN) interconnection, and fractional T1 network applications.
Introduction Alarm Message Capability The DSU/CSU can be attached, either locally or remotely, to an ASCII terminal or printer to display or print alarm messages. Alarms can also be displayed on a PC that is using a terminal emulation package. Front Panel Emulation The DSU/CSU offers functionality through Front Panel Emulation software that is similar to that provided by the optional Shared Diagnostic Control Panel (SDCP).
Introduction Physical Description The Model 3166 DSU/CSU consists of a circuit card with front panel, and a rear connector module. It is designed to be mounted in the 3000 Series Carrier. T NE Se lec t NE T TIC OS L GNNNE DIAHA C OK Fa il Te st Sig OO Alr EE DT Po rt 1 TX RX CT RT N Moet n In Ou t RT 1 PO M DS CO U/C SU 31 66 Circuit Card and Front Panel Rear Connector Module 98-16076 Table 1-1.
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Installation 2 Important Instructions Read and follow all warning notices and instructions marked on the DSU/CSU or included in this guide. For a complete listing of the safety instructions, see Important Safety Instructions at the beginning of this guide. ! HANDLING PRECAUTIONS FOR STATIC-SENSITIVE DEVICES 496-15104 3166-A2-GB20-10 This product is designed to protect sensitive components from damage due to electrostatic discharge (ESD) during normal operation.
Installation Installation Procedure To install the DSU and rear connector module: 1. At the rear of the carrier, set the tab on the rear connector module into one of the slotted grooves on the carrier’s backplane. Loosely fasten the screws. Make sure the rear connector module uses the same slot position intended for the DSU. NOTE: If an auxiliary backplane for Models 3151 or 3161 DSUs is installed in the same carrier, verify that it is mounted over slots 9–16.
Installation 3. Using a Phillips screwdriver, loosen the screw holding the circuit pack lock and rotate the lock to the open position. Open the latch. Circuit Pack Lock Circuit Card Guides Closed (Locked) Open (Unlocked) Latch 495-14813 4. At the front of the carrier, hold the DSU vertically with the latch on its faceplate in the open position. Then, insert the circuit card into the top and bottom circuit card guides for the slot that contains the rear connector module. 5.
Installation 7. Attach a modular cable (not included) to the COM connector of the rear connector module. (See Appendix D, Pin Assignments, for detailed cable and connector information.) Connect the other end to a terminal or PC. RT 1 PO Terminal or PC M CO 98-16079 8. Attach the DB25 port cable to the PORT 1 connector on the rear connector module. Connect the other end of the cable to the customer premises equipment.
Installation 9. Attach the network cable to the NET connector on the rear connector module. Connect the other end of the network cable to the connection provided by the telephone company. T NE Network IC ST NO EL AGANN I D H C 98-16077 10. To daisy-chain the diagnostic channel with that of other 3166 DSU/CSUs or a T1 auxiliary backplane, insert one end of the short diagnostic channel extension cable into either DIAGNOSTIC CHANNEL connector on the rear connector module.
Installation The power-up self-test begins when power is applied. During the power-up self-test, the Fail LED flashes, then all LEDs blink twice. When the test is complete, verify that the DSU/CSU is functional by observing that the OK and NET Sig LEDs are lit.
SDCP Operation 3 Overview This chapter contains information for operating your DSU/CSU using the optional Shared Diagnostic Control Panel of the 3000 Series Carrier. It includes a description of the SDCP and sample procedures for configuring the DSU/CSU. For more information about the SDCP, refer to the COMSPHERE 3000 Series Carrier Installation Manual. Using the SDCP The SDCP (Figure 3-1) contains a Liquid Crystal Display (LCD) and a keypad. F1 F2 F3 Figure 3-1.
SDCP Operation LCD The LCD is used to display two types of data: Messages such as alarms, command/test completion, and action in progress SDCP menu tree information (see Appendix A, SDCP Menu) The LCD displays status messages as requested via the Device Health and Status branch of the SDCP menu (see Device Health and Status in Chapter 4, Monitoring and Testing).
SDCP Operation Use the Function (F1, F2, F3) keys to make selections from the choices presented on the second line of the LCD. When this line presents choices, it is generally divided into three sections, each displayed directly above one of the Function keys. When your choice appears above one of the Function keys, press that key to select that choice. F1 F2 F3 The scroll keys ( and ) serve one of two functions, depending on whether a menu screen or a data entry screen appears on the front panel.
SDCP Operation LEDs There are twelve LEDs on the 3166 DSU/CSU front panel. A green LED indicates normal operation. A yellow LED indicates activity. Conditions are sampled every tenth of a second. The twelve front panel LEDs are grouped into three sections to indicate the status of the: System (Table 3-1) Network Interface (Table 3-2) Data Port (Table 3-3) Table 3-1.
SDCP Operation Table 3-2. Network Interface (NET) LEDs Select Name Color Meaning Sig Green Monitors the signal being received from the network. OK Fail ON : A recoverable signal is being received from the network. OFF : The signal cannot be recovered from the network (a Loss of Signal condition exists). Test Sig NET OOF Alrm Network Interface LEDs DTR Monitors Out Of Frame (OOF) conditions on the received network signal.
SDCP Operation Table 3-3. Data Port (Port1) LEDs Select Name Color Meaning DTR Green Monitors the state of interchange circuit CD (CCITT 108/1, /2) – Data Terminal Ready received from the synchronous data DTE. OK Fail Test Sig NET DTR is being asserted by the synchronous data DTE. OFF : DTR is not being asserted. OOF TXD Alrm Green EER DTR TXD Port1 ON : RXD CTS Data Port LEDs RTS ON : Ones are being received from the synchronous data DTE.
SDCP Operation Displaying Unit Identity The identity of the DSU/CSU (serial number, model number, software revision level, hardware revision level, and customer identification) is available through the Status branch of the SDCP menu (see Appendix A, SDCP Menu). The customer identification is the only identity number you can change. Procedure To display the DSU/CSU’s identity (ID): 1. From the top-level menu screen, select Stat. x:yy DSU ESF Stat Test Cnfig F1 F2 F3 2.
SDCP Operation Identity: Cust ID= xxxxxxxx F1 F2 F3 Identity: SRev= xx . xx .
SDCP Operation Setting Customer Identification The customer identification is the only identity number you can change. It is used to uniquely identify the DSU/CSU. Procedure To change the customer identification (CID): 1. From the top-level menu, press the on the screen. key until the Ctrl selection appears 2. Select Ctrl. 3. From the Control screen, press the on the screen. key until the CID selection appears 4. Select CID. Control: Reset CID Passwd F1 F2 F3 5.
SDCP Operation Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitored by the LED command. This command is most useful when the DSU/CSU is being accessed remotely (see Appendix G, Front Panel Emulation). When using Front Panel Emulation, no LEDs are shown on the PC’s screen; you must use the Stat command procedure described below to get LED information. " Procedure To display LED conditions on the front panel screen: 1.
SDCP Operation If you chose Prt1, the Port 1 LEDs screen lists the LED signals, two at a time, on the second line. A vertical bar at the left of the LED name indicates the condition is ON, while an underscore indicates the condition is Off. Port n LEDs: JDTR _TXD 5. Use the F3 F1 F2 and keys to scroll LED names onto the screen. Changing Configuration Options The DSU/CSU is an intelligent device that displays only valid options for the current configuration.
SDCP Operation The configuration options are divided into functional groups. Appendix C contains a list of the configuration options and defaults. These groups are: Port Interface Network Interface Channel General User Interface Alarm General Management Management Trap The DSU/CSU arrives with two preset factory default configuration settings. These settings are based on the following: Factory 1 – ESF framing format with B8ZS line coding format for the network interface.
SDCP Operation Displaying/Editing Configuration Options Procedure To display/edit configuration options: 1. From the top-level menu screen, select Cnfig. Stat F1 DSU ESF Test Cnfig F2 F3 2. Select the configuration option set to be copied into the Edit area by using the appropriate Function key. Use the scroll keys, if necessary. Load from: Activ Cust1 F1 F2 F3 3. Select Edit. Choose Funct: Edit Save F1 F2 F3 4.
SDCP Operation The configuration options for the selected functional group appear on the SDCP one option at a time. The option name appears on Line 1 with the current value next to it. To reach other options, use the Next and Previous selections to scroll forward and backward through the group of options. NET Framing: ESF Next D4 ESF F1 F2 F3 5. Press the appropriate Function key to choose another value. Use the scroll keys, if necessary. 6.
SDCP Operation Saving Edit Changes Save edit changes to the Active area when you want those changes to take effect immediately. Save edit changes to the Customer area when you want to overwrite the existing Customer configuration options and store these changes for future use. NOTE: If you attempt to exit the Edit function after making changes without performing a Save, the DSU/CSU prompts you with Save Options? Choose Yes or No. Procedure To save edit changes: 1.
