ISU 2x64 Dual Port ISDN Service Unit User Manual Part Numbers 1200051L1 1200051L2 1200051L5 1200051L6 61200051L1-1D June 1998 U-Interface Version, 110 VAC S/T-Interface Version, 110 VAC S/T-Interface International, 110 VAC S/T-Interface International, 230 VAC
Trademarks: Ascend is a registered trademark of Ascend Communications, Inc. ISU is a trademark of ADTRAN, Incorporated. Macintosh is a registered trademark of Apple Computer, Inc. Teleos is a registered trademark of Teleos Communications, Inc. Windows is a registered trademark of Microsoft corporation. 5ESS is a registered trademark of AT&T. DMS-100 is a trademark of Northern Telecom. 901 Explorer Boulevard P.O. Box 140000 Huntsville, AL 35814-4000 Phone: (256) 963-8000 © 1998 ADTRAN, Inc.
FCC regulations require that the following information be provided in this manual: 1. This equipment complies with Part 68 of the FCC rules. On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number (REN) for this equipment. If requested, provide this information to the telephone company. 2. If this equipment causes harm to the telephone network, the telephone company may temporarily discontinue service.
FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT 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.
CANADIAN EMISSIONS REQUIREMENTS This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference-causing equipment standard entitled "Digital Apparatus," ICES-003 of the Department of Communications.
CANADIAN EQUIPMENT LIMITATIONS Notice: The Canadian Industry and Science Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, ensure that it is permissible to be connected to the facilities of the local telecommunications company.
Table of Contents Chapter 1. Understanding ISDN and the ISU 2x64 ...................................................... 1 ISDN Overview ..................................................................................................................... 1 The ADTRAN ISU 2x64........................................................................................................ 1 ISU 2x64 Interoperability .....................................................................................................
Table of Contents Software Version ............................................................................................................ 26 Loopback Both DTEs ..................................................................................................... 26 Test 2047 Both ................................................................................................................. 26 Chapter 6. Configuration ...................................................................................
Table of Contents DSR Options .......................................................................................................... Flow Control (asynchronous data format)........................................................ Data Format (asynchronous)............................................................................... Transmit Clock (synchronous data format) ...................................................... Autobaud ...................................................................
Table of Contents Chapter 9. Security and Remote Configuration ..........................................................73 Security ................................................................................................................................. 73 Set Password ................................................................................................................... 74 Lock Keypad .....................................................................................................
List of Figures Figure 1-1: Figure 1-2: Figure 1-3: Figure 3-1: Figure 4-1: Figure 4-2: Figure 4-3: Figure 5-1: Figure 5-2: Figure 5-3: Figure 6-1: Figure 6-2: Figure 6-3: Figure 6-4: Figure 6-5: Figure 6-6: Figure 6-7: Figure 6-8: Figure 6-9: Figure 6-10: Figure 6-11: Figure 6-12: Figure 6-13: Figure 6-14: Figure 6-15: Figure 6-16: Figure 6-17: Figure 6-18: Figure 6-19: 61200051L1-1D ISU 2x64 Rear Panel ..................................................................................
List of Figures Figure 6-20: Figure 6-21: Figure 6-22: Figure 6-23: Figure 7-1: Figure 7-2: Figure 8-1: Figure 9-1: Figure 9-2: Figure E-1: Figure E-2: Figure E-3: Figure E-4: Figure E-5: vi Transmit Clock Menu Tree..................................................................... 54 Protocol Menu Tree ................................................................................. 55 Protocol BONDING, Mode 1 Menu Tree ............................................. 57 PPP Menu Tree....................
List of Tables Table 1-A: Table 1-B: Table 6-A: Table 10-A: Table E-A: Table E-B: Table E-C: Table E-D: Table E-E: Table E-F: Table E-G: Table F-A: Table F-B: 61200051L1-1D DTE Indicators ....................................................................................... Recommended Operating Modes ....................................................... Rate Adaptation Protocols ................................................................... Troubleshooting Calls...................................
List of Tables viii ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Chapter 1 Understanding ISDN and the ISU 2x64 ISDN OVERVIEW The Integrated Services Digital Network (ISDN) is a public or private switched digital network. ISDN is an international standard for digital communications, allowing a full range of enhanced services supporting voice, data, and image applications through standard interfaces over a single pair of telephone wires.
Chapter 1.Understanding ISDN and the ISU 2x64 The ISU 2x64 features two RS-530/EIA-232 DTE interfaces and two RS-366 dial interfaces (see Figure 1-1). An RS-530/EIA-232to-V.35 adapter is available to support V.35 DTE interfaces. Synchronous data transfer rates from 2400 bps to 128 kbps and asynchronous rates from 1200 bps to 115.2 kbps are supported on a single DTE interface. Synchronous data transfer rates from 2400 bps to 64 kbps and asynchronous rates from 1200 bps to 57.
Chapter 1. Understanding ISDN and the ISU 2x64 The ISU 2x64 allows the user to migrate ISDN into existing network services and data communications equipment. The ISU 2x64 interoperates with ISU 128s, Switched 56 DSUs, various ISDN terminal adapters, and BONDING inverse multiplexers (for example ASCEND®, PROMPTUS, and Teleos®). For instance, in a video conferencing application, this compatibility allows the ISU 2x64 to interoperate with networks utilizing two Switched 56 DSUs.
Chapter 1.Understanding ISDN and the ISU 2x64 ISU 2X64 RS CS TD RD CD TR ENTER SR CANCEL 1 2 3 4 5 6 7 8 9 * 0 # Figure 1-2 ISU 2x64 Front Panel ISU 2X64 INTEROPERABILITY Telephone networks are evolving from analog technologies to digital technologies such as ISDN. This transition is time-consuming and costly for the telephone companies and upgrading all locations and facilities is a lengthy process.
RS CS TD RD LD TR 61200051L1-1D SR ISU ENTER RS CS CANCEL 8 0 7 # 9 6 3 * RD LD 5 4 TD 2 1 SR DSU TR ENTER CANCEL 6 5 8 0 # * 9 3 2 4 7 1 RS CS TD RD LD TR SR ISU ENTER CANCEL 6 5 8 0 # * 9 3 2 4 7 1 RS CS TD RD LD SR DSU TR ENTER CANCEL ISU 2x64 Dual Port ISDN Service Unit User Manual 0 8 5 2 9 6 3 * Figure 1-3 ISU 2x64 Interoperability # 7 4 1 Chapter 1.
Chapter 1.Understanding ISDN and the ISU 2x64 When the ISU 2x64 is used on an existing ISDN line that is not multipoint, with one SPID or no SPID numbers, additional considerations should be addressed. If DTE specific operation is desired, the ISDN line must be converted to multipoint operation (2 SPIDS). If not, the following applies: 1. 2. 3. 4. If a single SPID is assigned, it must be entered under SPID DTE#2. When no calls are active, the first incoming call is always directed to DTE#2.
Chapter 1. Understanding ISDN and the ISU 2x64 Table 1-B Recommended Operating Modes Call Type DIAL-64K DIAL-56K DIAL-64K*2 DIAL-56K*2 LEASED 64K LEASED 128K Protocol BONDING Sync/ Async Sync Rates Supported (bps) 56000 64000 Clear Chan Sync 48000 56000 PPP Sync 2400 4800 64000 9600 19200 38400 V.110 Sync 2400 4800 9600 19200 38400 V.
Chapter 1.Understanding ISDN and the ISU 2x64 8 1. All asynchronous rates support flow control. 2. All dial-up modes support front panel, DTR, RS-366, AT command, and V.25 dialing methods. 3. Rates marked with f require flow control. 4. Given a choice between two protocols, pick the protocol closer to the top of the list. 5. Rate marked with v is available on Port 2 only.
