Nortel 1000E Maintenance Manual page 16

16 Precautions
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During repair and maintenance procedures:
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Copyright © 2007, Nortel Networks
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Store the cards in protective packing. Do not stack cards on top of each
other unless they are packaged.
Store the cards in a dry dust-free area.
Turn off the power switch, if there is one.
Software-disable the cards, if applicable, before they are removed or
inserted.
Hardware-disable the cards, whenever there is an enable/disable switch,
before they are removed or inserted.
Insert the cards into compatible slots only.
Return defective or heavily contaminated cards to a repair center; do not
try to repair or clean them.
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007