SDCP Operation Enabling the Communication Port Communication between the 3166 DSU/CSU and an external PC, ASCII device, SNMP manager, or async terminal interface (attached either locally or through an external modem) occurs through a communication (COM) port. Once the COM port is enabled, other COM port configuration options can be selected. " Procedure To enable the COM port: 1. From the top-level menu screen, select Cnfig. 2.
SDCP Operation The set of valid characters for control of the carrier external COM port device is as follows: 3166-A2-GB20-10 The numbers: 0 –9 The lowercase letters: a–z The uppercase letters: A–Z The space (“ ”) character The ASCII symbols (in ascending order, based on the ASCII code) The End Of Line (EOL) symbol: ← The caret (‘‘^”) control character is used to select non-printable ASCII characters.
SDCP Operation Table 3-4.
SDCP Operation Configuring the DSU/CSU for SNMP or Telnet Access To configure the DSU/CSU for SNMP or Telnet access: 3166-A2-GB20-10 Enable the SNMP agent or Telnet server within the DSU/CSU (see Appendix C, Configuration Options). Select and configure the port that provides the link to the SNMP or Telnet system. Set the Internet Protocol (IP) address and subnet mask needed to access the DSU/CSU (see Appendix F, IP Network Addressing Scenarios).
SDCP Operation Selecting the Port The SNMP manager, Telnet device, external LAN adapter, or network device (e.g., a router) can be directly connected to the communications (COM) port. The COM port can support either synchronous or asynchronous PPP, or asynchronous SLIP at data rates of up to 19,200 bps. The example below shows how to select the COM port as the link to the SNMP or Telnet system. Procedure To select the COM port as the SNMP or Telnet link: 1. From the top-level menu screen, select Cnfig.
SDCP Operation Setting the IP Address The IP address is the address used by the SNMP or Telnet system to access the DSU/CSU (see Appendix F, IP Network Addressing Scenarios). For DSU/CSUs using PPP, the IP address can be negotiated if the network device (e.g., router or SNMP manager) supports such negotiation. The IP address is composed of four fields with three digits per field (xxx.xxx.xxx.xxx). The example below assumes that an IP address of 010.155.111.222 is being set for the COM port.
SDCP Operation NOTE: Steps 8 and 9 describe the process for entering an IP address. This process applies to any IP address. 8. Press F2 (Edit) to edit the IP address. You have the option of using F3 (Clear) to reset the IP address to the factory default 000.000.000.000. Com IP Adr: Next Edit F1 F2 Clear F3 9. Use the and keys to position the cursor under the digit you want to change. Press F1 (Up) to increment the digit or F2 (Down) to decrement the once to place the cursor under the digit.
SDCP Operation Selecting the Link Layer Protocol Two link layer protocols, Point-to-Point Protocol (PPP) and Serial Line Internet Protocol (SLIP), are supported for connection to an external SNMP manager, Telnet device, or network device (e.g., a router). PPP can be used for synchronous or asynchronous operation. SLIP can be used for asynchronous operation only. The Model 3166 DSU/CSU implementation of PPP supports the following: H Full negotiation of PPP’s Link Control Protocol (LCP).
SDCP Operation 5. Select Mgmt. Edit: User F1 Alarm Mgmt F3 F2 6. From the Mgmt Config screen, select Gen. Mgmt Config: Gen Trap F1 F3 F2 7. Press F1 (Next) until the Com Link configuration option appears. 8. Press F2 (PPP) or F3 (SLIP).
SDCP Operation 5. Select Mgmt. Edit: User F1 Alarm Mgmt F2 F3 6. From the Mgmt Config screen, select Gen. Mgmt Config: Gen Trap F1 F2 F3 7. Press F1 (Next) until the CommunityName1 configuration option appears. 8. Press F2 (Edit) to edit the community name. CommunityName1: Next Edit Clear F1 F2 F3 NOTE: Steps 9 and 10 describe the process for entering text strings for Mgmt configuration options. This process applies to entering any text strings into Mgmt configuration options.
SDCP Operation 12. Press F2 (Read) or F3 (R/W). Access 1: Next Read F1 F2 R/W F3 The Read selection allows read-only access (SNMP “Get”) to the accessible objects in the MIB when community name 1 is used. The R/W selection allows Read/Write access (SNMP “Get” and “Set”) to the objects in the MIB. Write access is allowed for all objects specified as read/write in the MIB. Read access is allowed for all objects specified as read-only or read/write.
SDCP Operation 7. Press F2 (Enab) to enable trap messages over the SNMP management link. SNMP Trap: Next Enab F1 Disab F2 F3 Selecting the Number of Trap Managers If you intend to issue traps to an SNMP manager(s) from this device, you must specify the number of SNMP managers that are to receive the traps. Procedure To specify the number of SNMP managers to receive traps from this device: 1. From the top-level menu screen, select Cnfig. 2.
SDCP Operation Configuring a Destination for SNMP Traps A destination must be configured for each SNMP trap manager specified. This configuration option is displayed for the number of trap managers specified by the Number of Trap Managers configuration option. Procedure To configure an IP address for the SNMP trap manager: 1. From the top-level menu screen, select Cnfig. 2. Select the configuration option set to be copied into the Edit area by using the appropriate Function key.
SDCP Operation Allocating Data Ports By using the configuration options, assign a specific port to DS0 channels on the network interface. The following methods are available to assign DS0 channels to the port: Block – Allows a block of contiguous channels to be assigned by specifying a data port rate and an initial DS0 channel (the first DS0 channel in a block of DS0 channels). The number of channels assigned is determined by the port rate.
SDCP Operation Procedure To select the data port: 1. From the top-level menu screen, select Cnfig. 2. Select the configuration option set to be copied into the Edit area by using the appropriate Function key. Use the scroll keys, if necessary. 3. Select Edit. 4. Select Chan. Edit:DTE NET Chan F1 F2 Gen F3 5. From the Channel Config screen, press the the screen. key to scroll the ports onto 6. Select Prt1. Channel Config: Dsply Clear Prt1 F1 F2 F3 7.
SDCP Operation Block or ACAMI Assignment Method The Assign By configuration option screen appears after you select a port. Procedure To assign by the block or ACAMI method: 1. Press F2 for Block or F3 for ACAMI. Assign By: Next Block ACAMI F1 F2 F3 or Assign By: Next Block ACAMI F1 F2 F3 2. Press F1 (Next) to display the next configuration option (Port Rate). 3. Use the or key to scroll the desired port rate onto the screen. Rates scroll in groups of three.
SDCP Operation 4. The Start At screen displays the configuration option used to select the starting DS0 channel. The network channels appear on the screen. The following screen shows an example for the network interface. Use the or key to scroll the desired channel onto the screen. Use the Function keys to select the starting channel. Only those DS0 channel numbers that provide enough bandwidth (based on the configured data rate) to be used as a starting channel number are displayed.
SDCP Operation 4. Line 1 displays the 24 channels for the network interface. Line 2 displays or what is allocated to the DS0 channel shown in Line 1. Pressing the key scrolls the channels onto the screen in groups of three. Select the channel by pressing the Function key under the desired number. Portn appears. The port is assigned to that channel. To deallocate a port, press the Function key under that port number. Pressing the Function key under channels assigned to other ports has no effect.
SDCP Operation Selecting the Timing Source The DSU/CSU provides the ability to select a master clock (timing) source that is used to synchronize all of the T1 and data port interfaces on the DSU/CSU. The clock for each interface is at the appropriate rate for that interface (e.g., 1.544 Mbps for the T1 interface, the configured port rate for the data ports), and it is independent of the master clock rate. This means that the master clock rate and the DSU/CSU interface rates may be different.
SDCP Operation Establishing Access Security on the COM Port Although the password feature is available, it is not required as a factory default. If used, it ensures access security before device control is passed to a device connected to the COM port. The default is None. The password itself is set separately (refer to the following section, Setting a Password). Procedure To establish access security on a port: 1. From the top-level menu screen, select Cnfig. 2.
SDCP Operation Setting a Password In addition to establishing access security on a port (refer to the previous section, Establishing Access Security on the COM Port) the password itself is set. Unless you specify otherwise, the password is null. Procedure To set a password: 1. From the top-level menu screen, press the appears on the screen. key until the Ctrl selection 2. Select Ctrl. 3. From the Control screen, press the appears on the screen. key until the Passwd selection 4. Select Passwd.
SDCP Operation Entering a Password to Gain Access You are prompted to enter a password (up to 8 characters) when you are accessing a port whose Password configuration option is set (refer to the previous section, Setting a Password). Valid password characters are 0 –9, a–z, A–Z, #, -, ., and /. The existing password is not shown on the screen. An underscore in the first position shows where to enter the first character.
SDCP Operation Acquiring/Releasing the User Interface You can access the user interface from either the the COM port or the SDCP. The DSU/CSU allows only one user interface to be active at a time. The COM port is the default user interface at power-up or after a reset. It is also the default during a software download or when a failure occurs at either the local or remote PC interface.
SDCP Operation The inactive interface displays an interface idle message after control has been released from the previously active interface and another interface has not become active. DSU ESF Com Port idle F1 F3 F2 Releasing the Active User Interface To release the current active user interface, either allow five minutes to elapse without pressing any key or use the Release command. Procedure To use the Release command: 1. From the top-level menu screen, press the appears on the screen.
