Cabletron Systems STH-24 User's Guide download pdf (Page 68)

Page A-1

APPENDIX A

TPIM Speciﬁcations

A.1 Overview

Token Ring Port Interface Modules (TPIMs) are media adapter cards

which extend network connections onto a variety of media. When

installed into Ring In and Ring Out ports, TPIMs support the expansion of

a Token Ring from the host module into other devices. Each TPIM has a

different type of cable port to support a different media connection. Table

A-1 lists each available Cabletron Systems TPIM and its respective

connector.

The LNK (Link) LED on the face of each TPIM indicates the following:

• Green - Inserting.

• Red (TPIM-T1/T2/T4 only) - No Link (Autowrapped)

• Off - No Link (Wrapped or Disabled)

All Cabletron TPIMs are interchangeable and hot-swappable.

A.2 Twisted Pair TPIM Pinouts

Each TPIM that supports Twisted Pair cabling has two operating modes:

Ring In / Ring Out and Station. For use with STHI, the TPIM is switched

to operate in Ring In/ Ring Out mode. The pinouts for TPIMs in station

applications are different from pinouts for Ring In / Ring Out

applications. Illustrations of the Ring In / Ring Out pinouts follow.

Table A-1. TPIMs and their Corresponding Media

TPIM Media Type Connector

TPIM-T1 Shielded Twisted Pair DB9

TPIM-T2 Unshielded Twisted Pair RJ45

TPIM-T4 Shielded Twisted Pair RJ45

TPIM-F2 Multimode Fiber Optic ST

TPIM-F3 Single mode Fiber Optic ST

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 76 77

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Cabletron Systems STH-24 User's Guide Page 68