MRXI-22 AND MRXI-24 10BASE-T HUB USER’S GUIDE The Complete Networking Solution™ CABLETRON SYSTEMS, P. O.
NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice.
NOTICE FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: 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.
CONTENTS CHAPTER 1 INTRODUCTION 1.1 USING THIS MANUAL ................................................................ 1-1 1.2 GETTING HELP .......................................................................... 1-2 1.3 THE 10BASE-T MRXI ................................................................. 1-2 1.4 LANVIEW LEDs AND LCD DISPLAY.......................................... 1-4 1.5 LOCAL MANAGEMENT .............................................................. 1-4 1.
CONTENTS CHAPTER 4 TESTING AND TROUBLESHOOTING 4.1 INSTALLATION CHECK-OUT .....................................................4-1 4.2 TESTING SEGMENTS ATTACHED TO THE MRXI....................4-2 4.3 USING LANVIEW ........................................................................4-5 4.4 THE LCD DISPLAY .....................................................................4-6 CHAPTER 5 LOCAL MANAGEMENT 5.1 TERMINAL CONFIGURATION....................................................5-1 5.1.
CHAPTER 1 INTRODUCTION Welcome to the Cabletron Systems MRXI-22 and MRXI-24 10BASE-T HUB User’s Guide. This manual provides installation instructions and presents reference information for the MRXI-22 and MRXI-24 10BASE-T Hubs. Note: Throughout this manual the term MRXI is used to cover both the MRXI-22 and MRXI-24 unless otherwise specified. 1.
INTRODUCTION 1.2 GETTING HELP If you need additional support related to the MRXI-22 or MRXI-24, or if you have any questions, comments, or suggestions concerning this manual, feel free to contact Cabletron Systems Technical Support: By phone ..........................(603) 332-9400 Monday-Friday; 8am - 8pm EST ® .............GO CTRON from any ! prompt By CompuServe By Internet mail ...............support@ctron.com 1.3 THE 10BASE-T MRXI The MRXI-22 and MRXI-24 are functionally identical.
INTRODUCTION The MRXI fully conforms to the IEEE 802.3 Repeater, AUI, and 10BASE-T specifications, and provides the flexibility to connect networks using IEEE 802.3, Ethernet Version 1 or Version 2 equipment. A Repeater Interface Controller (RIC) in the MRXI provides full 802.3 repeater capabilities integrated into a single chip. The MRXI transmits re-timed data packets, regenerates the preamble, extends fragments, and arbitrates collisions.
INTRODUCTION 1.4 LANVIEW LEDS AND LCD DISPLAY Cabletron Systems’ LANVIEW Status Monitoring and Diagnostics System is a convenient troubleshooting tool that helps you diagnose power failures, collisions, cable faults, and link problems. The front panel LCD display provides information about the MRXI such as power up diagnostics, revision levels, MAC and IP addresses, and error alerts. 1.
INTRODUCTION For specific information, refer to the applicable network management package user’s manual. 1.7 RELATED MANUALS Use the following manual to supplement the procedures and other technical data provided in this manual. The procedures contained in the following manual are referenced where appropriate, but not repeated in this manual. Cabletron Systems LAN-MD Portable Ethernet Tester User's Manual.
INTRODUCTION 1-6
CHAPTER 2 INSTALLATION REQUIREMENTS/SPECIFICATIONS This chapter describes network guidelines, power requirements, and operating specifications for the MRXI. Be sure that you read this chapter before you install the MRXI. Your network must meet the requirements and conditions specified in this chapter to obtain satisfactory performance from this equipment. Failure to follow these guidelines could result in poor network performance. 2.
INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.3 NETWORK GUIDELINES Take care in planning and preparing the connections and the cables for your network. The quality of the connections, the length of the cables, and the location of the MRXI are critical factors in determining the reliability of your network. The following sections describe the network guidelines to operate this equipment. 2.3.