SDCP Operation Resetting the DSU/CSU Use the Reset command to perform a power-on reset of the DSU/CSU. Procedure To reset the DSU/CSU: 1. From the top-level menu screen, press the appears on the screen. key until the Ctrl selection 2. Select Ctrl. 3. From the Control screen, press the on the screen. key until the Reset selection appears 4. Select Reset. Control: ClrReg Reset F1 F2 F3 5.
Monitoring and Testing 4 Overview The 3166 DSU/CSU can detect and report faults, and perform diagnostic tests. These features ensure that your DSU/CSU is giving you optimum performance in your network. Self-Test Health Use the Self-Test Health command to display the results of the power-up self-test. Possible messages are listed in Table 4-1. See Chapter 2, Installation, for more information about power-up self-test. Procedure To display power-up self-test results: 1.
Monitoring and Testing 3. View the results of the last power-up self-test. If no problems were found during power-up, the following message appears. STest Health: Passed F1 F2 F3 Table 4-1. Self-Test Health Messages 4-2 Message Description Passed No problems were found during power-up. CPU fail The central processing unit failed internal testing. Device fail One or more of the unit’s integrated circuit chips failed to pass internal device level testing.
Monitoring and Testing Device Health and Status Use the Device Health and Status branch to view the current health and status messages for the DSU/CSU. Table 4-2 lists these messages in priority order. Procedure To display device health and status: 1. From the top-level menu screen, select Stat. 2. From the Status screen, select DevHS. Status: DevHS STest F1 F2 Perf F3 Alarm/status messages appear on Line 2 of the LCD in priority order (highest to lowest).
Monitoring and Testing Table 4-2. Device Health and Status Messages 4-4 Message Description LOS at Net A Loss Of Signal condition (175 consecutive zeros) has been detected on the network interface. The condition is cleared when the density of ones to zeros received is 12.5%. OOF at Net An Out Of Frame condition (2 out of 4 frame synchronization bits in error) has been detected on the network interface. The condition is cleared when a reframe occurs.
Monitoring and Testing Performance Reports When the network interface is configured for ESF operation, network performance is continuously monitored and maintained in two sets of aggregate registers: Carrier Network Interface Registers (Telco) and User Network Interface Registers (User). The User registers contain an extra status register (Status Event). Registers shown on the front panel LCD are listed in Table 4-3.
Monitoring and Testing 4. From the User Registers screen: — Press F1 to view current registers (go to Step 5) — Press F2 to view 24-Hour Totals (go to Step 6) — Press F3 to view 15-Minute Interval Registers (go to Step 7) User Registers: Cur 24Tot Intvl F1 F2 F3 5. When you press F1 from the User Registers screen, the User registers for the current 15-minute interval appear. User Current: Event = xx,xxx F1 F2 F3 6.
Monitoring and Testing 9. When you have selected the number of the interval you want to display, press F3 (Dsply) to display the registers for the interval selected. Use the scroll keys to view additional register information. User Intvl: xx ES= xxx F1 F2 F3 Table 4-3. Performance Registers (1 of 3) 3166-A2-GB20-10 Register Interval Description Totals Description Event ESF error events counter.
Monitoring and Testing Table 4-3. Performance Registers (2 of 3) 4-8 Register Interval Description Totals Description SES The number of severely errored seconds for the current interval. A severely errored second is any second with 320 or more CRC errors, or any second with one or more OOF events. The maximum is 900 seconds. The total number of severely errored seconds for the previous x hours, where x is 24 hours for aggregate performance and 8 hours for port performance.
Monitoring and Testing Table 4-3. Performance Registers (3 of 3) Register Interval Description Totals Description StEvnt (Only valid for User registers.) The status events register records N/A whether one or more of the following events have occurred at least once during the interval. The event is identified by a letter as follows: Y – A Yellow Alarm signal has been received on the network interface. L – Loss Of Signal has occurred on the DTE Drop/Insert (DSX-1) interface.
Monitoring and Testing Resetting Performance Registers You can reset the performance registers via the ClrReg command in the Control branch of the front panel menu. Procedure To clear the performance registers: 1. From the top-level menu screen, press the appears on the screen. key until the Ctrl selection 2. Select Ctrl. 3. From the Control screen, press the appears on the screen. key until the ClrReg selection 4. Select ClrReg. Control: Rel LED F1 ClrReg F2 F3 5.
Monitoring and Testing Alarms The DSU/CSU can be attached, either locally or remotely, to an ASCII terminal or printer to display or print alarm messages. Alarms can also be displayed on a PC that is using a terminal emulation package. You can route these alarms to the COM port or dial them out using an external device. Each alarm message contains a customer identification to indicate which remote DSU/CSU is reporting an alarm.
Monitoring and Testing SNMP Traps SNMP traps are unsolicited messages that are sent from the DSU/CSU to an SNMP manager when the DSU/CSU detects certain pre-specified conditions. These traps enable the SNMP manager to monitor the state of the network. The SNMP Trap configuration option must be enabled for trap messages to be sent over the communications link.
Monitoring and Testing Table 4-4. Enterprise-Specific Trap Definitions Trap Value Event enterpriseClockFail(1) The currently configured master clock source has failed. enterpriseSelfTestFail(2) A DSU/CSU hardware failure is detected at self-test. This trap is generated after DSU/CSU initialization. enterpriseDeviceFail(3) An internal DSU/CSU failure is detected by the operating software. enterpriseTestStart(5) A test is initiated. enterpriseConfigChange(6) A configuration option is changed.
Monitoring and Testing Troubleshooting The DSU/CSU is designed to provide you with trouble-free service. However, Table 4-6 gives you some direction if a problem occurs. For problems other than those listed in the table, please contact your service representative. Table 4-6. Troubleshooting (1 of 2) Symptom Possible Cause Solutions No power 1. The power module is not securely attached. 1. Check the power module attachment. 2. The wall receptacle has no power. 2.
Monitoring and Testing Table 4-6. Troubleshooting (2 of 2) Symptom Possible Cause Solutions A failure message appears followed by an 8-digit code (x x x x x x x x ) Internal DSU/CSU problem. Record the 8-digit code, then contact your service representative. Mgmt link is down 1. The manager configuration is mismatched with the DSU/CSU configuration. 1. Check that the configurations are matched. 2. The manager’s link layer protocol is not running. 2. Start the link layer protocol.
Monitoring and Testing Remote Loopback Tests The Remote Loopback tests enable you to troubleshoot your circuit by sending the following to a far-end device: For Networks Line loopback up activation sequence for 10 seconds (LLBUP) Line loopback down activation sequence for 10 seconds (LLBDN) For Channels V.54 activation sequence to initiate a V.54 Loop 2 (54UP) V.54 deactivation sequence to terminate a V.54 Loop (54DN) ANSI T1.
Monitoring and Testing Sending a Line Loopback Up or Down Procedure To send a Line Loopback Up or Down sequence on the network to a far-end DSU/CSU: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Rlpbk. Test: Rlpbk Lpbk F1 F2 Ptrns F3 3. From the Rem Loopback screen, press F1 to select LLBUP (Line Loopback Up), or press F2 to select LLBDN (Line Loopback Down).
Monitoring and Testing Sending a V.54/ANSI FT1 Activation/Deactivation Procedure To send a V.54 or ANSI FT1 Activation or Deactivation loopback sequence to the far-end DSU/CSU: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Rlpbk. Test: Rlpbk Lpbk F1 F2 Ptrns F3 3. From the Rem Loopback screen, press the function key that corresponds to the specific loopback test you want to perform. Use the scroll keys, if necessary.
Monitoring and Testing Local Loopback Tests The Local Loopback tests enable you to conduct circuit testing and fault isolation for the digital line. The supported local loopback tests are: Line Loopback (LLB) Payload Loopback (PLB) Repeater Loopback (RLB) Data Channel Loopback (DCLB) Data Terminal Loopback (DTLB) The Line Loopback command can be activated and deactivated in response to commands received over the network interface.
Monitoring and Testing Starting a Line Loopback The Line Loopback command (LLB) loops the received signal on the network interface back to the network without change. DSU CSU NETWORK LLB INTERFACE ALL 1s 98-15946 PORT 1 Procedure To perform a Line loopback: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk. Test: Rlpbk Lpbk F1 F2 Ptrns F3 3. From the Loopback screen, select LLB. Loopback: Abort LLB F1 F2 PLB F3 Test Started appears on Line 2.
Monitoring and Testing Starting a Payload Loopback The Payload Loopback command (PLB) loops the received signal on the network interface back to the network after it has passed through the framing circuitry of the DSU/CSU. Framing CRCs and BPVs are corrected. DSU CSU PLB NETWORK INTERFACE ALL 1s 98-15947 PORT 1 Procedure To perform a Payload loopback: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk. Test: Rlpbk Lpbk F1 F2 Ptrns F3 3.
