The GBICs are available in different case styles (Figure 12). One type has two spring tabs at the front of the GBIC; the other type has an extractor handle on the front. GBICs are shipped with a protective rubber plug in the connectors. Leave the plug in place when no cables are connected to the GBIC.

GBIC model with

GBIC model with

extractor tabs

extractor handle

9702FA

Figure 12. GBIC Case Styles

Installation

The 450-1GBIC MDA Host port is covered with a spring-loaded filler panel that rotates out of the way as you push the GBIC into place. You can install or replace a GBIC in an operating 450-1GBIC MDA without turning off power to the switch.

Note: The MDAs are not hot-swappable. Power down the switch before installing or removing an MDA.

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Nortel Networks Installing Media Dependent Adapters manual Installation, Gbic Case Styles