Document Outline

• CentreCOM
• AT-MR420TR AT-MR820TR
  • Installation Guide
• Electrical Safety and Installation Requirements
• U.S. Federal Communications Commission
• Canadian Department of Communications
  • Table of Contents
    • Chapter1
    • Chapter2
    • Chapter3
    • Chapter4
    • AppendixA
    • AppendixB
    • AppendixC
    • AppendixD
    • AppendixE
    • AppendixF
  • About This Guide
    • Document Conventions
    • Contacting ATI Technical Support
      • Telephone and Fax
      • Bulletin Board Services
      • Internet Mail
      • CompuServe Forum
      • World Wide Web
• Chapter1
  • Product Description
    • Figure1: AT-MR420TR and AT-MR820TR Front Panels
    • Figure2: AT-MR420TR and AT-MR820TR Rear Panels
      • Packet Regeneration
      • Link Integrity
      • Auto-partitioning
      • Jabber Lock-up Protection
    • Figure3: Network Media Options
    • Figure4: Backbone Switches
• Chapter2
  • Installation
  • Site Requirements
    • Ventilation
    • Power
  • Quick Installation
    • 1. Carefully remove the AT-MR420TR/AT-MR820TR Micr...
    • 2. Place them in a location with adequate ventilat...
    • 3. Apply power by plugging in the AC cord and ensu...
    • 4. If you are connecting to a backbone network, pr...
    • 5. Attach your 10Base-T STP/UTP cables, with RJ45 ...
    • 6. If the AT-MR420TR/AT-MR820TR Micro Repeaters ar...
  • Connections
    • RJ45 Ports
    • AUI Network Port
    • BNC Network Port
  • LED Status Indicators
    • Network Load Indicators
      • Figure5: Network Load Indicators
    • Port Status Indicators
      • Figure6: Port Indicators
    • Hub Status Indicators
      • Figure7: Hub Status LEDs
      • Table 1: Hub Status LEDs
  • System Check
    • 1. Check the LINK OK LED on the front panel for th...
    • 2. After a successful connection, disconnect the a...
    • 3. Establish a connection from a device connected ...
    • 4. Once the connection between devices attached to...
    • 5. If all ports test successfully, install the res...
• Chapter3
  • Connectivity
  • Four Media Connectors
    • AC Power Connector
      • Figure8: Power Connector
    • 10Base-T Network Specifications
      • Table 2: IEEE 802.3 Network Specifications
    • AUI Port
      • Figure9: AUI Network Port
        • 10Base5 (Thick) Ethernet Cable
        • AUI Drop Cables
    • BNC Port
      • 10Base2 (Thin) Ethernet
      • Figure10: BNC-T Connector
    • Twisted Pair (RJ45) Connector
      • Figure11: RJ45 Connector
        • 10Base-T Cable
        • Hub to MAU Wiring
  • Topology
    • Figure12: AT-MR420TR Standalone Topology
    • Figure13: AT-MR820TR Four Cascaded Repeaters
      • The Four-Repeater Rule.
    • Figure14: Terminator Switch
    • Figure15: AT-MR820TR Backbone Topology
    • MDI/MDI-X Switch and Uplink Port
      • Figure16: Uplink Port for MR420TR/820TR
    • 10Base5 Backbone
      • Figure17: 10Base5 Backbone Topology
    • 10Base2 Backbone
      • Figure18: AT-MR820TR on a Backbone Using the BNC...
    • Fiber Optic Backbone
      • Figure19: AT-MR820TR on a Fiber Optic Backbone
        • 10Base-FOIRL
        • 10Base-FL.
    • Technical Specifications
  • The AT-MR420TR/AT-MR820TR Specifications
    • Physical
    • Electrical Rating
    • Connector Ports
    • Environmental
    • Diagnostic LEDs
    • Certification
  • 10Base-T Pin Assignments
    • Connectors
      • Figure20: Connector Pin Numbers
      • Table 3: Pin Assignments
    • 1
    • TX+
    • 2
    • TX-
    • 3
    • RX+
    • 6
    • RX-
  • Straight-through Wiring
    • Table 4: Straight-through RJ45 Pin Assignments
    • 1 (TX+)
    • 1 (TX+)
    • 2 (TX-)
    • 2 (TX-)
    • 3 (RX+)
    • 3 (RX+)
    • 6 (RX-)
    • 6 (RX-)
  • Crossover Wiring
    • Table 5: Crossover RJ45 Pin Assignments
    • 1 (TX+)
    • 3 (RX+)
    • 2 (TX-)
    • 6 (RX-)
    • 3 (RX+)
    • 1 (TX+)
    • 6 (RX-)
    • 2 (TX-)
  • 5 - 4 - 3 Rule
    • Glossary
      • Technical Support Fax Order
        • CentreCOM AT-MR420TR/AT-MR820TR Guide Feedback
          • Where To Find Us
          • Asia Singapore, Taiwan, Thailand, Malaysia, Indone...
          • (+65) 3815-613
          • (+65) 3833-830
          • Australia
          • Australia, New Zealand
          • (612) 416-0619
          • (612) 416-9764
          • France France, Belgium, Luxembourg, The Netherland...
          • (+33) 1-60-92-15-32
          • (+33) 1-69-28-37-49
          • Germany Germany, Switzerland, Austria, Eastern Eur...
          • (+49) 30-435-900-126
          • (+49) 30-435-70-650
          • Hong Kong
          • (+852) 2-529-4111
          • (+852) 2 529-7661
          • Italy Italy, Spain, Portugal, Greece, Turkey, Isra...
          • (+39) 2-416047
          • (+39) 2-419282
          • Japan
          • (+81) 3-3443-5640
          • (+81) 3-3443-2443
          • North America United States, Canada, Mexico, Centr...
          • 1 (800) 428-4835
          • 1 (206) 481-3790
          • United Kingdom United Kingdom, Denmark, Norway, Sw...
          • (+44) 1-235-442560
          • (+44) 1-235-442490
          • Technical Bulletin Board Service
          • 1 (206) 483-7979
          • CompuServe
          • Go ALLIED
          • World Wide Web
          • http://www.alliedtelesyn.com
        • Allied Telesyn International Corp. 19015 North Cre...
        • Allied Telesyn International Corp. 950 Kifer Road ...
        • Index
          • Numerics
          • A
          • B
          • C
          • D
          • E
          • F
          • G
          • I
          • L
          • M
          • N
          • O
          • P
          • R
          • S
          • T
          • U
          • V
          • W