Monitoring and Testing Starting a Repeater Loopback The Repeater Loopback command (RLB) loops the signal being sent to the network back to the data port. The signal is looped back as close to the network interface as possible (after it has passed through the framing circuitry of the DSU/CSU). Framing CRCs and BPVs are corrected. DSU CSU NETWORK INTERFACE ALL 1s RLB 98-15948 PORT 1 Procedure To perform a Repeater loopback: 1. From the top-level menu screen, select Test. 2.
Monitoring and Testing Starting a Data Channel Loopback The Data Channel Loopback command (DCLB) loops the data received from the network interface, for all DS0 channels allocated to Port 1, back to the network. The loopback occurs after the data passes through the port circuitry but before it is sent out the data port. DSU CSU NETWORK INTERFACE DCLB 98-16103 Procedure To perform a Data Channel loopback: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk.
Monitoring and Testing Starting a Data Terminal Loopback The Data Terminal Loopback command (DTLB) loops the data received from Port 1, for all DS0 channels allocated to the port, back out of the port. This loopback occurs after the data passes through the port circuitry but before it reaches the T1 framer. DSU CSU ALL 1s NETWORK INTERFACE DTLB PORT 1 98-15950 Procedure To perform a Data Terminal loopback: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk.
Monitoring and Testing Aborting Loopbacks The Abort Loopback command stops all loopback tests or any selected loopback test currently active on the DSU/CSU. Procedure To abort one or more loopback tests: 1. From the top-level menu screen, select Test. 2. From the Test screen, select Lpbk. Test: Rlpbk Lpbk F1 F2 Ptrns F3 3. From the Loopback screen, select Abort. Loopback: Abort LLB F1 F2 PLB F3 4.
Monitoring and Testing Test Patterns Use the Test Pattern commands to send, monitor, and abort test patterns. Available test patterns are: H QRSS – A quasi-random signal source approximating live data that can be monitored for logic errors (on the network and the data ports). H 1-in-8 – A test pattern consisting of a one (1) followed by seven zeros (on the network only). H 511 – A pseudo-random bit sequence (PRBS) that is 511 bits long (on the data ports only). This is a PRBS 29–1 test.
Monitoring and Testing 5. From the Send screen, press the Function key that corresponds to the interface for which you want to send a test pattern. (NET does not appear for the 511 pattern.) Send: Name NET Prt1 F1 F2 F3 The Test Started screen appears. Send: Name and Dest Test Started F1 F2 F3 If the DSU/CSU is already sending the test pattern you selected, the message Already active appears.
Monitoring and Testing 3. From the Patterns screen, select Mon. Patterns: Abort Send F1 F2 Mon F3 4. From the Patterns Mon screen, press F1 for QRSS or F2 for 511. Patterns: Mon QRSS 511 F1 F2 F3 5. From the Monitor screen, press the Function key that corresponds to the interface for which you want to send a test pattern. (NET does not appear for the 511 pattern.) Monitor: Name NET Prt1 F1 F2 F3 The Monitor screen appears with the error count.
Monitoring and Testing 3. From the Patterns screen, select Abort. Patterns: Abort Send F1 F2 Mon F3 4. From the Patterns Abort screen, press the desired Function key to abort either All active test patterns, active Send test patterns, or the active Monitor (Mon) test pattern. Patterns: Abort All Send Mon F1 F2 F3 If you select All, the DSU/CSU terminates all active test patterns and displays the message Command Complete. Skip Step 5.
Monitoring and Testing Lamp Test Use the Lamp Test commands to start and stop a test of the DSU/CSU front panel LCD and LEDs. Starting a Lamp Test Procedure To start a Lamp test: 1. From the top-level menu screen, select Test. 2. From the Test screen, press the the screen. key until the Lamp selection appears on 3. From the Test screen, select Lamp. Test: Lpbk F1 Ptrns F2 Lamp F3 4. From the Lamp Test screen, select Start. Lamp Test: Abort Start F1 F2 F3 5.
Monitoring and Testing 6. When you are satisfied that all LEDs are lighting and the LCD is functioning properly, abort the Lamp test from the Lamp Test screen. If there is no activity on the DSU/CSU front panel for five minutes, the Device Health and Status screen appears automatically. However, the Lamp test remains active until it is aborted. Aborting a Lamp Test Procedure To abort the Lamp test: 1. Display the Lamp Test screen.
Monitoring and Testing Displaying DSU/CSU Test Status Use the Test Status command to display the active tests for the DSU/CSU. Status messages that can display on the front panel LCD are listed in Table 4-8. Procedure To display test status: 1. From the top-level menu screen, select Stat. 2. From the Status screen, press the on the screen. key until the TStat selection appears 3. Select TStat.
SDCP Menu A DSU ESF Stat Test DevHS STest Perf TStat LED Telco User Pr t1 Cnfig Ctrl ACO ID Clear* Rel Call T1 Prt1 ClrReg Reset DL Passwd User Prt1 Near Far Rlpbk Cur Intvl 24Tot CID Lpbk Ptrns Lamp Dial Cur Intvl 8Tot Abort Send LLBUP 54UP FT1UP LLBDN 54DN FT1DN Near Disc ChDir Far Mon 1 . . 5,A (Directory) QRSS 511 1 . .
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Technical Specifications B Overview The technical specifications for the 3166 DSU/CSU are listed in Table B-1. The fan module cooling requirements for the 3000 Series Carrier are provided in the COMSPHERE 3000 Series Carrier Installation Manual. Table B-1. ACCULINK Model 3166 DSU/CSU Technical Specifications (1 of 2) Criteria Specifications POWER REQUIREMENTS Sixteen 3166 DSU/CSUs with SDU, SDCP, and fan module: 115 Vac power supply – 48 Vdc power supply – 60 to – 40 Vdc (4.
Technical Specifications Table B-1. ACCULINK Model 3166 DSU/CSU Technical Specifications (2 of 2) B-2 Specifications Criteria PORT INTERFACE Standards EIA-530-A, V.35, RS-449, V.11 Rates Nx64 – 64-1.536 Mb Nx56 – 56-1.344 Mb CLOCKING SOURCES T1 network interface, Port 1, internal clock, or external clock APPROVALS Refer to the product labeling PHYSICAL DIMENSIONS Height Width Depth 7.1 inches (18.0 cm) 1.0 inches (2.5 cm) 14.2 inches (36.1 cm) WEIGHT Circuit Card Rear Connector Module 13.
Configuration Options C Overview The DSU/CSU configuration option tables contain a list of all configuration options and their available selections. The configuration options are arranged into functional groups: Port Configuration Options The Port configuration options configure the synchronous data port on the DSU/CSU (Table C-1). Network Interface Configuration Options The Network Interface configuration options configure the network interface on the DSU/CSU (Table C-2).
Configuration Options Port Configuration Options Table C-1. Port Configuration Options (1 of 5) Port Type: E530 (Factory 1) V.35 (Factory 2) Next E530 V.35 RS449 X.21 Prev Data Port Type. Allows selection of the data port interface type. E530 – Configures the port as an EIA-530-A compatible interface. EIA-530-A DTEs can be directly connected to the Port1 connector. V.35 – Configures the port as a V.35 compatible interface. V.35 DTEs can be connected to the Port1 connector using an EIA-530-A-to-V.
Configuration Options Table C-1. Port Configuration Options (2 of 5) Port LB: Disab (Factory 1) Both (Factory 2) Next Disab DTLB DCLB Both Prev Port (DTE) Initiated Loopbacks. Allows the initiation and termination of a local Data Terminal Loopback (DTLB) or remote Data Channel Loopback (DCLB) by the DTE connected to this port. (DTLB is equivalent to a V.54 loop 3, and DCLB is equivalent to a V.54 loop 2.) Control of these loopbacks is through the DTE interchange circuits as specified by the V.54 standard.
Configuration Options Table C-1. Port Configuration Options (3 of 5) Tx Clock: Int Next Int Ext Prev Data Port Transmit Clock. Specifies whether the transmitted data for the port is clocked using an internal clock provided by the DSU/CSU (synchronized to the clock source specified by the clock source configuration option in the General configuration option group) or an external clock provided by the DTE connected to the port.
Configuration Options Table C-1. Port Configuration Options (4 of 5) Err Rate: 10E-4 Next 10E-4 10E-5 10E-6 10E-7 10E-8 10E-9 Prev Port Excessive Error Rate Threshold. Sets the error rate threshold that determines when an Excessive Error Rate (EER) condition is declared for a particular port. The error rate selected by this configuration option is determined by the ratio of the number of CRC5 errors to the total number of bits received over a set period of time. 10E-4 – 10E-4 Threshold.
Configuration Options Table C-1. Port Configuration Options (5 of 5) Far-end: Disab Next Disab Maint Prev Far-End Performance Statistics. Specifies whether to monitor for far-end performance report messages (PRMs) and maintain far-end performance registers for a particular port. Disab – Disables far-end performance statistics. Maint – Monitors the port’s EDL for PRMs and maintains far-end performance statistics. NOTES: – This configuration option is not available if EDL is disabled.