INSTALLATION REQUIREMENTS/SPECIFICATIONS • Jitter - Intersymbol interference and reflections can cause jitter in the bit cell timing, resulting in data errors. A 10BASE-T link must not generate more than 5.0 nsec. of jitter. If your cable meets the impedance requirements for a 10BASE-T link, jitter should not be a concern. • Delay - The maximum propagation delay of a 10BASE-T link segment must not exceed 1000 nsec. This 1000 nsec.
INSTALLATION REQUIREMENTS/SPECIFICATIONS • Attenuation - The fiber optic cable must be tested with a fiber optic attenuation test set that is adjusted for an 850 nm wavelength. This test verifies that the signal loss in a cable is within an acceptable level: - 13.0 dB or less for 50/125 fiber cable segment. 16.0 dB or less for 62.5/125 fiber cable segment. 19.0 dB or less for 100/140 fiber cable segment.
INSTALLATION REQUIREMENTS/SPECIFICATIONS • Fiber optic budget is the combination of the optical loss due to the fiber optic cable, in-line splices, and fiber optic connectors (the loss for each splice and connector is typically 1 dB or less). • Propagation delay is the amount of time it takes a packet to travel from the sending device to the receiving device. Total propagation delay allowed for the entire network is 25.6 µsec.
INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.3.5 Transceiver Requirements When you connect an external network segment, via a transceiver, to the MRXI with an EPIM-A, the following requirements must be met: • The transceiver or Ethernet Device to which the module will be connected must meet IEEE 802.3 standards, and/or Ethernet Version 1.0 or Version 2.0 standards.
INSTALLATION REQUIREMENTS/SPECIFICATIONS 2.4 OPERATING SPECIFICATIONS The operating specifications for the MRXI are described in this section. Cabletron Systems reserves the right to change these specifications at any time without notice.
INSTALLATION REQUIREMENTS/SPECIFICATIONS JAM Output: Collisions are propagated through the network using the JAM signal of an alternating pattern of 1's and 0's in accordance with 802.3 specifications for a repeater unit. Fragment Extension: Packet fragments are extended to a minimum of 96 bits using the JAM [1,0].
INSTALLATION REQUIREMENTS/SPECIFICATIONS Ethernet Port - EPIM-T (10BASE-T Twisted pair Port) Internal Transceiver: Cabletron Systems TPT-T™ 10BASE-T Twisted Pair Transceiver Type: Pin RJ-45 Connector The slide switch on the EPIM-T determines if the cable pairs are internally swapped in the module. If the switch is on the X side, the pairs are swapped. If the switch is on the II side, the pairs are not internally swapped.
INSTALLATION REQUIREMENTS/SPECIFICATIONS Parameter Typical Value Worst Case Worst Case Typical Budget Budget Transmitter Power 50/125 µm fiber: -13.0 dBm -15.0 dBm 13.0 dB 17.5 dB 62.5/125 µm fiber: -10.0 dBm -12.0 dBm 16.0 dB 20.5 dB 100/140 µm fiber: -7.0 dBm -9.0 dBm 23.5 dB Error Rate: 19.0 dB Better than 10-10 Note: The transmitter power levels and receive sensitivity levels listed above are Peak Power Levels after optical overshoot.
INSTALLATION REQUIREMENTS/SPECIFICATIONS Maximum Sensitivity (-36.0) Receive Sensitivity Typical Sensitivity (-31.0) Minimum Sensitivity (-30.0) Minimum Receive Input (-9.72) Typical Receive Input (-7.5) Maximum Receive Input Power Maximum Receive Input (-6.99) Maximum Transmit Power (-12.0) Transmitter Power* (At 25°C into 8.3/125µm fiber) Typical Transmit Power (-15.5) Minimum Transmit Power (-21.
INSTALLATION REQUIREMENTS/SPECIFICATIONS Ethernet Port - EPIM-C (BNC Port) Internal Transceiver: Cabletron Systems TMS-3™ Transceiver. Termination: The port on the module can be internally terminated, to an internal 50 Ohm terminator, utilizing the switch located to the left of the port. This eliminates the need to connect the port to a Tee Connector and terminator. Type: BNC receptacle, with gold center contact, for use with BNC type tee-connectors and RG-58 thin-net cable.
