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2 getting help, 3 emc39-12 overview – Cabletron Systems EMC39-12 User Manual

Page 9

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Chapter 1:

Introduction

Page 1-2

EMC39-12 User’s Guide

1.2 GETTING HELP

If you need additional support related to the EMC39-12, or if you have
any questions, comments, or suggestions concerning this manual, contact
Cabletron Systems Technical Support:

By phone

(603) 332-9400
Monday-Friday; 8

A

.

M

. – 8

P

.

M

. Eastern Time

By CompuServe

GO CTRON from any ! prompt

By Internet mail

[email protected]

By FTP

ctron.com (134.141.197.25)

Login

anonymous

Password

your email address

1.3 EMC39-12 OVERVIEW

The EMC39-12 converts Ethernet IEEE 802.3 10BASE-T signals to
Ethernet IEEE 802.3j 10BASE-FL signals. The rear panel has a 50-pin
Champ connector (RJ71) that supports twelve twisted pair segments. The
front panel has twelve 10BASE-FL single mode ST ports. Figure 1-1
shows the EMC39-12 ports. The 10BASE-FL connectors are backward
compatible with FOIRL connectors.

Each of the rear panel twisted pair ports has a corresponding fiber port.
For example: Twisted pair Port 1 converts signals to fiber optic port 1,
twisted pair port 2 converts signals to fiber optic port 2, etc.

Figure 1-1

The EMC39-12

Rear View

12X

1X

Front View

EMC39-12

Ethernet Media Converter

WITH

LANVIEW

TPLINK

XMT

RCV

FOLNK

12 11 10 9 8 7 6 5 4 3 2 1

PWR

12

10

9

8

7

6

5

4

3

2

1

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

RX TX

11

EMC39-12

Ethernet Media Converter

emc39bk Page 2 Monday, February 12, 1996 4:21 PM