Configuration Options Network Interface Configuration Options Table C-2. Network Interface Configuration Options (1 of 3) NET Framing: ESF (Factory 1) Next D4 ESF Prev D4 (Factory 2) Network Line Framing Format. The framing format to be used on the network interface. D4 – Configures for the D4 framing format. ESF – Configures for the Extended Superframe format. NET Coding: B8ZS (Factory 1) Next AMI B8ZS Prev AMI (Factory 2) Network Line Coding Format.
Configuration Options Table C-2. Network Interface Configuration Options (2 of 3) NET LLB: Enab Next Enab Disab Prev Network Initiated Line Loopback (LLB). Allows initiation and termination of the LLB to be controlled by the receipt of LLB-Actuate and LLB-Release commands from the network (or remote DSU/CSU). Enab – Causes the DSU/CSU to enter an LLB (if the DSU/CSU can perform an LLB in its current state) and to cause an LLB-Release command to terminate the LLB.
Configuration Options Table C-2. Network Interface Configuration Options (3 of 3) Circuit Ident: Next Edit Clear Prev Network Circuit Identifier. Specifies the transmission vendor’s circuit identifier for the purpose of facilitating troubleshooting. The network circuit identifier is an ASCII text string that may be up to 255 characters in length. Edit – Allows you to edit and/or display the network circuit identifier using the generic text string entry screen.
Configuration Options Table C-3. General Configuration Options (2 of 2) TstDuration: 10 Next Up Down Save Prev Test Duration. Specifies the duration (1 to 120 minutes) of user-initiated loopback and pattern tests. (The Tst Timeout configuration option must be set to Enab.) Use the left or right arrow key to position the cursor on the digit you want to change. Use the Function keys (Up or Down) to increment or decrement the digit. Up – Increments the test duration. Down – Decrements the test duration.
Configuration Options Table C-4. User Interface Configuration Options (2 of 6) Com Use: ASCII Next Mgmt ASCII Term Prev Communication Port Use. Specifies how the communication port is used. Mgmt – Configures the communication port as the link to an SNMP or Telnet system. ASCII – Configures the communication port as a proprietary ASCII port supporting Front Panel Emulation software and ASCII alarm messages. Only one ASCII communication port is allowed per 3000 Series carrier.
Configuration Options Table C-4. User Interface Configuration Options (3 of 6) ComConnected: Next Edit Clear Prev Carrier Communication Port Connect Indication String. Specifies the communication port’s connect indication string. When you make a connection or the DSU/CSU automatically makes a connection (dial-out alarms or traps) through the communication port, this string determines that the connection has been established.
Configuration Options Table C-4. User Interface Configuration Options (4 of 6) ComDisconnect: Next Edit Clear Prev Carrier Communication Port Disconnect String. Specifies the communication port’s disconnect string. The communication port’s disconnect string is sent to the external device if either you or the DSU/CSU wants to command the external device to disconnect.
Configuration Options Table C-4. User Interface Configuration Options (5 of 6) Ignore DTR: No Next Yes No Prev Communication Port Ignore DTR State. Specifies whether the DSU/CSU ignores the state of the Data Terminal Ready (DTR) input to the communication port. Yes – DTR is ignored. No – DTR is not ignored. CmInActTm: Disab Next Enab Disab Prev Communication Port Inactivity Timeout.
Configuration Options Table C-4. User Interface Configuration Options (6 of 6) TnDiscTm: 5 Next Up Down Save Prev Telnet Disconnect Time. Specifies the period of time (1 to 60 minutes) before the Telnet session disconnects due to inactivity. (The TnInActTm configuration option must be set to Enab.) Use the left or right arrow key to position the cursor on the digit you want to change. Use the Function keys (Up or Down) to increment or decrement the digit. Up – Increments the time delay.
Configuration Options Alarm Configuration Options Table C-5. Alarm Configuration Options (1 of 3) Alrm Msg: Disab Next Disab Com Prev Alarm Messages. Controls the generation of alarm messages, which are routed to an ASCII terminal or printer attached to the communication port and/or the modem port. Disab – Prevents an alarm message for any alarm conditions. Com – Enables alarm messages routed to the communication port.
Configuration Options Table C-5. Alarm Configuration Options (2 of 3) DialOut: Disab Next Enab Disab Prev Alarm and Trap Dial Out. Controls whether generated alarm or trap messages initiate a call if the external communication port device connection has not already been established. When enabled, a call is placed to the phone number contained in the alarm directory (directory A).
Configuration Options Table C-5. Alarm Configuration Options (3 of 3) Err Rate: 10E-4 Next 10E-4 10E-5 10E-6 10E-7 10E-8 10E-9 Prev Excessive Error Rate Threshold. Sets the error rate threshold that determines if an Excessive Error Rate (EER) condition is declared. This rate is determined by the ratio of the number of CRC6 errors to the total number of bits received over a set period of time.
Configuration Options Management Configuration Options The Management configuration options are divided into two tables as follows: General Management Configuration Options (Table C-6) Management Trap Configuration Options (Table C-7) Table C-6. General Management Configuration Options (1 of 4) SNMP Mgt: Disab Next Enab Disab Prev SNMP Management Enable. Specifies whether the DSU/CSU responds to SNMP session requests. Enab – The DSU/CSU responds to SNMP session requests.
Configuration Options Table C-6. General Management Configuration Options (2 of 4) NMS n Acs: Read Next Read R/W Prev NMS Manager n Access Type. Specifies the allowable type of access for an SNMP manager attempting to access the DSU/CSU’s MIB using community name 1.The manager number (n) is specified by the Num Sec Mgrs configuration option. Read – Allows read-only access (SNMP Get) to the accessible objects in the MIB for this device when community name 1 is used.
Configuration Options Table C-6. General Management Configuration Options (3 of 4) Access 1: Read Next Read R/W Prev Access 1. Specifies the type of access allowed for Community Name 1. This is the type of access allowed for external SNMP managers accessing objects in the MIB using Community Name 1. Read – Allows read-only access (SNMP Get) to the accessible objects in the MIB for this device when community name 1 is used.
Configuration Options Table C-6. General Management Configuration Options (4 of 4) Com NetMask: Next Edit Clear Prev Subnet Mask for the Communication Port. Specifies the subnet mask for the communication port if the Com Use configuration option is set to Mgmt. Edit – Allows you to edit and/or display the subnet mask for the communication port. Clear – Allows you to clear the subnet mask for the communication port. The subnet mask is set to 000.000.000.000. If the subnet mask is 000.000.000.
Configuration Options Table C-7. Management Trap Configuration Options (1 of 2) Num Trap Mgrs: 1 Next 1 2 3 4 5 6 Prev Number of Trap Managers. Specifies the number of SNMP trap managers that are to receive traps for this unit. NOTE: You must configure an IP address for each trap manager that is to receive trap messages. Trapn IP Adr: Next Edit Clear Prev Trap n IP Address. Specifies the IP address for each trap manager.
Configuration Options Table C-7. Management Trap Configuration Options (2 of 2) Entp Trap: Enab Next Enab Disab Prev Enterprise Specific Traps. Specifies whether enterpriseSpecific traps are enabled. Enab – Sends trap messages for enterpriseSpecific events to the currently configured trap manager(s). Disab – Disables the sending of trap messages for enterpriseSpecific events.
Pin Assignments D Overview The DSU/CSU is shipped with a power module and a VF cable. Various other interconnecting cables are available. For cable feature numbers, refer to Appendix I, Equipment List. This appendix describes connector pin assignments and cables. T1 Network Interface The T1 network interface connector is an RJ48C, 8-position, unkeyed modular jack (Table D-1).
Pin Assignments Figure D-1. T1 Line Interface Cable, RJ48C-to-RJ48C Figure D-2.
Pin Assignments EIA-530-A Port Interface Connector The EIA-530-A Port interface connector information is shown in Table D-2. Table D-2.
Pin Assignments EIA-530-A-to-RS449 Cable Interface The EIA-530-A-to-RS449 adapter cable (Figure D-3) provides the RS449 interface shown in Table D-3. 530 DB25 SIGNAL PLUG DB37 449 SOCKET SIGNAL SHIELD 1 1 SHIELD TD-A TD-B 2 14 4 22 TD-A TD-B RD-A RD-B 3 16 6 24 RD-A RD-B TXC-A TXC-B RXC-A RXC-B RTS-A 15 12 17 9 4 5 23 8 26 7 TXC-A TXC-B RXC-A RXC-B RTS-A RTS-B CTS-A 19 5 25 9 RTS-B CTS-A CTS-B DTR RLSD-A RLSD-B DSR 13 20 8 10 6 27 12 13 31 11 CTS-B DTR-A RR-A RR-B DM-A SIG.
Pin Assignments Table D-3.