INSTALLATION REQUIREMENTS/SPECIFICATIONS Console Port The RJ-45 Console port supports access to a Local Management Console. The Console port supports a Digital Equipment Corporation, VT 320™ terminal or PC emulation of the VT 320™ terminal.
INSTALLATION REQUIREMENTS/SPECIFICATIONS RCV (yellow): Indicates that the repeater is receiving a data packet on that segment. CPU (flashing green): This LED alternates from red to green during power up. After the boot is complete, the LED flashes green. A flashing green LED indicates normal operation. A red LED indicates a fault in the processor. POWER SUPPLY REQUIREMENTS Note: The MRXI has a universal power supply. This unit allows you to use an input power from 85 to 264 VAC, 47-63 Hz.
INSTALLATION REQUIREMENTS/SPECIFICATIONS SERVICE MTBF (MHBK-217D): >70,040 hrs. projected MTTR: < 0.5 hr. PHYSICAL Dimensions: 2.8H x 17.0W x 13.5D inches (7.2 x 43.6 x 34.6 cm) Weight: 7 lbs.
INSTALLATION REQUIREMENTS/SPECIFICATIONS 2-16
CHAPTER 3 INSTALLATION This chapter outlines the procedure for installing your MRXI and connecting it to a network. Ensure that your network meets the guidelines and requirements outlined in Chapter 2, Installation Requirements/Specifications, before installing the MRXI. 3.1 UNPACKING THE MRXI Unpack the MRXI as follows: • Remove the two plastic bags containing the accessories. • Remove the MRXI from the shipping box. • Slide the two foam end caps off the MRXI.
INSTALLATION MRXI 10 BASE-T HUB with LANVIEW Figure 3-1 3.3 Attaching the Strain Relief INSTALLING THE MRXI You can mount the MRXI on a wall, a 19-inch rack, or place it free-standing on any horizontal surface (i.e., shelf or desk, etc.). Select one of the following subsections and perform the steps that are applicable for your installation. 3.3.1 Rack Mounting the MRXI Refer to Figure 3-2 and perform these steps to install the MRXI in a 19-inch rack. 1.
INSTALLATION Rackmount Brackets (2) MRXI 10 BASE-T HUB with LANVIEW Screws (4) Figure 3-2 Rack Mount Brackets Installation 3. With the mounting brackets installed, position the MRXI between the vertical frame members of the 19-inch rack and fasten it securely with the mounting screws as shown in Figure 3-3. 19-Inch Rack MRXI 10 BASE-T HUB with LANVIEW Screws (4) Figure 3-3 3.3.
INSTALLATION Note: 1/4-inch Molly screw anchors for wall mounting are not included with the MRXI. 1. Use the supplied screws to attach the wall mounting brackets to the bottom of the MRXI as shown in Figure 3-4. There are two brackets, one for each side. Figure 3-4 Installing the Wall Mounting Brackets 2. Select the wall location for the MRXI within 7 feet of a power outlet.
INSTALLATION Molly Anchor Figure 3-5 Wall Mounting the MRXI 5. Tighten each of the anchor screws until the anchor expands holding the anchor firmly in the wall, then remove the screws completely. 6. Position the MRXI on the wall over the anchors and reinstall the four anchor screws to attach the MRXI to the wall, as shown in Figure 3-5. Tighten the four anchor screws. 3.3.
INSTALLATION C B MRXI 10 BASE-T HUB with LANVIEW A A = 15 cm (6 in) B = 46 cm (18 in) C = 53 cm (21 in) D = 213 cm (7 ft) Figure 3-6 3.4 D Shelf or Table-top Installation CONNECTING THE MRXI TO THE POWER SOURCE Note: The MRXI has a universal power supply. This allows you to connect the MRXI to power sources from 85 Vac to 264 Vac, 47-63 Hz. To connect the MRXI to the power source, plug the power cord into a grounded wall outlet. Turn on the power switch at the back panel of the MRXI.
