Installing A Circuit Card - Nortel Circuit Card 311 Reference

66 Circuit card installation
Figure 15
Static discharge points
During repair and maintenance procedures do the following:
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Installing a circuit card

This procedure provides detailed installation instructions for circuit cards.
Copyright © 2003-2008, Nortel Networks
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Turn off the circuit breaker or switch for a module power supply before
the power supply is removed or inserted.
In AC-powered systems, capacitors in the power supply must discharge.
Wait five full minutes between turning off the circuit breaker and
removing the power supply from the module.
Software disable cards, if applicable, before they are removed or
inserted.
Hardware disable cards, whenever there is an enable/disable switch,
before they are removed or inserted.
Return defective or heavily contaminated cards to a repair center. Do
not try to repair or clean them.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008