Cabletron Systems MICROMMAC-22T - Manual

Cabletron Systems MICROMMAC-22T

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Table of Contents:

  • Page 2 – iii; NOTICE; All Rights Reserved
  • Page 3 – FCC NOTICE; Read the instructions for correct handling.
  • Page 4 – LICENSE AGREEMENT; You may not reverse engineer, decompile, or disassemble; EXCLUSION OF WARRANTY AND DISCLAIMER; Except as may be specifically provided by
  • Page 5 – NO LIABILITY FOR CONSEQUENTIAL DAMAGES.; UNITED STATES GOVERNMENT RESTRICTED
  • Page 6 – vii; CONTENTS
  • Page 7 – C O N T E N T S; viii; CHAPTER 4
  • Page 8 – ix
  • Page 9 – Welcome to the Cabletron Systems; -44T Stackable Token Ring Intelligent Hub User’s Guide; NOTE; CONTENTS OVERVIEW; This manual contains the following information:; Introduction; , outlines the contents of this manual and; Requirements/Specifications; network guidelines, and MicroMMAC-T operating specifications.
  • Page 10 – INTRODUCTION; Local Management; , explains how to set up and use a; Troubleshooting; , explains how to monitor the operation
  • Page 11 – : twelve active RJ45 TCU lobe ports that support; MicroMMAC; : twenty-four active RJ45 TCU lobe ports that; SDLC; Telnet; UTP
  • Page 12 – Active TCU Ports; and STP lobe cable; Cable Signal Polarity; Speed Fault Protection
  • Page 13 – Ring Speed Switch; Use the Ring Speed Switch to select either 4 or 16 Mbps ring speed.; Flash EEPROM; TPIM
  • Page 14 – Consult your network manager for DLM setup.; COM Port Applications; Standard MIBs
  • Page 15 – DOT 5 Logical and Physical; RMON MIB Support; Group
  • Page 16 – STACKABLE CAPABILITIES
  • Page 17 – Figure 1-3. Typical Stackable Configuration
  • Page 18 – REMOTE MANAGEMENT CAPABILITIES; Cabletron Systems SPECTRUM; TELNET CAPABILITIES; BRIM Description; Ethernet Connection
  • Page 19 – RECOMMENDED READING; Local Area Networks, Token Ring Access Method
  • Page 20 – CABLE SPECIFICATIONS
  • Page 21 – REQUIREMENTS/SPECIFICATIONS; WARNING; Attenuation and Impedance; Table 2-1. UTP Voice Grade and Category 3 Specifications
  • Page 22 – Maximum Lobe Lengths; UTP Cable Type; Category 3
  • Page 23 – Types
  • Page 24 – Maximum Trunk Lengths; STP Cable Type
  • Page 25 – Mixed Cable Types; meters of Types; Multimode Fiber Optic Cable Specifications; Table 2-6. Multimode Fiber Optic Cable Specifications
  • Page 26 – Fiber Optic Budget; Single Mode Fiber Optic Cable Specifications; Table 2-7. Single Mode Fiber Optic Cable Specifications
  • Page 27 – CABLE RECOMMENDATIONS/TROUBLESHOOTING; Crosstalk
  • Page 28 – Other Considerations; COM PORT SPECIFICATIONS
  • Page 29 – Both COM ports support modem connection.; TPIM SPECIFICATIONS; The LNK (Link) LED on each TPIM provides the following information:
  • Page 32 – Typical; Error Rate: Better than 10
  • Page 33 – For a 4; Fall Time; Parameter
  • Page 34 – GENERAL SPECIFICATIONS; Controller: Texas Instruments TMS380C26; Output; Amps
  • Page 35 – pounds
  • Page 36 – ATTACHING THE STRAIN RELIEF BRACKET; From the MicroMMAC-T installation kit, locate the strain relief
  • Page 37 – INSTALLATION; Figure 3-1. Attaching the Strain Relief Bracket; The temperature in selected location must be between 5
  • Page 38 – Using the four cover screws removed in step 1, attach the
  • Page 39 – Select a wall location within seven feet of a power outlet for the
  • Page 40 – CONNECTING TO A POWER SOURCE
  • Page 41 – SETTING THE RING SPEED; The MicroMMAC-T’s factory-default ring speed setting is 16 Mbps.; To change the ring speed:; Slide the ring speed switch to the desired setting.; RESET BUTTON
  • Page 42 – SETTING THE NVRAM SWITCH; To restore MicroMMAC-T parameters to the factory defaults:; With power-ON, toggle the NVRAM switch from one position to the
  • Page 43 – NOTE: Clearing and resetting NVAM does not reset the date and time.; CONNECTING LOBE PORT CABLING; to
  • Page 46 – To attach a lobe segment to a MicroMMAC-T network port:
  • Page 47 – If the LED doesn’t light, perform the following steps:; INSTALLING TPIM MODULES; Signal
  • Page 49 – To install a TPIM, perform the following steps:; CAUTION: Observe all static precautions while handling TPIMs.
  • Page 50 – To connect a TPIM-T1 to a Twisted Pair Segment:; Insert the DB9 connector on the segment into the DB9 port on the
  • Page 52 – Check that the LNK LED on the TPIM lights green. If the LED lights; red or is not lit, perform each of the following steps:; Connecting Fiber Optic Link Segments
  • Page 53 – As shown in Figure 3-17, attach the fiber labeled 1 to the module’s; Check that the LNK LED on the TPIM lights green. If the LED does; not light, perform each of the following steps:
  • Page 54 – CHECKING THE INSTALLATION
  • Page 55 – Use Local Management to Do the Following:; Control password access to the MicroMMAC-T; MANAGEMENT TERMINAL REQUIREMENTS; Digital Equipment Corporation VT series terminal
  • Page 56 – LOCAL MANAGEMENT; To attach a management terminal to the MicroMMAC-T:; Attach the connecting cable’s male RJ45 connector to either the; Figure 4-1. Management Terminal Connection; Management Terminal Setup Parameters