INSTALLATION 3.5.1 Connecting the Network Port Cabling You attach unshielded twisted pair segments to the RJ-45 Network Ports on the front panel of the MRXI. Since the MRXI utilizes polarity detection and correction, the twisted pair connections are not sensitive to signal polarity. The network will still function properly with the (+) and (–) lines within a pair reversed.
INSTALLATION NETWORK Port (1-12) NOTE: RX+/RX– and TX+/TX– must share a common color pair. Figure 3-8 10BASE-T DevicePort RX+ 1 1 TX+ RX– 2 2 TX– RJ-45 to RJ-45 TX+ 3 3 RX+ TX– 6 6 RX– Cable Pin-outs - RJ-45 Network Ports c. Check the cable for continuity. d. Check that the twisted pair connection meets dB loss and cable specifications outlined in 10BASE-T Twisted Pair Network Requirements. e. Check that the cross-over switch is in the correct position.
INSTALLATION Switch Figure 3-9 II X EPIM-T Front Panel EPIM-T Cross-over Switch To connect a EPIM-T to a Twisted Pair Segment: 1. Connect the twisted pair segment to the module by inserting the RJ-45 connector on the twisted pair segment into the RJ-45 port on the module. See Figure 3-10. LNK EPIM-T Figure 3-10 The EPIM-T 2. Check that the LNK LED for the port is lit. If the LED is not lit, perform each of the following steps until it is: a.
INSTALLATION d. Check that the twisted pair connection meets dB loss and cable specifications outlined in 10BASE-T Twisted Pair Network Requirements. e. Check that the cross-over switch is in the correct position. 10BASE-T Device Port EPIM-T Port NOTE: RX+/RX- and TX+/TX- RX+ 1 RX- 2 Figure 3-11 TX+ 2 TX- RJ-45 to RJ-45 must share a common color pair.
INSTALLATION SQE EPIM-X Figure 3-12 3.5.4 The EPIM-X Connecting a Fiber Optic Link Segment to an EPIM-F1, EPIM-F2, or EPIM-F3 When connecting a fiber optic link segment to an EPIM-F1, F2, or F3 keep the following in mind: • If you are connecting a fiber optic link segment with SMA 906 connectors to an EPIM-F1 with SMA ports, ensure that half alignment sleeves are in place on each connector. A full alignment sleeve will damage the receive port. SMA 905 connectors do not need alignment sleeves.
INSTALLATION cable from Cabletron Systems, it is labeled so that: at one end of the cable, one fiber is labeled 1, and the other fiber is labeled 2. This pattern is repeated at the other end of the cable. If you did not purchase your cable from Cabletron Systems, be sure you have labeled your cable in the manner described above. CAUTION: Do not touch the ends of the fiber optic strands, and do not let the ends come in contact with dust, dirt, or other contaminants.
INSTALLATION c. Verify that the fiber connection meets the dB loss specifications outlined in Fiber Optic Network Requirements. If a link still has not been established, contact Cabletron Systems Technical Support. 3.5.5 Connecting a Thin-Net Segment to an EPIM-C To connect a thin-net segment to an EPIM-C: 1.
INSTALLATION 3.5.6 Connecting an AUI Cable to an EPIM-A To connect an EPIM-A to an external network segment, via an AUI Cable: 1. Attach an external transceiver to the network segment that will be connected to the AUI port. Refer to the applicable transceiver manual. 2. Attach an AUI cable, no longer than 50 meters in length, to the transceiver connected to the network in step 1. 3. Connect the AUI cable to the AUI port located on the EPIM-A. See Figure 3-15. 4.
INSTALLATION 3.6 FINISHING THE INSTALLATION The MRXI is now ready for operation. Before placing the network into service, test the installation thoroughly, making sure that you can address all stations and that the MRXI and all stations are indicating normal operation. Ensure that the networking software is configured properly to match the installed network. If you encounter errors or abnormal operation, proceed to Chapter 4, Testing and Troubleshooting.
