Nortel Networks BCM1000 Telephone User Manual


 
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Installation and Maintenance Guide
Chapter 19
Replacing a power supply
BCM1000s and BCM1000es can have standard or redundant power supplies.
This chapter describes:
how to replace a standard power supply
how to upgrade from a standard power supply to a redundant power supply (BCM1000, 2.0 or
2.5 hardware, or BCM1000e, 2.0 hardware.)
how to replace the power supply module in a redundant power supply system
Replacing a standard power supply
If the BCM1000 or BCM1000e has a standard power supply that fails, then all activity on the
system ceases. Figure 119 provides an overview of the process for replacing a standard power
supply.
Figure 119 Process Map: Replacing a standard power supply
System down
Set up unit for
maintenance
Remove failed
power supply
Install new power
supply
Restore unit to
operation
Check power LED
Reconnect power
supply cables
Check
connections