Chapter 2 ISDN Service ISDN ORDERING CODES ISDN is a complex service with many network options. Obtaining service from the local telephone company and long distance providers can be complicated. In North America, the development of ISDN ordering codes (IOCs) simplifies the process of ordering ISDN service.
Chapter 2.ISDN Service application, then Capability R (previously Generic Data I) may be more cost-effective.
Chapter 2. ISDN Service B1 (previously Generic Data B) • • • 1B service Data only One directory number Capability C (previously Generic Data C) • • • 1B service Alternating voice and data One directory number I2 (previously Generic Data I-1DN) • • • 2B service Data only One directory number I2 is not available for services provided by a Northern Telecom switch. Two directory numbers are required for 2B operation. In this case, use Capability R.
Chapter 2.ISDN Service J2 (previously Generic Data J) • • • 2B service 1B alternating voice/data, 1B data only Two directory numbers M5 (previously Generic Data M-1DN) • • • 2B Service 1B alternating voice/data, 1B data only One directory number M5 is not available for services provided by Northern Telecom or AT&T switches.
Chapter 3 Installation After unpacking the unit, immediately inspect it for possible shipping damage. If damage is discovered, file a claim immediately with the shipping carrier, then contact ADTRAN Technical Support. Each ISU 2x64 is provided with an eight-foot power cord terminated by a three-prong plug which connects to a grounded power receptacle. ADTRAN ISU 2x64 part numbers 1200051L1, 1200051L2, and 1200051L5 require a grounded 115 VAC, 60 Hz receptacle for power.
Chapter 3.Installation If using ISU 2x64, part number 1200051L2, 1200051L4, 1200051L5, or 1200051L6, connect an ISDN Basic Rate S/T interface to the RJ45 connector marked ISDN IFC. The S/T interface can be provided from an S/T line card of an ISDN switch or PBX, or from an NT1 network termination unit. If using a leased service, connect the network interface to the RJ45 connector marked ISDN IFC. See Connector Pinouts on page 119 for network connection pin assignments.
Chapter 3. Installation MAINTENANCE INTERFACE The Maintenance interface is available at 9600 bps, 8 data bits, no parity, no flow control, asynchronous format through the Maintenance port. See Connector Pinouts on page 119 for the pinout of the Maintenance port. A VT 100 terminal or null modem can be connected to the Maintenance port using an EIA-232 cable. This interface can be used to set internal S-registers, dial ISDN connections, and disconnect calls.
Chapter 3.Installation DIAL INTERFACE CONNECTION If out-of-band RS-366 dialing is required for applications such as videoconferencing or FAX machines, the dialing interfaces of the host DTE should be connected to the dial ports marked RS-366. Pin assignments for the RS-366 connector are listed in the appendix, Connector Pinouts.
Chapter 4 Operation MENU NAVIGATION Moving through the various menu selections on the ISU 2x64 is a simple task. Four function keys on the left-hand side of the keypad allow the user to enter, exit, and scroll through the various menu branches. The four function keys are defined below. To aid the reader, function keys are represented in bold, initial caps text. Selectable menu items and messages displayed on the LCD are represented in bold type as they appear on the LCD. Enter Enters the selected item.
Chapter 4.Operation switch type, SPIDs, LDNs, or Leased/dial line. Also, items such as bit rate, protocol, and call type take effect only at the beginning of a new call. Front Panel DTE Indicators The front panel DTE indicators (see Figure 4-1) reflect the status of each DTE port on the ISU 2x64. The indicators show the current state of the port being displayed from the Current Status menu.
Chapter 4. Operation VT 100 Menu Support When connected to an asynchronous VT 100 terminal or VT 100 terminal emulator, use the built-in ISU 2x64 menu system for configuration of both DTE ports. The VT 100 screens can be activated by typing AT!V while connected to either DTE port (in AT command mode), or by typing !V at the prompt while using the maintenance port. The maintenance port is an asynchronous port always set to 9600 bps, 8 data bits, one stop bit, no parity, and no flow control.
Chapter 4.Operation The menu tree allows for set up and operation of the ISU 2x64 from the front panel. The main branches of the menu tree follow: 1. 2. 3. 4. STATUS TEST CONFIG (ConÞguration) DIAL Status Buffer Selecting 1=STATUS from the top of the menu tree displays the contents of the status buffer. The Up and Down arrow keys allow the viewing of the last fifty status messages generated during the operation of the unit.
Chapter 4. Operation Status Screen To determine the current status of the unit, press Ctrl+V to access the Status Screen (see Figure 4-2). The Status Screen displays unit information such as the loop status, software revision, the result of the initial self test, and the status buffer messages. (An explanation of status buffer messages can be found in Status Buffer Messages on page 99.
Chapter 4.Operation Configuration Screen Once the unit is selected using the terminal interface, the display shows the Configuration Menu (see Figure 4-3). This screen shows the current configuration, line, and call status for the selected unit. See Configuration on page 27 for more information about configuring the ISU 2x64. Figure 4-3 VT 100 Configuration Screen To quickly and easily configure the ISU 2x64 for most applications, see Quick Setup on page 65.
Chapter 5 Testing TEST OPTIONS Selecting 2=TEST from the top of the menu tree (Figure 5-2) or Ctrl + T from any VT 100 screen displays available local testing options; this screen is shown in Figure 5-1.
Chapter 5.Testing 1=Loopback DTE 2=Loopback Netw. 1=STATUS 2=TEST 3=CONFIG 4=DIAL 3=Loopback Proto 4=Loopback Remot 1=No Rem Lpbks 2=DDS Accepted 3=V.54 Accepted 4=DDS+V54 Accept 5=Test Remote 6=Lpbk Disable 7=NEBE/FEBE 8=Software Ver 9=Lpbk Both DTEs 10=Test 2047 Both Figure 5-2 Test Menu Tree Loopback DTE This test causes the DTE port to loop back toward user equipment.
Chapter 5. Testing Loopback Remote This test causes the ISU 2x64 to issue a V.54 inband loopback command to a far-end unit. External test equipment must be used to generate/check test patterns. To use this feature, both units must be configured for Clear Channel operation and the farend unit must be able to respond to V.54 loopback commands. See Setting Protocol Options on page 55 to configure the unit for Clear Channel operation. Press Cancel to end the test.
Chapter 5.Testing The ISU 2x64 must be optioned for Clear Channel operation for DDS and V.54 loopbacks to take effect. NEBE/FEBE This test reports the quality of the network connection between the T-1 and the switch by viewing the number of near-end block errors (NEBE) and far-end block errors (FEBE) occurring on the ISDN interface. An incrementing count in NEBE means the problem is in the direction of the NT-1. An incrementing count in FEBE means the problem is in the direction of the switch.
Chapter 6 Configuration DIAL LINE OPERATION This section explains how to configure the ISU 2x64 when using ISDN Basic Rate switched service. Figure 6-3 illustrates the entire menu tree. The following are step-by-step procedures for configuring the unit for dial line operation, switch protocol, call type, terminal ID, dial options, auto answer, answer tone, connect timeout, call screening, and SBus termination. To dial calls over the ISDN, the unit must be configured for Dial Line.
Chapter 6. Configuration Figure 6-2 VT 100 Configuration Menu Screen Setting the Switch Protocol Find out what kind of ISDN switch the local CO is using by asking the telephone administrator or telephone company representative. Configure the ISU 2x64 for either Northern Telecom DMS100, AT&T 5ESS¨, or a switch conforming to the National ISDN-1 standard (usually an AT&T 5ESS, NT DMS-100¨, or Siemens EWSD).
Chapter 6. Configuration STATUS 1=Switch Protocl ‘Buffer Display’
Chapter 6.
Chapter 6. Configuration Setting the Call Type Call type is configured for both DTE#1 and DTE#2. When using the front panel, select the appropriate DTE with either arrow key and press Enter. When using a VT 100 terminal, select the option number corresponding to the appropriate DTE and press Return. The Call type can be configured four different ways, depending on the type of service used: Speech , Audio, Data 56 kbps, or Data 64 kbps.