INSTALLATION 3-16
CHAPTER 4 TESTING AND TROUBLESHOOTING This chapter contains procedures for testing the MRXI after you connect it to the network. It also describes LANVIEW and includes instructions for using the LCD display to troubleshoot physical layer network problems. 4.1 INSTALLATION CHECK-OUT After you connect the MRXI to the network, verify that packets pass between all Ethernet devices connected to the MRXI and any other devices connected to the network.
TESTING AND TROUBLESHOOTING • Network management has disabled the port. • The port is segmented either because the collision detector was on for more than 110 µsec or the MRXI detected more than 30 consecutive collisions on the attached segment. The affected port remains segmented until a good packet is transmitted/received without collisions. If the LNK LED is still not lit, contact Cabletron Systems Technical Support. 4.
TESTING AND TROUBLESHOOTING EPIM-T EPIM-F1/2 MRXI TPT-T AUI CABLE 9 LAN-MD LAN-MD FOT-F FIBER OPTIC (EPIM-F1/F2) TO UNSHIELDED TWISTED PAIR (EPIM-T) AUI CABLE AUI CABLE MRXI TPT-T AUI CABLE EPIM-C LAN-MD LAN-MD COAX (EPIM-C) TO UNSHIELDED TWISTED PAIR (NETWORK PORT) AUI (EPIM-A) TO UNSHIELDED TWISTED PAIR (EPIM-T) AUI CABLE LAN-MD AUI CABLE AUI CABLE MRXI TPT-T A LAN-MD EPIM-A EPIM-T Figure 4-1 Test Connections for MRXI Segments a.
TESTING AND TROUBLESHOOTING b. EPIM-F1 or EPIM-F2 installed in the MRXI: 1.) Connect a properly functioning Cabletron Systems FOT-F Fiber Optic Transceiver to the device end of the Fiber Optic Link Segment coming from the EPIM-F1/F2. 2.) Connect a LAN-MD to the FOT-F by using an AUI cable. c. EPIM-C installed in the MRXI: 1.) Connect a transceiver and an AUI cable to the Thin-net segment. 2.) Connect a LAN-MD to the AUI cable. d. EPIM-A installed in the MRXI: 1.
TESTING AND TROUBLESHOOTING 4.3 USING LANVIEW LANVIEW is Cabletron Systems’ built-in visual diagnostic and status monitoring system. Using LANVIEW, your network troubleshooting personnel can quickly scan the LANVIEW LEDs to observe network status or diagnose network problems, and determine which node or segment is faulty. Figure 4-2 shows the locations for each of the front panel LANVIEW LEDs.
TESTING AND TROUBLESHOOTING LNK (Green) When this LED is lit, it indicates an established link between the associated twisted pair segment and the 10BASE-T device at the other end of the segment. This LED will remain lit as long as a link is maintained If a port receives no data for 16 msec from the device at the other end of the segment, a positive link test pulse of 100 nsec is sent onto the transmit link of the twisted pair cable.
TESTING AND TROUBLESHOOTING LCD Display MRXI-24 10BASE-T HUB with LANVIEW M The Complete Networking Solution DISPLAY RESET Figure 4-3 LCD Display The LCD displays four types of messages: • Static System Messages • Alarm Messages • Unsaved Initialization Messages • Saved System Messages Static System Messages These messages display MRXI configuration information. To view the Static System Messages, momentarily press the display button at the side of the LCD window.
TESTING AND TROUBLESHOOTING MAC Address 00001dxxxxxx Displays the MAC address. RAM Image Rev. xx.xx.xx Displays the revision number of the Flash EEPROM. The revision increments each time you download new software to the Flash EEPROM. Boot PROM Rev. xx.xx.xx Displays the revision number of the internal Boot PROM. The revision increments each time you change the Boot PROM. Flash Programmed xx Times Displays the number of times you download new software to the Flash EEPROM.
