Audience Description; Safety Precautions - 3Com CoreBuilder 9000 Quick Start Manual

2 20-Port 100BASE-FX (MT-RJ) Fast Ethernet Layer 2 Switching Module Quick Start Guide
Figure 1 shows the components on the front panel of the module. The
front panel ports on the module are numbered 1 through 20. The two
1-Gigabit ports on the back of the module are numbered 21 and 22.
Figure 1 Front Panel of the 100BASE-FX (MT-RJ) FEN Module
Ejector handle Ejector handle
Module Status LED
Port Status LEDs
MT-RJ ports Model number
100BASE-FX
In the 7-slot chassis, you install modules horizontally with the LEDs to the
left. In the 8-slot chassis and 16-slot chassis, you install modules vertically
with the LEDs at the top.
This guide is intended for trained technical personnel only. Do not

Audience Description

attempt to install, remove, or replace CoreBuilder 9000 Fast Ethernet
Switching Modules if you have not had the proper training from 3Com.
For training information in the United States and Canada, call
1-800-NET-3COM. For training information in other countries, visit the
3Com Web site:
http://www.3com.com

Safety Precautions

When you handle components in a CoreBuilder 9000 system, be sure
that you follow all safety precautions. To avoid electric shocks, burns, or
equipment damage, read and follow these warnings:
WARNING: Allow only trained service personnel to install, remove, or
replace a FEN Switching Module.