Chapter 6. Configuration Smart Dial Strings In some cases during a dial session it may be desired to change the call type temporarily. At the end of a dialed phone number, a #1,2,3, or 4 can be used to change the call type. A #1 changes it to speech, #2 to Audio, #3 to 56K, and #4 to 64K. Setting the Terminal ID Terminal identification is assigned by the local telephone company and consists of a SPID and LDN number.
Chapter 6. Configuration Setting the LDN This option allows the entry of 0, 1, or 2 LDNs. The LDN is used when receiving BONDING calls or receiving separate calls for each DTE connection. The LDN is the seven-digit local phone number assigned to the line. When entering an LDN using the front panel, use the Up and Down arrow keys to select between LDN DTE#1 and LDN DTE#2. Press Enter to select the DTE. Use the keypad to enter the LDN. The Up and Down arrow keys edit the number if necessary.
Chapter 6. Configuration Feature buttons are buttons that are normally available on ISDN telephone sets. The ISU 2x64 simulates pressing a feature button when the Busy Out Port option is changed. When the Busy Out Port option is changed, the ISU 2x64 sends a Feature Activation message to the switch using the feature button number stored in S-register 23. If S-register 23 is not programmed with the correct button number for the Make Busy feature, the switch will not change the busy status of the ISU 2x64.
Chapter 6. Configuration RS-366 parallel dialing port, configure the unit for RS-366 dialing. (See Figure 6-4.) This enables the RS-366 port on the rear of the unit. Whenever this dialing mode is enabled, data terminal ready (DTR) must be active before a call is placed. The call may be disconnected by dropping DTR, or from the front panel by selecting the # (pound) key to go directly to the Dial menu and selecting 1=Hang up line, then Enter.
Chapter 6. Configuration 20 sec or EON: The ISU 2x64 assumes the dial string is fully entered if more than 20 seconds elapse since the last digit was keyed, or the unit receives the EON command. Wait for EON: The ISU 2x64 assumes the dial string is fully entered only if the unit receives the EON command. AT Commands Configuring the ISU 2x64 for AT commands enables inband dialing over a DTE interface using asynchronous AT commands.
Chapter 6. Configuration be terminated at any time by transmitting the CTRL+X (ASCII 018) after the AT attention code. The ISU 2x64 ignores this command line and issues an OK response. The command line may contain a single command or a series of commands after the AT attention code. When a series of commands are used, the individual commands may be separated with spaces for readability. The maximum length for a command line is 40 characters.
Chapter 6. Configuration Reading an S-register String Type ATSS followed by the number of the string S-register to be read followed by a question mark and press Enter. Example: ATSS80? To Change an S-register Type ATS followed by the number of the S-register to be changed, an equal sign, the numeric value to be assigned to the register, then press Enter.
Chapter 6. Configuration V.25 Configuring the ISU 2x64 for V.25 bis (see Figure 6-5) enables inband dialing over a DTE interface using asynchronous or synchronous V.25 bis commands. V.25 bis can be used to establish and end a call. Disconnecting calls can also be done from the front panel (as described previously), from a VT 100 terminal, or from the far-end unit. V.
Chapter 6. Configuration The ISU supports the following V.25 bis commands to control automatic calling and answering: CRN . . . . . . . . . . . . . . . . . . . . Call Request (number in command) CRS . . . . . . . . . . . . . . . . . . . . . Call Request (using stored number) PRN . . . . . . . . . . . . . . . . . . . . Program Stored Number RLN . . . . . . . . . . . . . . . . . . . . List Stored Number CIC . . . . . . . . . . . . . . . . . . . . . Connect Incoming Call DIC . . . . . . . . . . . . . . . . .
Chapter 6. Configuration 1=Bit Rate 2=Connector Type 3=RTS Options 1=Netw. options 3=CONFIG 2=DTE options 1=Asynchronous 2=Synchronous 3=Protocol 4=CTS Options 5=CD Options 6=DTR Options 4=Quick setup 7=DSR Options 5=Security 8=Flow Control 1=Data Bits 1=8 Data bits 6=Remote Config 9=Data Format 2=Parity Bits 2=7 Data bits 3=Stop Bits Figure 6-7 Data Bits Menu Tree The setting in Figure 6-8 allows for V.25 bis messages in asynchronous (start/stop) data format.
Chapter 6. Configuration The first byte of each packet contains all ones (A = FF HEX), and the second byte of each packet (the C byte) is either 13 HEX or 03 HEX if not the final packet. V.25 SYNC BISYNC Dialing To set the Dial Options for V.25 BISYNC, choose 3=V.25 BISYNC from the front panel or the VT 100 terminal (see Figure 6-8 for menu tree). This setting allows for V.25 bis messages in byte synchronous format (BISYNC). V.25 bis specifies that the characters should be ASCII, 7 bits, and odd parity.
Chapter 6. Configuration Hang up line command or answered using the Answer Call command. (These commands are found under the Dial branch of the menu tree. See Front Panel Dialing Options on page 63.) Enabled When Enabled is selected, the incoming call is answered. If that call is a BONDING call and requires two B channels, the second call is answered. The port assigned to that second SPID-LDN pair is disabled during the duration of the BONDING call.
Chapter 6. Configuration 1=Switch protocl 2=Call type 1=Netw. options 3=CONFIG 1=Dial Line 3=Terminal ID 2=Leased Line 4=Busy Out 2=DTE options 5=Dial options 1=No Answer tone 3=Protocol 6=Auto answer 2=Incoming tone 4=Quick setup 7=Answer tone 3=Outgoing tone 5=Security 8=Connect Timout 4=Always tone 6=Remote Config 9=Call Screening 10=SBus Terminati Figure 6-9 Answer Tone Menu Tree No Answer tone (Default) This option disables the Answer tone on all calls.
Chapter 6. Configuration Setting Connect Timout Connect Timout sets the length of time that the ISU 2x64 waits for a far-end unit to answer an outgoing call. These choices are illustrated in Figure 6-10. 1=Switch protocl 1=Dial Line 1=Netw.
Chapter 6. Configuration When Call Screening is set to Ansr if SN0. . .9, an incoming call is not answered if the Call ID received from the switch does not match a stored number. Depending on the switch type, the Call ID may be presented in either a seven- or ten-digit format. The ISU 2x64 displays the Call ID for all dumped calls in the Status Buffer. See Status Buffer on page 20 for more information.
Chapter 6. Configuration Select 100 ohm On to turn on the 100 ohm termination resistance across the S/T transmit and receive pairs. Select 100 ohm Off to turn off the 100 ohm termination resistance across the S/T transmit and receive pairs. The SBus Termination resistors are not present on ISU 2x64 units equipped with the integrated NT1 (part numbers 1200051L1 and 1200051L3). Setting the SBus Termination resistance to on or off on these units has no effect on their operation and can be ignored.
Chapter 6. Configuration modem application, where two ISU 2x64 units are directly connected without the use of channel banks (see Figure 6-14). The far-end unit should be configured for Slave and derives its clocking from the ISU 2x64 configured as Master.
Chapter 6. Configuration connected through one of the bearer channels and could utilize up to 64 kbps of bandwidth. Likewise, DTE#2 of the master and DTE#2 of the slave would be connected through the other bearer channel and could also utilize up to 64 kbps of bandwidth (see Figure 6-15). When the channel rate is set for 128 kbps in both units, both bearer channels are assigned to one DTE port. This assignment is user-configured.
Chapter 6. Configuration DTE Options for Asynchronous and Synchronous Operation The DTE options are configured separately for both DTE#1 and DTE#2. When using the front panel, select the appropriate DTE with either arrow key and press Enter. (See Figure 6-16 and 6-17.) When using the VT 100 terminal select the option number corresponding to the appropriate DTE and press Return. Ensure the DTE equipment is set for asynchronous operation before attempting to make an asynchronous call.
