Nortel Call Recording Card User Manual page 77

September 2007
Figure 9:
Complete the following tasks during repair and maintenance procedures:
Turn off the circuit breaker or switch for a module power supply before
the power supply is removed or inserted.
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.
Planning, Installation, and Administration Guide
Repair and maintenence
77