Switch Owner's Manual

204515-C D-1
Appendix D
Installing GBICs
This appendix describes how to install the gigabit interface converters (GBICs) in
the Passport 8108GBIC module.
The following GBIC versions are available for the Passport 8108GBIC switch
module:
• 100BASE-SX—uses multimode fiber over distances up to 550 meters
• 100BASE-LX—uses multimode fiber over distances up to 550 meters or
single-mode fiber over distances up to 10 kilometers (km)
• 100BASE-XD—uses single-mode fiber over distances up to 50 km
• 100BASE-ZX—uses single-mode fiber over distances up to 70 km
GBICs are available in two styles (Figure D-1
). One type has two spring tabs at
the front of the GBIC; the other type has an extractor handle on the front.
Figure D-1. Types of GBICs
GBICs are shipped with a protective rubber plug in the connectors. Leave the plug
in place when no cables are connected to the GBIC.
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