  • Page 57 – Modem Cable Configuration and Setup; Table 4-1. Terminal Settings for LM Terminal
  • Page 58 – ACCESSING LOCAL MANAGEMENT; To access Local Management:
  • Page 59 – and then press the Return key.; Accessing Local Management via Telnet
  • Page 60 – Accessing Local Management from a Modem; Turn on the modem. The modem must be set for Auto Answer and; USING LOCAL MANAGEMENT; MAIN MENU Screen
  • Page 61 – Figure 4-4. Local Management MENU Screens Hierarchy; Working with Local Management Screens; This section describes how to work with all LM screens.; Selecting a MENU Screen Option; The selected screen appears.; Setting or Modifying Local Management Screen Fields
  • Page 62 – Exiting a Local Management Screen
  • Page 63 – Setting the System Date
  • Page 64 – Setting the System Time
  • Page 65 – The new value appears in the IP Address field.; If the IP Address is correct, highlight the SAVE command and then; The MicroMMAC-T will then do a soft reset.; Modifying the Subnet Mask; Type the Subnet Mask into the field. The format for this entry is
  • Page 66 – Setting the Default Gateway; The MicroMMAC-T will then do a soft reset; Setting Automatic Beacon Recovery Process (ABRP) Fields; NOTE: ARBP is supported only by Cabletron products.
  • Page 67 – To set the Beacon Recovery field:
  • Page 68 – To set the Number of Retries field:
  • Page 70 – Community Name; This field displays designated user names.; Access Policy
  • Page 71 – Trap Destination; This field lets you enable the transmission of SNMP trap messages.; Setting SNMP Traps
  • Page 72 – Highlight the Trap Community Name field.; Highlight the SAVE command and then press the Return key.
  • Page 73 – You can select from two modes of ring security:
  • Page 74 – STATION ADDRESS; NOTE: The NMS receives each station added trap once only.
  • Page 75 – RETURN
  • Page 76 – Highlight the SAVE/EXECUTE command and then press the Return; The SETUP MENU screen appears.; Highlight RING SECURITY and then press the Return key.
  • Page 77 – DEVICE STATISTICS; The
  • Page 78 – Selecting the Device Statistics Counter Mode
  • Page 79 – ISOLATING ERRORS
  • Page 80 – RING INFORMATION; Ring Information provides ring status information.; Unknown; the ring and therefore cannot determine the ring state
  • Page 82 – Frame Copied Errors
  • Page 83 – Mode
  • Page 84 – Use this field to scroll to the next screen.
  • Page 85 – Toggle to a screen mode selection, or press a for ADMINISTRATIVE,; RING OUT ENABLE, and then press the; Setting the REFRESH Field
  • Page 86 – The screen displays the status of ports 13-24 for all modules.
  • Page 87 – Using the ADMINISTRATIVE Mode Screen; Enabling and Disabling ports.; To enable and disable select ports:
  • Page 88 – Toggle between ON and OFF, make your selection, and then press the; All ports are enabled.; To bypass all ports on a module:; The entire module is bypassed from the Token Ring.; To reconnect a module to the token ring:; The module is now connected to the Token Ring.; Using the RING OUT ENABLE Mode Screen
  • Page 89 – To switch to and from STN and RO:
  • Page 90 – Figure 4-13. COMPONENT STATUS VIEW Screen
  • Page 91 – To access a list of MIB commands:
  • Page 92 – Navigational commands; This command changes directories within a MIB sub-tree.; ctron; This command changes directories to the Cabletron MIB.; get; This command provides you with a specified object value.; Special
  • Page 93 – This command shows the next leaf in a path.
  • Page 94 – To download a Flash image:
  • Page 95 – Download Method field
  • Page 96 – To choose the BOOTPROM method:; Highlight the Download Method field; Toggle from RUNTIME to BOOTPROM using the spacebar.
  • Page 97 – USING LANVIEW LEDs; LED NAME
  • Page 98 – TROUBLESHOOTING; USING THE LCD DISPLAY
  • Page 99 – Displayed Message
  • Page 100 – Significance
  • Page 101 – Table 5-4. Unsaved Failure or Error Messages
  • Page 102 – Table 5-5. Normal Unsaved Initialization Messages
  • Page 103 – VIEWING POWER UP DIAGNOSTIC TESTS; Responding to Error Messages; Error messages provide you with three response options:; POWER UP DIAGNOSTIC
  • Page 104 – lets you proceed with the remainder of the
  • Page 105 – POWER SUPPLY CORD
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MICROMMAC-22T/24T/42T/44T

STACKABLE TOKEN RING

INTELLIGENT HUBS

USER’S GUIDE

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Summary

Page 2 - iii; NOTICE; All Rights Reserved

iii 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 ...

Page 3 - FCC NOTICE; Read the instructions for correct handling.

NOTICE iv 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. NOT...

Page 4 - LICENSE AGREEMENT; You may not reverse engineer, decompile, or disassemble; EXCLUSION OF WARRANTY AND DISCLAIMER; Except as may be specifically provided by

NOTICE v CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”) that sets forth your rights and obligations with respect to t...

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