Chapter 6 Fabric Card Service Procedures 6-7
The disableboard command completely powers down (disable) a fabric card so
that it can be removed from the chassis. For example, to disable fabric card 14:
6.5 Removing Fabric Cards
This procedure describes how to remove one fabric cardas part of a replacement
operation.

▼Removing a Fabric Card

Caution – Before beginning this procedure, have a fabric cardfiller panel or
replacement fabric card preparedand standing by for immediate installation. A
quick exchange is necessary to maintain chassis thermal management.
Caution – If you are going to immediately replace a defective fabric card with a
new one, inspect and preparethe new fabric card,performing Step 1 through Step 6
in “Installing a Fabric Card” on page 6-8 before starting this procedure.
Removing the fabric card is a two-person task, as both people must work in a
synchronized manner.To prevent damage to the fabric card or the pins of the
midplane connector,the two installers perform identical tasks simultaneously.
1. Extend the antitilt bar from the bottom of the switch chassis.
2. Power off the fabric card, using the deactivate and disableboard
commands.
3. Using a 17 mm socket and ratchet, turn each retainer drive screw
counter-clockwise until no resistance is felt.
4. Slowly rotate each retainer drive screw counter-clockwise, until resistance is
felt, then stop.
5. Simultaneously rotatethe retainer drive screws clockwise, stopping at each half
turn, to maintain synchronization.
6. Continue synchronized rotation until greater resistance is felt, then stop.
#disableboard fc 14
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