Chapter 6. Configuration Bit Rate The Bit Rate can be set asynchronously for 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, and 115200 bps. The Bit Rate can be set synchronously for 2400, 4800, 9600, 19200, 38400, 48000, 56000, 64000, 112000, and 128000 bps. Connector Type The ISU 2x64 can provide either an EIA-232, RS-530, or V.35 interface to a user DTE by selecting the desired connector type. The V.35 interface requires the RS-530/232-to-V.35 adapter, part number 1200072L1.
Chapter 6. Configuration DTR Options Ignore DTR causes the ISU 2x64 to disregard the state of the data terminal ready (DTR) pin. Cmd when Off forces the unit into the AT command processor mode when DTR is not asserted. To return online, DTR must be asserted, followed by the AT0 command. Idle when Off forces the unit to end the current call when DTR is no longer asserted. Off>On dial #0 allows one call attempt to be automatically established when the DTR signal goes from inactive to active.
Chapter 6. Configuration 1=Bit Rate 2=Connector Type 3=RTS Options 1=Netw. options 2=DTE options 3=CONFIG 1=Asynchronous 2=Synchronous 3=Protocol 4=CTS Options 5=CD Options 6=DTR Options 4=Quick setup 7=DSR Options 1=Hardware Flow 5=Security 8=Flow Control 2=Software Flow 6=Remote Config 9=Data Format 3=No Flow Ctrl Figure 6-18 Flow Control Menu Tree Data Format (asynchronous) A frame consists of a start bit, 7 or 8 Data bits, 0 or 1 Parity bit, and 1 to 2 Stop bits.
Chapter 6. Configuration This signal is echoed by the ISU 2x64 to the transmit clock signal on the DTE connector. See Figure 6-20 for the menu tree. 1=Bit Rate 2=Connector Type 3=RTS Options 1=Netw.
Chapter 6. Configuration Setting Protocol Options The ISU 2x64 communicates with many different types of telecommunication equipment including other ISU 2x64s, ISDN terminal adapters, Switched 56 DSUs, and BONDING-compatible inverse multiplexers. Communicating between such diverse types of equipment requires various rate adaptation protocols to support various bit rates and DTE settings. See Figure 6-21 for the menu tree.
Chapter 6. Configuration Clear Channel Clear channel provides the entire bearer channel to the DTE without regard to data format or protocol. This provides a rate adaptation at or near the ISDN circuit rate. The primary usage for Clear Channel in dial line mode is 56 kbps and 64 kbps synchronous. It is useful when the DTE performs its own internal synchronous protocol/rate adaptation or the ISU 2x64 is calling a 4wire Switched 56 DSU.
Chapter 6. Configuration 1=TXINIT 3=CONFIG 1=Clear Channel 2=TXFA 1=Netw. options 2=BONDING mode 1 3=TXADD01 2=DTE options 3=V.120 4=TXDEQ 3=Protocol 4=V.110 5=TANULL 4=Quick setup 5=DSU 57.6 ASYNC 6=TCID 5=Security 6=T-LINK 7= Async. Rev.
Chapter 6. Configuration TXDEQ This option specifies the length of time both endpoints attempt to equalize the network delay between the bearer channels before determining the BONDING call has failed. Values of 1, 2, 5, 10, 20, 50 (default), 100, and 200 seconds may be selected. TANULL This option specifies the length of time the answering endpoint attempts to detect the BONDING negotiation pattern from the originating endpoint before aborting to clear channel mode.
Chapter 6. Configuration V.110 The V.110 protocol is a CCITT compliant rate adaptation method providing DTE service between the ISU 2x64 Dual Port ISDN Service Unit and other V.110 compliant devices. The V.110 protocol supports both synchronous and asynchronous DTE rates. See the section Recommended Operating Modes and Table 1-B for available V.110 rates. Figure 6-21 illustrates the menu path for selecting V.110. DSU 57.6 ASYNC The DSU 57.
Chapter 6. Configuration The primary usage for SAP is general purpose asynchronous rate adaptation in a dial-up or leased environment. SAP only operates on a 64 kbps data link. Figure 6-21 illustrates the menu path for selecting SAP. FALLBACK The FALLBACK asynchronous rate adaptation protocol provides the capability to automatically establish calls with other ISDN terminal adapters and Switched 56 DSUs, as well as other ISUs using a single configuration.
Chapter 6. Configuration When originating calls to unknown units, the ISU begins its protocol selection based on its local Call Type. (Data 64k is used for FALLBACK when selected from the Quick Setup menu.) Upon connection at 64k Call Type, BONDING, V.120, and PPP are attempted. If connection is not made at 64k, the ISU attempts another call at 56k Call Type. If the protocol cannot be negotiated, the ISU hangs up the call.
Chapter 6. Configuration Point-to-Point Protocol (PPP) The ISU 2x64 can be configured for PPP from the protocol options of the configuration menu by selecting 1=PPP or by setting S-register S27 to a value of 0. The menu path is shown in Figure 6-23. Multilink PPP The ISU 2x64 can be configured for multilink PPP from the protocol options of the configuration menu by selecting 2= Multilink PPP or by setting S-register S27 to a value of 1. (See Figure 6-23.
Chapter 7 Dial Options FRONT PANEL DIALING OPTIONS Selecting 4=DIAL or pressing the # key from the front panel displays the available dialing options (see Figure 7-2). Access the VT 100 Terminal Dial Options Screen (Figure 7-1) by pressing Ctrl+D from any screen. The dial options are only available when the ISU is configured for Dial Line operation (not Leased Line).
Chapter 7.Dial Options Hang up line Terminates current call. Dial number Enter and dial a number from the keypad. If an error is made, press the Down arrow to edit the number. After the number is entered, press Enter to dial the number and save as stored number 9 for redialing purposes. Redial last # Redial the last number called (or attempted) from the front panel. This number is saved as stored number 9 from the last attempted phone call.
Chapter 8 Quick Setup QUICK SETUP CONFIGURATION To configure the DTE Options quickly and easily, the Quick Setup menu is available to automatically set up the nine most common DTE configurations. (See Figure 8-1.) For fine-tuning a particular application and DTE settings, see DTE Options for Asynchronous and Synchronous Operation on page 50 for step-by-step procedures for detailed configuration of the DTE Options. 3=CONFIG 1=Netw.
Chapter 8. Quick Setup Quick Setup To aid in configuring the ISU 2x64, nine common configurations are preset for Quick Setup. These include: • Synchronous dial operation for 56, 64, 112, and 128 kbps • Asynchronous dial operation for 57.6 and 15.2 kbps • 64 kbps Limited Distance Modem using Master clocking • 64 kbps leased service • Fallback 57.6 If indicated with an asterisk, the option requires the end user to configure the ISDN switch type, SPID1-LDN1 and SPID2-LDN2.
Chapter 8. Quick Setup Dial 64K sync* When the ISU 2x64 is configured for Dial 64K sync service, the following parameters are automatically preset: Service type ............................................................ ISDN dial line Automatic answering ......................................................Enabled ISDN call type........................................................... 64 kbps data Data protocol.......................................................... Clear Channel DTE mode...........
Chapter 8. Quick Setup Dial 128K sync* When the ISU 2x64 is configured for Dial 128K sync service, the following parameters are automatically preset: Service type ............................................................ISDN dial line Automatic answering.......................................................Enabled ISDN call type ...........................................................64 kbps data Data protocol................................................. BONDING mode 1 DTE mode..................
Chapter 8. Quick Setup Dial 115.2 asyn* When the ISU 2x64 is configured for Dial 115.2 asyn service, the following parameters are automatically preset: Service type ............................................................ ISDN dial line ISDN call type........................................................... 64 kbps data Protocol .......................................................... BONDING mode 1 DTE mode.............................................................. Asynchronous Data Bits......