TESTING AND TROUBLESHOOTING Displayed Messages Comments Port xxxxxx Segmented Displays segmentation status of network ports 1-24, EPIM-1 or EPIM-2. Port xxxxxx UnSegmented Displays segmentation status of network ports 1-24, EPIM-1, or EPIM-2. Port xxxxxx Link Established Displays link status of network ports 1-24, EPIM-1 or EPIM-2. Port xxxxxx Not Linked Displays link status of network ports 1-24, EPIM-1 or EPIM-2. EPIM-x Inserted Displays installation status of EPIM-1 or EPIM-2.
TESTING AND TROUBLESHOOTING Cable Redundancy Enable Port xx Indicates redundant link enabled at ports 1-24. No Messages in Queue x No Alarm messages. Unsaved Initialization Messages These are power-up messages that appear on the LCD display as the event occurs but are not saved in a buffer for future recall. Unsaved Initialization Messages include initializing unit, download, and unit ready messages. If Failure or Error messages appear, call Cabletron Technical Support.
TESTING AND TROUBLESHOOTING Cabletron TFTP Req. State Cabletron TFTP in Progress Cabletron TFTP Complete Cabletron Erasing Flash Cabletron Programming Flash Cabletron Flash Programmed Cabletron Boot Complete Cabletron Test in Progress Saved System Messages Saved System Message are device related startup or boot strap messages, BOOTP/TFTP host, or startup error messages. To display Saved System Messages, press the display button and hold for two seconds while in the Alarm Messages display.
TESTING AND TROUBLESHOOTING 4-12
CHAPTER 5 LOCAL MANAGEMENT Local Management provides unique management and control capabilities for the MRXI. Local Management supplies the tools to manage the MRXI and all of its attached segments.
LOCAL MANAGEMENT MRXI-24 CONSOLE CABLE MANAGEMENT TERMINAL Figure 5-1 Management Terminal Connection Table 5-1 lists the setup requirements for the local management terminal. If your terminal is a Digital Equipment Corporation VT 320™ terminal, press F3 to access the Setup Directory. If you have a terminal emulation of the Digital Equipment terminals, refer to your equipment user manual for setup procedures.
LOCAL MANAGEMENT Table 5-1 Terminal Setup Requirements MENU Display Setup: General Setup: Communications Setup: Keyboard Setup: 5.1.
LOCAL MANAGEMENT Pin 1 RJ-45 CONSOLE PORT RJ-45 TO 25 PIN CABLE FEMALE - 25 Pin "D" Shell Connector RECEIVE 4 2 TRANSMIT TRANSMIT 1 3 RECEIVE SIGNAL GROUND 5 7 SIGNAL GROUND DATA SET READY 2 20 DATA TERMINAL READY DATA TERMINAL READY 6 5 CLEAR TO SEND CONSOLE PORT RJ-45 LOCAL MANAGENT CONSOLE TRANSMIT 1 2 RECEIVE RECEIVE 4 3 TRANSMIT SIGNAL GROUND 5 5 SIGNAL GROUND DATA SET READY 2 7 READY TO SEND DATA TERMINAL READY 6 8 CLEAR TO SEND RJ-45 TO 9 PIN CABLE Figur
LOCAL MANAGEMENT 5.1.2 Modem Cable Configuration To access Local Management with a modem use an RS-232 cable available from Cabletron Systems. This cable connects the modem to the MRXI Modem port. Figure 5-3 shows the pin-out for a cable and a RJ-45 connector at the MRXI end of the cable.
LOCAL MANAGEMENT 5.2 ACCESSING LOCAL MANAGEMENT After ensuring that your terminal is properly configured, and that the physical cable connections are correct, you can access the Local Management interface. To access Local Management: 1. Turn the terminal on. The MRXI Password screen, Figure 5-4, appears. MRXI-960 LOCAL MANAGEMENTCabletron MRXI Revision x.xx.xx CABLETRON Systems,Incorporated 35 Industrial Way, P.O. Box 5005 Rochester, NH 03867-5005 USA (603) 332-9400 (c) Copyright CABLETRON Systems Inc.
