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Using the BayStack 420 10/100/1000 Switch
Appendix B
Installing a Gigabit Interface Converter (GBIC)
This appendix describes how to install and remove a Gigabit Interface Converter
(GBIC). It also provides a description of the GBIC, the GBIC label, and GBIC
specifications.
Product description
GBICs are hot-swappable input/output enhancement components designed for use
with Nortel Networks products to allow Gigabit Ethernet ports to link with fiber
optic networks.
The following GBIC versions are available for the BayStack 420 Switch:
• 1000BASE-SX—uses multimode fiber over distances up to 550 meters
• 1000BASE-LX—uses multimode fiber over distances up to 550 meters or
single-mode fiber over distances up to 10 kilometers
• 1000BASE-XD—uses single-mode fiber over distances up to 50 km
• 1000BASE-ZX—uses single-mode fiber over distances up to 70 km
GBICs are available in different case styles. One type has two spring tabs at the
front of the GBIC; the other type has an extractor handle on the front.