Chapter 8. Quick Setup Leased 64K When the ISU 2x64 is configured for Leased 64K service, the following parameters are automatically preset: Service type ................................................................Leased Line Network clock source ...........................................................Slave Channel rate ............................................................................. 64K Data Protocol..........................................................
Chapter 8. Quick Setup Factory Setup To restore the ISU 2x64 to the factory default setup, power the unit off and perform the following steps: 1. 2. While pressing 0, power the unit on. Continue pressing 0 until the front panel displays the top of the menu tree. 1=STATUS will be blinking. Factory default erases all stored phone numbers, SPIDs, and LDNs, and sets parameters as follows: Service type ............................................................ ISDN dial line ISDN switch type ...............
Chapter 8.
Chapter 9 Security and Remote Configuration SECURITY The ISU 2x64 provides a front panel keypad locking feature to prevent tampering with configuration settings. The feature requires a password to access menus below the top Current-Status menu level. The menu options are shown in Figure 9-1. 1=Netw.
Chapter 9. Security and Remote Configuration password does not match the stored password, the LCD displays a brief message indicating that the entered password was invalid and the top menu is displayed. Set Password Set Password prompts the user to enter a numeric code that will be required for access to configuration menus from the front panel. The code can be up to six digits long. The default state is nothing entered in the password option.
Chapter 9. Security and Remote Configuration Cfg. Rmt. Unit Cfg. Rmt. Unit causes the ISU 2x64 to place a call to a remote ISU for configuration. The user is prompted for the number to dial and the password for accessing the remote unit. After the call is placed, the local unit sends the entered password to the remote unit. If the password is correct, the remote unit confirms the password and configuration is allowed. If the remote unit has no password defined, press Enter at the prompt.
Chapter 9.
Chapter 10 Troubleshooting When the ISU 2x64 powers up, it performs an internal self test that takes approximately 10 seconds. At the end of the test, the front panel momentarily displays Self Test Passed. If Self Test Fails If Self Test Passed is not displayed, the following steps will verify whether or not the problem can be fixed locally: 1. 2. 3. 4. Ensure the ISU 2x64 is receiving power. Turn off the ISU 2x64 while holding down 0, then power back on. Continue to press down 0 for 15 seconds.
Chapter 10. Troubleshooting If the Euro ISDN or VN4 switch type is selected, the unit will not enter the Ready state until a setup message is sent or received (part number 1200051L5 and 1200051L6). 1. Cycle power on the ISU 2x64, leaving it off for a minimum of 2 seconds. Turn the power on for one full minute to ensure the unit does not read Ready. 2. Disconnect the ISDN line from ISU 2x64. From a functioning voice phone, call the local directory number(s) provided with the line.
Chapter 10. Troubleshooting 4. • • • 61200051L1-1D D. Talk to the service provider and ensure you have an ISDN Basic Rate U-Interface with 2B1Q line coding (wrong options are an S or T interface or AMI line coding) when using ISU 2x64 part number 1200051L1 or 1200051L3. If your ISDN line is extended from a PBX with an S/T line card, make sure you are using ISU 2x64 part number 1200051L2, 1200051L4, 1200051L5, or 1200051L6. E.
Chapter 10. Troubleshooting To isolate the problem, use the following procedure: 5. • • A. Ensure the ISU 2x64 is set up for the correct switch type. B. Ensure the quality of the line is satisfactory by checking for near- and far-end block errors (NEBEs and FEBEs). If the counts are non-zero, there may be a physical link problem as described under Link Down (Step 3). C. Try another piece of functioning ISDN equipment on the ISDN line. D.
Chapter 10. Troubleshooting E. 6. • • With the ISU 2x64 connected to the ISDN line and powered up, talk to the service provider’s repair group and tell them you have an ISDN basic rate line that appears physically okay but is unable to register its SPID(s). Ask them to check the line translation, ensure that the ISDN line supports dynamic TEI allocation, and verify the SPID(s).
Chapter 10. Troubleshooting 7. • • If the ISU 2x64 continuously reads Register SPID #2, the ISU 2x64 has completely initialized the first phone number but is unable to establish logical layer 3 for the second phone number. The problem is in one or more of the following places: The ISU 2x64 software setup The telephone service provider’s software setup To isolate the problem, perform the following procedure: 82 A. Ensure the ISDN line is multipoint with two phone numbers. B.
Chapter 10. Troubleshooting If the Wrong DTE Port Answers a Call A common mistake that can easily be made is entering the SPID/ LDN pair swapped between the two DTE ports. For example, your telephone company has given you two SPID/LDN numbers as follows: SPID1 - 201555701111 LDN1 - 5557011 SPID2 - 201555702222 LDN2 - 5557022 If you were to enter the pairs for DTE#1 as SPID1/LDN2 and SPID2/LDN1, the ISU 2x64 would get confused during incoming calls because the SPID/LDN pair does not match.
Chapter 10. Troubleshooting If you Cannot Connect Calls See Table 10-A for corrective actions if you cannot place calls. Table 10-A Troubleshooting Calls Condition Corrective Action The ISU 2x64 reads Ready but calls cannot be placed. There is most likely a problem in the software setup (translation) at the CO switch or the network setup in the ISU 2x64. Local voice calls can be transmitted, but data calls to the same exchange cannot. The ISDN line is probably not set up to support data calls.
Chapter 11 Specifications Network Interface • • RJ-45 for ISDN Basic Rate U-Interface, part numbers 1200051L1 and 1200051L3 RJ-45 for ISDN Basic Rate S/T Interface, part numbers 1200051L2, 1200051L4, 1200051L5, and 1200051L6. DTE Interface • Two DB-25s, each RS-530/EIA-232 interfaces (V.35 interfaces available with RS-530-to-V.35 adapters, part number 1200072L1) Dialing Selections • • • • In-band DTE Dialing: V.
Chapter 11. Specifications Data Rates (DTE) When using single DTE interface: • • 300 bps to 115.2 kbps asynchronous 2400 bps to 128 kbps synchronous When using dual DTE interfaces: • • 300 bps to 57.6 kbps asynchronous on each interface 2400 bps to 64 kbps synchronous on each interface B Channel Aggregation • • BONDING Protocol Mode 1. Used for speeds over 64 kbps from a single DTE interface. RFC 1717 Multilink PPP used for speeds over 57.6 kbps for a single DTE interface.
Chapter 11. Specifications Display • • Two-line by 16-character LCD LED Indicators: RS Request to Send Indicates the DTE is ready to transmit. CS Clear to Send Indicates the ISU 2x64 is ready to transmit.
Chapter 11.
Appendix A AT Commands This Appendix lists the supported AT commands and descriptions of their functions. Bold text indicates default settings. Command Function A Answer. Puts the ISU 2x64 in answer mode. D Dial. Precedes the telephone access number [ATD5551212]. H Hang up. Disconnects the current call. O On line. Commands the unit to go back on line. S S Register. SS S String register. Z Reset. Resets the AT command processor. &W Save. Save current configuration to EEPROM. +++ Break in.