Pin Assignments EIA-530-A-to-V.35 Cable Interface The EIA-530-A-to-V.35 adapter cable (Figure D-4) provides the V.35 interface shown in Table D-4. 530 DB25 SIGNAL PLUG MS34 SOCKET V.35 SIGNAL SHIELD TD-A 1 2 A P TD-B RD-A RD-B TXC-A TXC-B 14 3 16 15 12 S R T Y AA TD-B RD-A RD-B TXC-A TXC-B RXC-A RXC-B RTS 17 9 4 V X C RXC-A RXC-B RTS CTS RLSD DSR SIG. COMMON 5 8 6 7 D F E B CTS RLSD DSR SIG.
Pin Assignments Table D-4. V.
Pin Assignments EIA-530-A-to-X.21 Cable Interface The EIA-530-A-to-X.21 adapter cable (Figure D-5) provides the X.21 interface shown in Table D-5. 530 DB25 SIGNAL PLUG DB15 SOCKET X.21 SIGNAL TD-A TD-B 2 14 2 9 TD-A TD-B RD-A RD-B RXC-A RXC-B RTS-A 3 16 17 9 4 4 11 6 13 3 RD-A RD-B RXC-A RXC-B RTS-A RTS-B RLSD-A RLSD-B 19 8 10 10 5 12 RTS-B RLSD-A RLSD-B SIG. COMMON TT-A TT-B 7 24 11 8 7 14 SIG. COMMON TT-A TT-B 495-14787 Figure D-5. EIA-530-A-to-X.21 Cable Table D-5. X.
Pin Assignments COM Port Interface The COM port connects to a PC for front panel emulation, to an ASCII terminal or printer for alarms, to an asynchronous terminal, to a network device (e.g., a router) for SNMP or Telnet applications, or to a LAN Adapter for SNMP or Telnet applications. (The SNMP LAN Adapter includes the cable that is needed to attach it to the DSU/CSU.) The COM port connector is an 8-position unkeyed modular connector (Table D-6).
Pin Assignments Figure D-6. COM Port-to-PC Cable Figure D-7.
Pin Assignments COM Port to Modem Cable Use a serial crossover cable when connecting the COM port to a modem or other external device. The following shows the pin assignments from the COM port to the external device. COM Port Non-Keyed 8-Position Modular Plug No Tx Clock 1 Connection Rx Data 2 Modem DB25 Plug 2 Tx Data Signal Ground 3 7 Signal Ground Tx Data 4 3 Rx Data DTR 5 6 DSR CD 6 4 RTS RTS 7 Rx Clock 8 20 DTR No Connection 5 CTS 97-15669 Figure D-8.
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SNMP MIB Objects E Overview This appendix describes the Management Information Base (MIB) objects that are supported by the DSU/CSU and provides a correlation between front panel commands and MIB objects (Table E-1). The DSU/CSU supports the following MIBs: 3166-A2-GB20-10 MIB II – Defines the general objects for use in Transmission Control Protocol/Internet Protocol (TCP/IP) internets and provides general information about the DSU/CSU.
SNMP MIB Objects MIB II (RFC 1213) The objects defined by MIB II are organized into 10 different groups. The DSU/CSU implements only those groups where the semantics of the group are applicable to the implementation of a DSU/CSU. The MIB II object groups supported or not supported by the 3100 Series devices are as follows: System Group Supported. Interface Group Supported for the network interface, the synchronous data port, and the COM port.
SNMP MIB Objects System Group – “sysObjectID” Object (system 2) This object provides the authoritative identification of the network management subsystem contained in the unit. This object displays the following object identifier: 3166 [Company OID].1.14.2.2.8 System group –”sysContact” Object (system 4) This object provides a textual identification of the contact person for this managed node.
SNMP MIB Objects Interface Group – “ifIndex” Object (ifEntry 1) This object provides the index into the ifTable and typically into tables in other MIBs also. The values of the ifIndex object do not vary between models even though not all indexes are supported for a particular model. When an unsupported index is accessed, “noSuchName” is returned.
SNMP MIB Objects Interface Group – “ifSpeed” Object (ifEntry 5) This object provides the interface’s current bandwidth in bits per second. The value of this object for each interface is specified as follows: T1 Interfaces: 1,544,000 bps. COM: The currently configured data rate for the port. Data Port: The currently configured data rate for the port when the port is allocated to one of the T1 interfaces. If the port is not allocated the data rate is defined as zero.
SNMP MIB Objects Interface Group – Input Counters (objects ifEntry 10 to ifEntry 15) These objects collect statistics on the data received by the COM port when it is configured as an SNMP management link. For an interface that is not configured as an SNMP management link, these statistics are not provided and an error status is returned if access is attempted.
SNMP MIB Objects IP Group – “ipForwarding” Object (ip 1) This object specifies whether the unit is acting as an IP gateway in respect to the forwarding of a datagram received by, but not addressed to, this unit. Only the following value is supported by the DSU/CSU. forwarding(1) – The unit is acting as a gateway. IP Group – “ipAddrTable” Object (ip 20) The address table is supported by the DSU/CSU.
SNMP MIB Objects The following objects are defaulted if not specified in the set PDU used to add a route. ipRouteMetric1 – Defaulted to 1 hop. ipRouteMetric2 – Defaulted to current slot for carrier devices and –1 for standalone devices. ipRouteType – Defaulted to indirect. ipRouteMask – Defaulted as specified in the MIB description. The following objects are unused in the DSU/CSU and setting them will have no effect on the operation of the IP implementation.
SNMP MIB Objects IP Group – “ipRouteMetric2” Object (ipRouteEntry 4) The following values are displayed for the ipRouteMetric2 object. For a carrier device designated as the IP Bus Master, ipRouteMetric2 is used to designate the slot number of the next hop associated with this route if the destination is not connected to the device.
SNMP MIB Objects Transmission Group, MIB II Objects in the transmission group are supported on the network interface, the COM port, and the synchronous data port. The objects in the transmission group are not defined within MIB II, but rather through other Internet standard MIB definitions. The following two transmission group objects are supported by the DSU/CSU. ds1 (transmission 18) – The transmission object supported on the T1 interfaces.
SNMP MIB Objects Near End Group, DS1/E1 MIB The DS1 Near End Group consists of the following four tables: DS1 Configuration DS1 Current DS1 Interval DS1 Total Near End Group – “dsx1LineType” Object (dsx1ConfigEntry 5) This object corresponds to the NET Framing/DTE Framing configuration options for the T1 interface on the DSU/CSU. Only the following values are supported by the DSU/CSU. dsx1ESF(2) – Indicates ESF framing. dsx1D4(2) – Indicates D4 framing.
SNMP MIB Objects Near End Group – “dsx1LoopbackConfig” Object (dsx1ConfigEntry 9) This object specifies the loopback state of the T1 interface. Only the following values are supported by the DSU/CSU. dsx1NoLoop(1) – The T1 interface is not in a loopback state. dsx1PayloadLoop(2) – Specifies that a Payload Loopback (PLB) is active for the network interface or a Repeater Loopback (RLB) is active for the DTE Drop/Insert (DSX-1) interface.
SNMP MIB Objects Near End Group – “dsx1TransmitClockSource” Object (dsx1ConfigEntry 12) This object specifies the timing source for the transmit clock for this T1 interface. This object differs from the MIB definition in that it is “read-only” (not read/write) for DSU/CSUs. Only the following values are supported by the DSU/CSU. loopTiming(1) – The recovered receive clock is being used as the transmit clock. localTiming(2) – The DSU/CSU’s internal clock is used being as the transmit clock.
SNMP MIB Objects Near End Group – The DS1 Interval Table Objects (dsx1IntervalEntry) The following DS1 interval table objects are provided for the network interface only. Objects in the table that are not listed are not supported and will return an error status if access is attempted. dsx1IntervalIndex – The index that identifies the T1 interface. dsx1IntervalNumber – The interval number (1 to 96). dsx1IntervalESs – Errored Seconds for the interval.
SNMP MIB Objects DS1 Fractional Group, DS1/E1 MIB The DS1 Fractional Group consists of the DS1 fractional table. This table (dsx1FracTable) is fully supported by the DSU/CSU and allows channel (time slots) to be mapped between the T1 interface and data port. RS-232-like MIB (RFC 1317) The “rs232” object defined by RFC 1317 is supported for the synchronous data port.
SNMP MIB Objects General Port Table – “rs232PortType” Object (rs232PortEntry 2) This object is used to identify the port’s hardware type. Only the following values are supported by the DSU/CSU. rs422(3) – Used to identify a synchronous data port that is configured as EIA-530A or RS-449. V35(5) – Used to identify a synchronous data port that is configured as V.35.
SNMP MIB Objects Asynchronous Port Table, “rs232AsyncPortStopBits” (rs232AsyncPortEntry 3) This object specifies the number of stop bits supported. Only the following values are supported by the DSU/CSU. one(1) – One stop bit. two(2) – Two stop bits. one-and-half(3) – One and a half stop bits. Asynchronous Port Table, “rs232AsyncPortParity” (rs232AsyncPortEntry 4) This object specifies the parity used by the port. Only the following values are supported by the DSU/CSU.