LOCAL MANAGEMENT 3. Press the Return key. • If your password entry is invalid, the cursor returns to the beginning of the password entry field. • If your password is valid, the associated access privilege appears briefly, then the MRXI Local Management Feature Selection screen, Figure 5-5, appears. Note: If you do not use the terminal keyboard for 15 minutes, your Local Management session ends and the screen defaults to the Password screen. MRXI-960 LOCAL MANAGEMENT Cabletron MRXI Revision x.xx.
LOCAL MANAGEMENT If you have super-user access, you can change the existing passwords by changing the community names. Only the community name assigned super-user access is given full management privileges. 5.3.1 Accessing the Community Name Table Screen To access the Community Name Table screen from the Feature Selection screen, use the arrow keys to highlight the Community Name Table option and press the Return key, or press F6. The Community Name Table screen, Figure 5-6, appears.
LOCAL MANAGEMENT Basic-Read This allows read-only access to Local Management, but excludes read privileges to the Component Trap screen. Read-Only This allows read-only access to Local Management, but excludes access to security protected fields of the upper levels of authorization (read-write or super-user). Read-Write This allows you to read and write to Local Management fields, excluding IP Address, SubNET Mask, and Community Names.
LOCAL MANAGEMENT 5. Use the arrow keys to highlight the SAVE command at the bottom of the screen and press the Return key (or press F6). The message “SAVED OK” appears indicating that your edits are saved to memory. Please note that the first time you try to exit the screen without saving your changes you will get a “NOT SAVED?” message. If you proceed to exit without saving, you will lose your edits. 6.
LOCAL MANAGEMENT MRXI-960 LOCAL MANAGEMENT Cabletron MRXI Revision x.xx.xx CONFIGURATION I/F 1 IP Address 000.000.000.000 SubNET Mask 000.000.000.000 MAC Address 00-00-1d-05-dc-36 Default Gateway: 0.0.0.0 Serial Port 1 Application: CONSOLE Baud Rate: 9600 --ACTIVE-Serial Port 2 Application: OFFLINE Baud Rate: N/A Port LOCK Override: OVERRIDE DISABLED Port ENABLE Override: OVERRIDE DISABLED SAVE IP F6 COMMUNITY NAMES F7 Figure 5-7 5.4.
LOCAL MANAGEMENT Default Gateway Displays the default gateway for the MRXI. This field is not defined until an appropriate value is entered. The default gateway identifies the default gateway device that will forward packets to other IP subnetworks. Serial Port 1 Application Displays the port’s application setting as CONSOLE. Serial Port 2 Application Displays the port’s application setting as OFFLINE or UPS.
LOCAL MANAGEMENT 5. Enter the subnet mask into this field. The format for this entry is XXX.XXX.XXX.XXX with values for XXX being from 0 to 255. 6. Press the Return key. 7. Use the arrow keys to highlight the SAVE IP option and press the Return key, (or press F6). The message “SAVED OK” appears and the changes are saved to memory. Please note that the first time you try to exit the screen without saving your changes, you will get a “NOT SAVED?” message.
LOCAL MANAGEMENT To disconnect from a UPS through the Local Management: 1. Use the arrow keys to highlight the Serial Port 2 Application: field. 2. Press the Return key so that “OFFLINE” appears. You are now disconnected from the UPS. 3. Use the arrow keys to highlight Disconnect? and press the Return key. 4. Enter Y if you want to disconnect the UPS; N if you do not want to disconnect. If you pressed Y, you are disconnected from the UPS. 5.4.
LOCAL MANAGEMENT To set the Port ENABLE Override: 1. Use the arrow keys to highlight the Port ENABLE Override field. 2. Press the Return key. The adjacent field displays “ENABLE PORTS Y/N”. 3. Enter Y to continue enabling all of the ports, or N to discontinue the port enable override. If you answer Y, all existing ports are enabled, and the message “PORT ENABLED” appears. 4. To exit the Configuration screen, press the appropriate Function key.