Appendix A: AT Commands Command Function Carrier Detect (CD) Control Line Options &C0 &C1 &C2 &C3 CD forced On CD normal CD off with local disconnect (LOCD) CD off with Link Down Data Terminal Ready (DTR) Control Line Options &D0 &D1 &D2 Ignore DTR DTR Off forces command Idle when Off, DTR Off forces idle (On allows auto answer) Generic Unit Configurations &F0 &F1 &F2 &F3 &F4 &F5 &F6 &F7 &F8 &F11 Resets all S-registers to factory preset values Configures unit for Dial 56k sync Configures unit for Di
Appendix A: AT Commands Command Function DTE Data Type Options &Q0 &Q1 DTE is async DTE is sync Clear-To-Send (CTS) Control Line Options &R0 &R1 Follows RTS Forced CTS Data Set Ready (DSR) Control Line Options &S0 &S1 &S2 DSR forced On DSR if call up DSR if link up DTE Connector Data Synchronous Data Clocking Options &X0 &X1 Internal transmit clock External transmit clock Assigning Stored Numbers for Dialing Options &Z0 &Z1 &Z2 &Z3 &Z4 &Z5 &Z6 &Z7 &Z8 &Z9 Stored number 0 Stored number 1 Stored n
Appendix A: AT Commands Command Function AT Command Response Message Options Q0 Q1 Response messages on Response messages off AT Command Response Message Types V0 V1 Response messages codes Response messages words AT Command Connect Message Options X0 X1-7 Simple connect message Connect messages with bit rate Ready-To-Send (RTS) Control Line Options _D0 _D1 1 mS delay 18 mS delay MakeBusy Options _B0 Make DTE port not busy (same as S135=0). _B1 Make DTE port busy (same as S135=1).
Appendix A: AT Commands Command Function ISDN Switch Type Options (continued) _S6 TDX10* _S7 TDX1B* _S8 KDD* _S9 NTT* *Only available on part numbers 1200051L5 and 1200051L6. ISDN U-Interface Operational Mode Options _X0 _X1 ISU timing slaves to network (NT mode) ISU is U-interface timing master (LT mode) Data Flow Control Options \Q0 \Q1 \Q2 \Q3 No flow control Software CTS only Hardware Dump Status Buffer !S Sends complete log of all messages stored in the StatusBuffer.
Appendix A: AT Commands 94 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Appendix B Current Status Messages This appendix lists the status line messages and their definitions. Messages shown entirely in capital letters are generated by the ISDN network. Messages with lower case letters are generated by the ISU 2x64. AT&T-5ESS Ready The ISU is connected to an AT&T-5ESS switch and is ready to place/receive calls. Call Connect B1 Bearer channel 1 is connected and is active. Call Connect B2 Bearer channel 2 is connected and is active.
Appendix B: Current Status Messages DMS-100 Ready The ISU is connected to a DMS-100 switch and is ready to place/ receive calls. Euro ISDN Ready The ISU 2x64 is connected to a Euro ISDN switch and is ready to place/receive calls. Getting TEI #1 The ISU is receiving its first TEI from the network. Getting TEI #2 The ISU is receiving its second TEI from the network. ISDN-1 Ready The ISU is connected to an ISDN-1 compliant switch and is ready to place/receive calls.
Appendix B: Current Status Messages NET EOC LOOPBACK The ISU 2x64 has been commanded to perform an ISDN loopback toward the network. NET REM LOOPBACK The ISU 2x64 is performing a V.54 or DDS latching loopback toward the network. Ready The unit is ready to make or accept a call. Register SPID #1 The ISU 2x64 is registering its first SPID with the network. Register SPID #2 The ISU 2x64 is registering its second SPID with the network. RINGING The phone number just dialed is ringing.
Appendix B: Current Status Messages DSTOP DSU 57.6 Async rate adaptation protocol. DSU57.6 ADTRAN DSU asynchronous protocol. FALLBACK FALLBACK rate adaptation protocol. SAP Simple Adtran Protocol. TLINK TLINK rate adaptation protocol. V120 V.120 rate adaptation protocol. V110 V.110 rate adaptation protocol.
Appendix C Status Buffer Messages Messages shown entirely in capital letters are generated by the ISDN network. Messages with lower case letters are generated by the ISU 2x64. Answer 1/2 The ISU answered a call on either the first or second B channel. The calling phone number is displayed if available. ACCESS_INFO_DISCARDED The network was unable to deliver access information to the farend. Back to online ISU 2x64 went back on line.
Appendix C: Status Buffer Messages Bad DTE baud The DTE bit rate does not match a valid bit rate for the protocol selected. Bad DTE bps Bonding negotiation determined the chosen DTE bit rate is invalid. BAD_INFO_ELEM Call control error. Bad phone number ISU 2x64 attempted to call an invalid phone number. Bad TLK Version Invalid TLINK parameters found during end-to-end negotiations. Baud Rate ISU 2x64 does not support the negotiated TLINK baud rate.
Appendix C: Status Buffer Messages BUSY The called number is busy. CallID 1 in use ISU 2x64 tried to place a call using SPID 1 when SPID 1 was already in use. CallID 2 in use ISU 2x64 tried to place a call using SPID 2 when SPID 2 was already in use. Call not ringing User executed an answer command (ATA) but there was not a call present. CALL_REJECTED The call has been rejected by the ISDN network. Can’t go online ISU 2x64 cannot go back on line. User issued an unknown AT command.
Appendix C: Status Buffer Messages DEST_OUT_OF_ORDER The called number is out of order. Dial1/2 The ISU 2x64 placed a call on either the first or second channel. The number called is displayed following the message. Discon1/2 The call on either the first or second channel was disconnected from the network. The far-end phone number is displayed if available. Disconnect Req Far-end unit disconnected during BONDING negotiation. DPUMP END RCVD Indication of a hang-up or disconnect occurring during BONDING.
Appendix C: Status Buffer Messages FACILITY_REJECTED A facility requested cannot be provided by the network. FACILITY_NOT_SUBSCRIBED The channel type requested has not been subscribed. FALLBACK ERROR Attempt to fallback to normal mode failed. FBW disconnect BONDING negotiation has failed due to a disconnect on a BChannel. FlowCtl mismatch Bonding negotiation determined a flow control mismatch. FlowCtl required Bonding negotiation determined that flow control needs to be optioned on.
Appendix C: Status Buffer Messages INVALID_ELEM_CONTENTS Call control error. INVALID_MSG_UNSPEC Invalid message, protocol error. INVALID_NUMBER_FORMAT The dialed number has an invalid format. L1 not up Call has been attempted while the network interface is not active. L2 not up Call has been attempted while the data link layer interface is not active. L3 not up Call has been attempted while the call control interface is not active.
Appendix C: Status Buffer Messages Need 64K call The BONDING protocol requires the ISU 2x64 to be configured for a 64kbps data call type. Negotiation fail The BONDING negotiation has failed. NETWORK BUSY The ISDN switch is busy and unable to process a call. NETWORK_CONGESTION The phone network is currently congested. NETWORK_OUT_OF_ORDER The phone network is out of order. No 48K Support The ISU 2x64 does not support 48 kbps TLINK. Local DTE setup error.
Appendix C: Status Buffer Messages NOT end2end ISDN The path that the call was routed over is not ISDN from end-toend (warning only). NUMBER_CHANGED The number dialed has been changed. OUTGOING_CALL_BARRED The network will not allow the outgoing call to be placed. PROTOCOL_ERROR Call control error. REQ_CHANNEL_NOT_AVAIL The channel type requested is currently not available. Remote not ISU Bonding negotiation determined the far-end unit is not another ISU.
Appendix C: Status Buffer Messages SReg Set Error Local DTE invalid S-register setting. Sync BPS < 56K The synchronous bit rate selected is too slow for the BONDING protocol. Synch Mismatch Both ends bad synchronization. TAINIT expired Bonding timer TAINIT expired. TANULL expired Bonding timer TANULL expired, non BONDING equipment attempted to call into the ISU 2x64 while optioned for BONDING. TEMPORARY_FAILURE The network has temporarily failed; try the call again. TIMER_EXPIRY Call control error.
Appendix C: Status Buffer Messages TXINIT expired Bonding timer TXINIT expired, called non-BONDING equipment or B channel not error free. UNASSIGNED_NUMBER The phone number dialed does not exist. Unknown AT & cmd User issued an unknown AT command. UNSPECIFIED_CAUSE Received a cause message from the network that is not understood. Unsupported baud The ISU 2x64 does not support the negotiated baud rate. USER_BUSY The dialed number is busy. V120 timeout The far end unit is not set up for V.