SNMP MIB Objects Input Signal Table, RS-232-like MIB This table contains entries for the input signals that can be detected by the unit for each of the synchronous data ports. Input Signal Table – “rs232InSigName” (rs232InSigEntry 2) This object contains the identification of a hardware input signal. Only the following values are supported by the DSU/CSU. rts(1) – Request-To-Send. dtr(4) – Data Terminal Ready.
SNMP MIB Objects Generic-Interface MIB Extensions (RFC 1229) This generic-interface MIB is an experimental MIB that provides extensions to the generic interface group defined in MIB II. This MIB describes three tables: Generic Interface Extension Table Generic Interface Test Table Generic Receive Address Table Only the generic interface test table is supported by the DSU/CSU. This table is supported for the network interface only.
SNMP MIB Objects testSendV54Up – Sends a V54 up code to the remote unit. Only supported for the data ports. testSendV54Down – Sends a V54 down code to the remote unit. Only supported for the data ports. testSendFT1Up – ends a FT1 up code to the remote unit. Only supported for the data ports. testSendFT1Down – Sends a FT1 down code to the remote unit. Only supported for the data ports.
SNMP MIB Objects Generic Interface Test Table – “ifExtnsTestCode” Object (ifExtnsTestEntry 6) This object contains a code that contains more specific information on the test result. This object is defined as an object identifier. Only the following values are supported by the DSU/CSU. none – No further information is available. Used for the send pattern/code and loopback tests.
SNMP MIB Objects Correlation between Menu Commands and SNMP Objects Table E-1 provides a correlation between how a function is performed or status is displayed on the front panel and how the same function is accomplished using access to the SNMP database. SNMP objects are displayed in bold type while values for SNMP objects are displayed in italics. Table E-1.
SNMP MIB Objects Table E-1.
SNMP MIB Objects Table E-1.
SNMP MIB Objects Table E-1.
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IP Networking Address Scenario F Overview This appendix describes a means of configuring 31xx Series devices in an Internet Protocol (IP) network to provide SNMP or Telnet connectivity. Since there are many possible network addressing schemes, this appendix describes an addressing scheme for typical customer network management system (NMS) scenarios. This appendix is not intended to be an IP addressing or routing tutorial, and a basic understanding of IP and 31xx Series devices is assumed.
IP Networking Address Scenario The choice of a host address within a given subnet is completely arbitrary. Choose any legal host address for a given subnet, without regard to the local or remote devices. Although the default route (to the NMS) is configurable for all devices, only devices that have a direct external connection to an NMS (via the COM or AUX ports) need a default route set. In the following examples, the default port (COM or AUX) is set in the device connected to the LAN Adapter.
IP Networking Address Scenario Scenario 2 The second scenario (Figure F-2) is a carrier communicating with standalone remotes. This scenario is similar to the previous one, treating the carrier devices as the daisy-chained devices. All devices are still on the same subnet, and the subnet mask is FF.FF.FF.00. A static route still must be set in the NMS host to subnet 135.18.2.0. ETHERNET CO MS PH ER E 361 135.18.40.1 0 135.18.2.17 CO MS PH ER E 361 NETWORK 0 LAN ADAPTER 135.18.2.
IP Networking Address Scenario Scenario 3 This third scenario (Figure F-3) shows a local carrier connected to remote carriers that have remote standalones. Each carrier must be on a separate subnet but, as in the previous scenario, the carrier-remote combination can share a common subnet. Once again, the subnet mask is FF.FF.FF.00 for all devices. A static route must be set up in the NMS host for each subnet: 135.18.4.0, 135.18.6.0, 135.18.20.0. 135.18.6.22 135.18.20.
IP Networking Address Scenario Scenario 4 An alternative addressing scheme, for the network is shown in Figure F-4. This example uses a subnet mask of FF.FF.00.00 for the COM port in the central-site carrier (only), with all of the remaining subnet masks set to FF.FF.FF.00. The advantage to this scheme is that only one route must be added to the NMS host (135.18.0.0). 135.19.6.22 135.19.20.23 T1 CO MS T1 CO PH ER E 361 0 MS PH ER E 361 0 T1 T1 CO MS CO PH ER E 361 MS PH ER 0 135.
IP Networking Address Scenario Scenario 5 Figure F-5 illustrates multiple COM ports on the same carrier connected to different NMSs. This might be used in service-provider applications, where some of the carrier’s circuit cards (and their remotes) are managed by one NMS and other cards are managed by a different NMS. In this example, each card and remote is on a separate subnet. Also, note that each LAN Adapter connection is on a different subnet. The subnet mask is FF.FF.FF.00.
Front Panel Emulation G Overview The 3166 DSU/CSU offers functionality through Front Panel Emulation software that is similar to that provided by the SDCP or the front panel of standalone 31xx DSU/CSUs. The 3166 DSU/CSU can either be locally or remotely attached to a 386 or higher PC that has at least 4 MB of RAM. A copy of the 31xx DSU/CSU front panel appears on the PC.
Front Panel Emulation Procedure To install Front Panel Emulation software: 1. Insert the diskette into the appropriate drive. 2. Select File→ Run from Program Manager menu (Windows 3.x) or Run... from the Start menu (Windows 95 or above) 3. Type A:INSTALL and click OK. 4. An Information screen appears. Choose Continue to continue the installation. 5. Type the letter of the destination drive, followed by a colon (default is C:), then the appropriate directory name (default is C:\FRONTPAN).
Front Panel Emulation Starting Front Panel Emulation If the DSU/CSU selected is not locally attached to the PC, you must first dial to the remote DSU/CSU before starting front panel emulation. The modem attached to the PC must support AT commands for the Front Panel Emulation software to successfully place the call. Procedure To start front panel emulation: 1. From the PC, open Program Manager from Windows. 2.
Front Panel Emulation 6. If you chose a Local destination, click on the Execute button. If you chose a Remote destination, enter the telephone number of the far-end DSU/CSU in the Phone Number field, then click on the Dial button. 7. The front panel of the selected DSU/CSU appears on the PC. NOTE: When using Front Panel Emulation, no LEDs are shown on the PC’s screen; you must use the Stat command procedure to get LED information (see Displaying LED Conditions in Chapter 3, Operation).
Asynchronous Terminal Interface Operation H Overview You can configure and manage the 3166 DSU/CSU from an asynchronous terminal that is configured for 9.6 kbps, 8 characters, no parity, and 1 stop bit. This appendix provides operational examples to help you become familiar with the use of the Asynchronous Terminal Interface (ATI) for DSU/CSU control.
Asynchronous Terminal Interface Operation Initiating an ATI Session Once the appropriate configuration option changes have been made and access is established, the Main Menu screen appears (unless a password is required). Figure H-1 shows the Main Menu screen. The DSU/CSU shows the 3000 Series carrier slot number under the Customer ID. The slot number field (e.g., Slot: 1) is changed to access specific DSU/CSUs in the carrier.
Asynchronous Terminal Interface Operation Menu Organization ATI menus differ from SDCP menus in that they typically do not use abbreviations and, in some cases, provide a more direct access to an option or function. Figure H-2 shows the organization of the ATI menu tree.
Asynchronous Terminal Interface Operation Using ATI Screens There are three types of ATI screens. Menu screens list selections available through the menu system. Input screens allow you to edit or change information on a screen using screen function keys (Table H-1) or keyboard keys (Table H-2). Display screens show the results from a data collection operation or they display device-specific information. The ATI supports character matching for entering values in fields.
Asynchronous Terminal Interface Operation Table H-2. Keyboard Keys Keyboard Key Usage Ctrl-a Moves the cursor between the Screen area and the Screen Function Keys area. Esc Returns to the previous screen. Tab Moves the cursor to the next field. Back (Shift) Tab or Ctrl-k Moves the cursor to the previous field. Backspace Moves the cursor one position to the left or to the last character of the previous field. Spacebar Selects the next valid value for the field.
Asynchronous Terminal Interface Operation Setting Customer Identification The customer identification is used to uniquely identify the DSU/CSU. Procedure To change the customer identification (Customer ID): 1. From the Main Menu screen, select Control. The Control screen appears. 2. From the Control screen, select Customer ID. The Customer ID screen appears (Figure H-3). 3. Use the Customer ID field to set the customer identification. The customer identification may be up to 8 characters long.
Asynchronous Terminal Interface Operation Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitored by the Display LEDs screen. This screen is most useful when the DSU/CSU is being accessed remotely. Procedure To display LED conditions: 1. From the Main Menu screen, select Status. The Status screen appears. 2. From the Status screen, select Display LEDs. The Display LEDs screen appears (Figure H-4). The screen shows a snapshot of the LEDs every 5 seconds.
Asynchronous Terminal Interface Operation Changing Configuration Options Use the Configuration branch of the main menu to display or change DSU/CSU configuration options. Refer to Changing Configuration Options in Chapter 3, Operation, and Appendix C, Configuration Options. If the access level is not Level 1, the message Access level is 2, Configuration is read-only is displayed on line 24. Displaying or Editing Configuration Options Procedure To display or edit configuration options: 1.
