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Gigabit Ethernet Modules 39
Cabling the 1000BASE GBIC Module
The 1000BASE GBIC module provides one GBIC
(Gigabit Interface Converter) port that accepts one of
these transceivers:
■
1000BASE-LX GBIC
— Use this transceiver to
connect the GBIC module directly to a single-mode
fiber-optic cable or to multimode fiber using a
conditioned launch cable. For instructions on using
this transceiver to connect to single-mode fiber,
follow the procedure in this section. To connect
this transceiver to multimode fiber, see
“Connecting the LX Transceiver to MMF” on
page 41 for details.
■
1000BASE-SX GBIC
— Use this transceiver to
connect the GBIC module directly to multimode
fiber-optic cable. For details, follow the procedure
in this section.
To ensure optimal compatibility, performance, and
regulatory compliance, use only GBIC transceivers and
conditioned launch cables that 3Com supports. For a
list of currently supported GBICs and launch cables,
visit this 3Com Web site:
http://www.3Com.com/gigabit_ethernet/gbics
To cable the 1000BASE GBIC module:
1 Read and follow the “Fiber and Laser Safety
Precautions” on page 35 for safe operation.
2 Insert the GBIC transceiver into the GBIC port until it
clicks into place, as shown in Figure 16. See the
GBIC
Transceiver Installation Guide
for details.
Figure 16
Inserting the GBIC Transceiver
C
1000 BASE (GBIC)
3C35330
PWR
INS
ERR
L
E
T
INS
MODEM
TERMINAL
ETHERNET
10BT
1000BASE GBIC module
GBIC port
Duplex SC connector
GBIC transceiver