Appendix D S-Register List S0.........AUTO ANSWER Determines how the ISU 2x64 answers an incoming call. 0 = Disable (ISU 2x64 does not answer call) 1 = Enable (ISU 2x64 answers all calls) (default) 2 = Dump all calls S2.........BREAK IN Determines which key or character (in ASCII code) defines the escape command. The standard escape character is a + sign (ASCII value of 43 decimal). To change the character set, set S2 to the desired ASCII value. Range = 0 to 127 CHARACTER S3.........
Appendix D: S-Register List S6.........DTR DIAL DELAY Delay time in minutes between consecutive outgoing calls when DTR is set for Dial #0 if on option. S7.........CONNECT TIME Determines how long the ISU 2x64 waits for an outgoing call to be answered. 15 = 15 seconds 30 = 30 seconds (default) 60 = 1 minute 120 = 2 minutes 240 = 4 minutes S9 .........CLEAR CHAN DELAY The value multiplied by eight determines the number of bytes between receive data and transmit data. S10 .......
Appendix D: S-Register List S22.......MSG BITS Miscellaneous message bits (bit 8 is most significant bit). Bit 5 = bit 6 = bit 7 = 1 allows connect message with baud rate. Bit 5 = bit 6 = bit 7 = 0 connect message without baud rate. S23.......MAKE BUSY FEATURE BUTTON NUMBER Number assigned by the telephone company when requested by user. Make Busy option is translated for an ISDN line and the feature button number must be entered into this S register. Useful for Hunt-Group operation.
Appendix D: S-Register List S30 .......DTE CTS Controls the operation of the DTE connector CTS line. 0 = Follows RTS 1 = Forced CTS (default) S31 .......DTE RTS Controls operation of the RTS line. 0 = 1 ms delay (default) 17 = 18 ms delay S32 .......DTE DSR Controls the operation of the Data Set Ready signal on the DTE connectors. 0 = Force DSR on always (default) 1 = DSR active only during a call 2 = DSR active only when network interface is on S33 .......
Appendix D: S-Register List S41.......BOND TXFA Specifies the number of seconds both endpoints attempt to detect the BONDING frame pattern when a call is connected before deciding the BONDING call has failed. When operating with other manufacturer's BONDING equipment, it may be necessary to lengthen this timer to match TXADD01. 0 to 256, 10 sec is default S42.......
Appendix D: S-Register List S47 .......RS 366 TIME Determines the amount of time the RS-366 port waits for either EON or inactivity to terminate a dial string before dialing a number. 0 = Wait for EON only 10 = Wait for 1 second or EON 20 = Wait for 2 seconds or EON 50 = Wait for 5 seconds or EON (default) 100 = Wait for 10 seconds or EON 200 = Wait for 20 seconds or EON S50 .......LINE MODE Selects the operating mode of the ISU 2x64.
Appendix D: S-Register List S54.......PROTOCOL TYPE Rate adaptation protocol type. 1 = Clear Channel (no rate adaptation) (default) 2 = BONDING mode 1 3 = SAP (Simple Asynchronous Protocol) 4 = T-link 5 = V.110 6 = V.120 9 = DSU 57.6 kpbs asynchronous 11 = FALLBACK 12 = PPP S55.......DIAL MODE Selects dialing interface. 0 = Front panel only (dialing from front panel is always available) (default) 1 = RS-366 dialing port 2 = AT commands 3 = V.25 bis dialing S56.......
Appendix D: S-Register List S59 .......CHANNEL RATE Sets the available network bandwidth when the ISU 2x64 is in leased mode. 3 = 64 kbps 5 = 128 kbps SS60.....SPID1 LOC Primary SPID string location. SS61.....SPID2 LOC Secondary SPID string location. SS62.....LDN1 LOC Primary local directory number string location. SS63.....LDN2 LOC Secondary local directory number string location. S70 .......DTE MODE Selects asynchronous or synchronous mode on the DTE connector.
Appendix D: S-Register List S74.......DTE STOP Selects the number of asynchronous stop bits. More than one option can be set at the same time. 0 = 1 stop bit (default) 1 = 1.5 stop bits 2 = 2 stop bits S75.......DTE FLOW Selects asynchronous flow control 0 = None (default) 1 = Hardware flow. CTS from DCE controls DTE. 2 = Hardware flow. RTS from DTE controls DCE. 3 = Hardware flow. RTS and CTS flow control. 4 = Software flow. XON/XOFF from DCE controls DTE. 8 = Software flow.
Appendix D: S-Register List 118 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Appendix E Connector Pinouts PIN 13 PIN 1 FEMALE PIN 25 PIN 14 Figure E-1 EIA-232 Interface Table E-A EIA-232 Interface Pin Name I/O Description 1 ............................Shield ....................I/O........ Shield for cable 2 ............................TD.........................I............. Transmitted Data 3 ............................RD.........................O........... Received Data 4 ............................RTS........................I............. Request to Send 5 ............
Appendix E: Connector Pinouts PIN 13 PIN 1 FEMALE PIN 25 PIN 14 Figure E-2 RS-530 Interface Table E-B RS-530 Interface Pin Name I/O Description 1 ........................... Shield ................... I/O ........ Shield for cable 2 ........................... TD-A ..................... I ............. Transmitted Data 3 ........................... RD-A ..................... O........... Received Data 4 ........................... RTS-A .................... I ............. Request To Send 5 .........
Appendix E: Connector Pinouts Table E-C V.35 Interface (Provided by RS-530/232-to-V.35 Adapter, part number 1200072L1) Pin Name I/O Description A ............................Shield ....................I/O........ Shield for cable B ............................SG ........................I/O........ Signal Ground C............................RTS........................I............. Request To Send D ............................CTS.......................O........... Clear To Send E...........................
Appendix E: Connector Pinouts Table E-D RS-366 Interface Pin Name I/O Description 1 ........................... Shield ................... I/O ........ Shield for cable 2 ........................... DPR ...................... I ............. Digit Present 3 ........................... ACR...................... O........... Abandon Call and Retry 4 ........................... CRQ ..................... I ............. Call Request 5 ........................... PND ..................... O...........
Appendix E: Connector Pinouts Table E-F RJ-45 Dial Line Connector S/T Interface Pin Description 3 4 5 6 TxP RxP RxN TxN Table E-G Maintenance Connector 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual Pin Description 1 2 3 4 5 6 7 8 9 CD RD TD DTR SG DSR RTS CTS RING 123
Appendix E: Connector Pinouts 124 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Appendix F Ordering ISDN Without IOCs ISDN is a complex service with multiple options. Obtaining service from your local telephone company and long distance providers can sometimes be complicated. This appendix guides you and your telephone company in specifying and obtaining your ISDN service requirements. To support most of the features in the ISU 2x64, your telephone service needs to meet certain requirements. A general description of these requirements follows.
Appendix F: Ordering ISDN Without IOCs ISDN Service Ordering Information for the ADTRAN ISU 2x64 For ADTRAN ISU 2x64 applications, the following guide can be used as an aid in ordering basic ISDN service from your local telephone company. The ADTRAN ISU 2x64 ISDN Service Unit (part numbers 1200051L1 and 1200051L3) includes NT1 and Terminal Adapter functionality and supports data at rates up to 128 kbps.
Appendix F: Ordering ISDN Without IOCs For service offered from an AT&T 5ESS, request a multipoint line, with the following features: Feature Value B1 Service On Demand (DMD) B2 Service On Demand (DMD) Data Line Class Multipoint Maximum B Channels 2 Circuit Switched Voice Bearer (CSV) Channels Any Number of CSV calls 1 (recommended for testing purposes) Circuit Switched Data (CSD) Bearer Channels Any Number of CSD calls 2 Terminal Type Type A Turn the following features off: Packet Mode Data Multiline Hunt
Appendix F: Ordering ISDN Without IOCs For service offered from a Northern Telecom DMS-100, request a multipoint line, with the following features.