Asynchronous Terminal Interface Operation 2. From the Load Configuration From screen, select a configuration option set to load (Current, Customer 1, Customer 2, Default Factory 1, or Default Factory 2). You cannot edit the Default Factory configuration options, but you can display them. After selecting the set of configuration options to load, the Configuration Edit/Display screen appears (Figure H-6).
Asynchronous Terminal Interface Operation Saving Edit Changes Procedure To save edit changes: 1. From the last edit screen, select Save. The Save Configuration To screen appears (Figure H-7). 2. From the Save Configuration To screen, select a configuration option set (Current, Customer 1, or Customer 2). Save edit changes to the Current area when you want those changes to take effect immediately.
Asynchronous Terminal Interface Operation Establishing Access Security on a Port Although the password feature is available, it is not required. If used, it ensures access security before control is passed to a device connected to a port. The following procedure is an example only. It shows how to enable the password for the communication port. Passwords can also be enabled for the internal modem and for Telnet sessions. Procedure To establish access security on the communication port: 1.
Asynchronous Terminal Interface Operation Setting a Password In addition to establishing access security on a port (refer to the previous section, Establishing Access Security on a Port), the password itself is set. Unless you specify otherwise, the password is null. Procedure To set a password: 1. From the Main Menu screen, select Control. The Control screen appears. 2. From the Control screen, select Administer Password. The Password Entry screen appears (Figure H-9).
Asynchronous Terminal Interface Operation Entering a Password to Gain Access When access security is required, the Login screen (Figure H-10) appears before you can access the Main Menu screen. The password must be entered. If the password is valid, the DSU/CSU’s top-level menu appears. If the password is invalid, an invalid password message appears and the screen reappears and waits for password entry.
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Equipment List I 3166-A2-GB20-10 Equipment Feature Number Model 3166 DSU/CSU 3166-B3-010 Front Panel Emulation Software 3100-C1-010 T1 Line Interface Cable, RJ48C-to-RJ48C (20 ft) 3100-F1-500 T1 Line Interface Cable, RJ48C-to-DA15P (Canada) (15 m) 3100-F1-510 COM Port-to-Terminal/Printer Cable, 8-pin modular to DB25P (14 ft) 3100-F1-540 COM Port-to-PC Cable, 8-pin modular to DB9S (14 ft) 3100-F1-550 EIA-530-A-to-V.35 Adapter 3100-F1-570 EIA-530-A-to-X.
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Glossary 1in8 Test A test pattern consisting of a one (1) followed by seven zeros (on the network only). 3000 Series Carrier A rack-mounted device containing 17 slots in which to place circuit cards. ACAMI allocation method Alternate Channel Alternate Mark Inversion. A method of allocating DS0 channels as a group, so that every alternate DS0 channel does not carry data, but instead transmits and receives all ones. ACCULINK A product family and a registered trademark of Paradyne.
Glossary Auxiliary Backplane An 8-slot backplane that fit over one half of the open section of the 3000 Series Carrier. This is a passive assembly that provides interconnection capability between 3151 CSUs and 3161 DSU/CSUs and provides all interface connectors. AWG American Wire Gauge. An indication of wire size. The heavier the gauge, the lower the AWG number, and the lower the impedance. B8ZS Bipolar 8 Zero Substitution. Encoding scheme for transmitting clear channel signals over a T1 line.
Glossary COM port Communications port. A computer’s serial communications port used to transmit to and receive data from a modem. The modem connects directly to this port. community name An identification used by an SNMP manager to grant an SNMP server access rights to a MIB. COMSPHERE A proprietary product family name and a registered trademark of Paradyne. configuration The arrangement of a system or network as defined by the characteristics of its functional units.
Glossary diskette A thin, flexible magnetic disk enclosed in a protective jacket. DL branch Download branch of the DSU/CSU menu tree. download A process that transfers device firmware and software from a locally-attached PC to a device, or allows the duplication of firmware and software from a local device to a remote device. downstream device A device that is connected farther from the host computer. DSR Data Set Ready.
Glossary EON End of Number. error A discrepancy between a measured or computed value or condition and the true or specified value or condition. ES Errored Seconds. A second with one or more ESF error events (one or more CRC6 error events or OOFs). ESD ElectroStatic Discharge. An undesirable discharge of static electricity that can damage equipment and degrade electrical circuitry. ESF Extended SuperFrame.
Glossary IP address Internet Protocol address. The address assigned to an internet host. ISO International Standards Organization. ITU International Telecommunications Union. The telecommunications agency of the United Nations, established to provide standardized communications procedures and practices. Before March 1993 it was called CCITT. kbps Kilobits per second. One kilobit is usually taken to be 1,024 bits. LAN Local Area Network.
Glossary module A compact assembly functioning as a component in a larger system or unit. MRU Maximum Request Unit. network A configuration of data processing devices used for information exchange. network interface The T1 network interface connector on the rear panel of the DSU/CSU. NMS Network Management System. A computer system used for monitoring and controlling network devices. node A connection or switching point on the network.
Glossary pulse density A measure of the number of ones (marks, pulses) in relation to the total number of bits transmitted. QRSS Quasi-Random Signal Source. A test pattern simulating a random pattern of digital ones and zeros used to simulate normal transmission. RAM Random-Access Memory. Read/write memory that is volatile and loses its contents when power is removed. register A part of the device’s memory that holds stored values. Rel branch Release branch of the DSU/CSU menu tree.
Glossary SLIP Serial Line Internet Protocol. Protocol for serial operation on an internet. SNMP Simple Network Management Protocol. Protocol for open networking management. Stat branch Status branch of the DSU/CSU menu tree. StEvnt Status Event Register. Records the occurrence of certain alarm conditions. subnet A portion of a network, which may be a physically independent network segment, that shares a network address with other portions of the network and is distinguished by a subnet number.
Glossary Vdc Volts direct current. VF Voice Frequency. The part of the audio frequency range used to transmit voice sound (usually 300 Hz to 3400 Hz). This band is used by the modem for its modulated signal. WAN Wide Area Network. A network that spans a large geographic area. warmStart trap An SNMP trap that indicates that the device has reinitialized itself. XTXC External Transmit Clock. V.24 circuit 113.
Index A C abort lamp test, 4-31 loopback, 4-25 test patterns, 4-28 ACAMI method of channel allocation, 3-31 Access, Community Name, C-21 Activ (Active) configuration area, functional description, 3-11 addressing.
Index configuration options procedure for changing, 3-11 tables Alarm, C-16 General, C-9 Network Interface, C-7 Port, C-2 SNMP, C-19 User Interface, C-10 connectors, rear panel functional description, 1-3 pin assignments, D-1 CPU failure message, 4-2 crossover cable, D-11 CSS (Controlled Slip Seconds) report, 4-8 Ctrl (Control) branch, examples of use, 3-9, 3-36, 3-39, 3-40, 4-10 Cust1 (Customer 1) configuration area, functional description, 3-11 Cust2 (Customer 2) configuration area, functional descriptio
Index G Gen (General) Configuration branch example of use, 3-34 option table, C-9 I ID (Identity) branch, example of use, 3-7 indicators, 3-4 Invert Data, C-4 Invert Tx Clock, C-4 IP (Internet Protocol) addressing configuration option, C-21 example of use, F-1– F-6 procedure for configuring, 3-21, 3-28 K keypad, operation, 3-2 L lamp test, 4-30 LAN Adapter, F-1 LED Status branch, example of use, 3-10 LEDs, front panel functional description, 3-4 lamp test, 4-30 Line Build Out, C-7 line loopback (LLB), 4
Index Port Configuration branch, option table, C-2 Port LB, C-3 Port Type, C-2 power input, troubleshooting, 4-14 power-up self-test, LED behavior, 2-6 power-up self-test displaying results, 4-1 front panel indications, 3-4 troubleshooting, 4-14 problem determination, 4-14 protocol, link layer, 3-19, 3-23 Ptrns (Test Patterns) branch, example of use, 4-26 network interface configuration options, C-7 failure message, 4-2 front panel LED indications, 3-5 functional description, 1-3 pin assignments, D-1 trou
Index Shared Diagnostic Control Panel (SDCP), acquiring/releasing the user interface, 3-38 SNMP (Simple Network Management Protocol) agent, 1-2 configuration options examples of use, 3-19, 3-26 option table, C-19 connection examples, F-1– F-6 database, 1-2 IP addressing, F-1– F-6 manager, 1-2 MIBs functional description, E-1 list of objects, E-1 procedure for configuring access, 3-24 objects, 1-2 principles of operation, 1-2 SNMP Down message, 4-4, 4-15 traps functional description, 1-2, 4-12 procedure for
Index V Y V.35 interface, D-7 V.54 Loop 2. See data channel loopback (DCLB) V.54 Loop 3. See data terminal loopback (DTLB) Yellow Alarm, Rcv Yellow configuration option, C-3 Yellow Alarm condition ASCII terminal/printer message, 4-11 Device Health and Status message, 4-4 front panel LED indication, 3-5 Performance Report message, 4-9 troubleshooting, 4-14 W warmStart trap, 4-12 X X.
