User Manual
2
4-Port Gigabit Ethernet Interface Module (GBIC) Quick Start Guide
Each module has four ports on the front panel. Figure 1 shows the
location of the components on the front panel of the Gigabit Ethernet
Interface Module.
Figure 1
Front Panel of the 4-port Gigabit Ethernet Interface Module (
GBIC)
In the 7-slot chassis, you install the module horizontally with the LEDs at
the left. In the 8-slot chassis and 16-slot chassis, you install the module
vertically with the LEDs at the top.
Audience Description
This guide is intended for trained technical personnel only. Do not
attempt to install, remove, or replace a CoreBuilder 9000 Gigabit
Ethernet Interface Module 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 Gigabit Ethernet Interface Module.
WARNING: Hazardous energy exists within the system. Use extreme
caution when you install, remove, or replace any module when the
system is on:
■ Never insert metal objects such as a screwdriver or a finger with
jewelry into open module slots.
■ Do not touch any connections within the chassis with your hands or
fingers.
3CB9LG4
MOD STAT
1
2
2
3
4
Ejector handle
Ejector handle
Module Status LED
Port Status LEDs
GBIC ports
Model number
1
RX
TX
RX
TX
3
RX
TX
4
RX
TX