Appendix F: Ordering ISDN Without IOCs LOCAL INTERFACE REQUIREMENTS Physical Interface • ISDN Basic Rate Interface (BRI) line • U-interface reference point • 2B1Q line coding ISDN service must be provided from one of the following CO switches and protocols: Switch Protocol AT&T 5ESS Custom (5E6 or later software) National ISDN-1 Northern Telecom DMS-100 BCS-32 or later software (Pvc1) National ISDN-1 (Pvc2) Siemens EWSD National ISDN-1 The interface provides the ability to allocate one dynam
Appendix F: Ordering ISDN Without IOCs Long Distance Service If facilities are available, subscribe to long distance service supporting the bearer capabilities previously listed. Request service supporting circuit-switched 64 kbps or 56 kbps access. It is recommended that the same long distance carrier end-to-end throughout the network to be used. Deciding What Services to Order If you are new to ISDN, first obtain the features previously listed.
Appendix F: Ordering ISDN Without IOCs Table F-A 5ESS Features B1 service On-Demand (DMD) B2 service On-Demand(DMD) Data line class Maximum B channels Number of circuit switched voice (CSV) calls Circuit switched voice bearer channels Number of circuit switched data (CSD) calls Circuit switched data bearer channels Terminal type data bearer channels Point-to-point 2 2 Any 2 Any Type A Multipoint lines require the phone company to create a SPID for each phone number on the line.
Appendix F: Ordering ISDN Without IOCs DMS-100 Protocol Version 1 Line Additional Parameters The Northern Telecom DMS-100 telephone switch supports a proprietary ISDN D-channel call control protocol called Pvc1 which is based on CCITT recommendations. The ISU 2x64 configured for switch-type DMS-100 is functional on lines providing this protocol on DMS-100 switches with software version BCS-32 or later.
Appendix F: Ordering ISDN Without IOCs After Service Is Installed When the line is installed, the following information will be provided by the local phone service provider: • A seven-digit LDN for the line. If the line is multipoint with two phone numbers, two LDNs are provided. • If the line is multipoint, a SPID is provided for each LDN. • Dialing information, including the area code, for the line.
Appendix F: Ordering ISDN Without IOCs 134 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Acronyms 2B1Q AMI B (Channel) BONDING bps BRI CCITT CD CIC CTS DCE DMS DSR DTE EKTS FAX HLC ID IFCE I/O ISDN ISO kbps kHz LAN LDN Mbps NT1 PBX PC 61200051L1-1D 2 Binary, 1 Quarternary Alternate Mark Inversion A 64 kbps digital information channel Bandwidth On Demand Interoperability Group Bits per second Basic Rate Interface Consultative Committee for International Telegraphy and Telephony Carrier Detect Connect Incoming Call Clear to Send Data Communications Equipment Digital Multiplex Switching Data Set
Acronyms PRI SPCS SPID TA TE TEI WAN 136 Primary Rate Interface Stored Program Controlled Switching System Service Profile Identifier Terminal Adapter Terminal Equipment Terminal Endpoint Identifier Wide Area Network ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Glossary asynchronous transmission Not Synchronous. A method of data transmission which allows characters to be sent at irregular intervals by preceding each character with a start bit and following it with a stop bit. The timing of the transmission is not determined by the timing of a previous character. Applications include communication between most small computers (especially PCs) and mainframes, lower speed transmission, and less expensive computer transmission systems. See Synchronous.
Glossary CCITT Consultative Committee on International Telephony and Telegraphy. A body of the International Telegraph Union (ITU) which prepares recommendations, commonly referred to as international standards, to resolve technical telegraph and telephone problems. central office (CO) In telephony, the facility housing the switching system and related equipment that provides telephone service for customers in the immediate geographical area.
Glossary DDS dataphone digital service. AT&T private line service for transmitting data over a digital system. The digital transmission system transmits electrical signals directly, instead of translating the signals into tone of varied frequencies as with traditional analog transmission systems. Digital techniques provide more efficient use of transmission facilities, resulting in lower error rates and costs than analog systems.
Glossary ISDN Integrated service digital network. A network architecture that enables end-toend digital connections. The network supports diverse services through integrated access arrangements and defines a limited set of standard, multipurpose interfaces for equipment vendors, network providers, and customers. Interworking with a public switched telephone network is retained. LATA Local Access and Transport Area.
Glossary NEXT (near-end crosstalk) Unwanted energy transferred from one circuit to an adjoining circuit. Occurs at the end of the transmission link where the signal source is located. The absorbed energy is usually propagated in the direction opposite to the absorbing channel’s normal current flow. Caused by high-frequency or unbalanced signals and insufficient shielding. non-ISDN line Any connection from a CPE to a SPCS that is not served by D-channel signalling.
Glossary synchronous 1. The condition occurring when two events happen in a specific time relationship with each other, both under control of a master clock. 2. A method of data transmission requiring the transmission of timing pulses to keep the sender and receiver synchronized in their communication used to send blocks of information.
Glossary 2B+D The basic rate interface (BRI) in ISDN. A single ISDN circuit divided into two 64 kbps digital channels for voice or data and one 16 kbps channel for low speed data (up to 9,600 baud) and signalling. 2B+D is carried on one or two pairs of wires depending on the interface, the same wire pairs that today bring a single voice circuit into your home or office. See ISDN. U-interface A twisted pair subscriber loop that connects the NT1 reference point to the ISDN network, as defined in the I.
Glossary 144 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Index Numerics 2B1Q leased digital service 47 5ESS custom line additional parameters 130 busy out port disabled 34 enabled 34 setting 33 5ESS features 131 C A call screening setting 45 call type setting 31 CD options 51 cfg. rmt.
Index current status menu 18 current status messages 95 D data 56kbps 31 data 64kbps 31 data format (async) 53 data rates (DTE) 86 (network) 85 dial 112K sync 67 dial 115.2 asyn 69 dial 128K sync 68 dial 56K sync 66 dial 57.
Index installation ISU 2x64 installation 13 interface maintenance 15 interfaces 2 interoperability 4, 86 ISDN ordering codes 9 overview 1 service 9 ISU 2x64 dialing from 2 front panel 3, 4 interfaces 2 interoperability 4 operation 17 overview 1 rear panel 2 single port operation 4 L LCD configuration menu tree 29 ldm 64K master 70 LDNs setting 33 leased 64K 70 leased application with channel banks 48 leased line service 47 LED indicators carrier detect, 87 clear to send, 87 data set ready, 87 data termin
Index maintenance connector, 123 RJ-45 dial line connector S/T interface, 123 RJ-45 dial line connector U interface, 122 RS-366, 122 RS-530, 120 V.
Index T TANULL 58 TCID 58 terminal ID setting 32 test 2047 both 26 test menu screen 23 test menu tree 24 test options 23 test remote 25 testing 23 T-link 59 transmit clock (async) 53 troubleshooting 77 troubleshooting calls 84 TXADD01 57 TXDEQ 58 TXFA 57 TXINIT 57 V V.110 59 V.120 58 V.25 39 V.25 async dialing 40 V.25 bis, 85 V.25 HDLC flag 42 V.25 sync bisync dialing 42 V.25 sync HDLC Dialing 41 V.
Index 150 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
Product Support Information Presales Inquiries and Applications Support Please contact your local distributor, ADTRAN Applications Engineering, or ADTRAN Sales: Applications Engineering Sales (800) 615-1176 (800) 827-0807 Post-Sale Support Please contact your local distributor first. If your local distributor cannot help, please contact ADTRAN Technical Support and have the unit serial number available.