LOCAL MANAGEMENT MRXI-960 LOCAL MANAGEMENT Cabletron MRXI Revision x.xx.xx TRAP TABLE SNMP Community Name Traps SAVE COMMUNITY NAMES F6 F7 Figure 5-8 5.5.2 Trap IP Address N N N N N N N N 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.
LOCAL MANAGEMENT 3. Use the arrow keys to highlight the Traps field and enter Y (or y) to send alarms from the MRXI to the workstation, and N (or n) to prevent alarms from being sent. 4. Press the Return key. 5. Use the arrow keys to highlight the appropriate Trap IP Address field. 6. Enter the IP address of the workstation to send traps using this field. The format for this entry is XXX.XXX.XXX.
LOCAL MANAGEMENT 5.6.1 Accessing the SNMP Tools Screen To access the SNMP Tools screen from the Features Selection screen, use the arrow keys to highlight the SNMP Tools Support option and press the Return key or F9. The SNMP Tools screen, Figure 5-9 appears. MRXI-960 LOCAL MANAGEMENT Cabletron MRXI Revision x.xx.xx SNMP TOOLS COMMUNITY NAME: public OID PREPEND: 1.3.6.1 GET F6 SET F7 GETNEXT F8 WALK RECALL-OID F9 STEP CYCLES REPEAT RETURN F10 Figure 5-9 5.6.
LOCAL MANAGEMENT Set Lets users with read-write and super-user authorization change modifiable MIB objects, using SNMP protocol. Get Next Displays the OID following the current OID. Walk Scrolls you through a section of the MIB leaf by leaf, from a user-specified object identifier. Leaves are the sections of the OID separated by periods. When a walk is initialized you will see the following categories for each walk entry, or step. Specified OID - gives the number tag for that OID.
LOCAL MANAGEMENT Other ways to view OIDs from the SNMP Tools screen, include walking, stepping, and cycling. Walk and cycle let you review several OIDs at a time. Getting and Setting Individual OIDs To get an OID: 1. Highlight GET, using the arrow keys, and press the Return key (or press the F6 function key). “ OID (=|F9)” appears. 2. Enter the OID either by: • using the keyboard to enter the OID minus the OID’s prepend (e.g., if the prepend is 1.3.6.1, and you enter 4.1.3, then the OID=1.3.6.1.4.1.
LOCAL MANAGEMENT 2. Enter the desired OID, or OID extension. (Press F9 to recall the last OID request. You can then modify the recalled OID as necessary.) 3. Press the Return key. If there is no instance of that OID, the return code will specify “MIB_NO_INSTANCE”, otherwise, information about that OID’s data type, length, and value appear. To set an OID: 1. Highlight SET, using the arrow keys, and press the Return key (or press the F7 function key). “ OID (=|F9)” appears. 2.
LOCAL MANAGEMENT To walk through: 1. Highlight Walk, using the arrow keys, and press the Return key. “ OID (=|F9)” appears. 2. Enter the OID (minus the prepend) and press the Return key. The screen will begin walking through the sublayers of the MIB available from the specified OID. Each OID listed displays the specified OID, its size, its type, and the data it contains. 3. Press the Space Bar to stop the walk, or wait for “***MIB WALK COMPLETED***” to appear on the screen.
LOCAL MANAGEMENT MRXI-960 LOCAL MANAGEMENTCabletron MRXI Revision x.xx.
LOCAL MANAGEMENT 5-24
POWER SUPPLY CORD The mains cord used with this equipment must be a 2 conductor plus ground type with minimum 0.75 mm square conductors and must incorporate a standard IEC appliance coupler on one end and a mains plug on the other end which is suitable for the use and application of the product and that is approved for use in the country of application. GERMAN: Die Netzleitung, die mit diesem Geraet benuetzt wird, soll einen zwei Leiter mit Erdleiter haben, wobei die Leiter mindestens 0.
