Nortel Networks BCM1000 Benutzerhandbuch

208 Chapter 18 Replacing a power supply

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Monitor the power LED. Refer to 

.

The Business Communications Manager system starts up when you connect the ac power 
cord. This takes several minutes to complete.

The redundant power supply allows you to change a failed power supply without turning off the 
system. You can add a redundant power supply to a BCM1000 currently equipped with a standard 
power supply.

 provides an overview of the steps required to upgrade your system from a standard 

power supply to a redundant power supply module.

Figure 115   Process Map: Upgrading to a redundant power supply

Table 43   Power supply LED

Indicates state of system power. OK

N/A

at least one power supply 
requires attention*

N/A

*Older models may not have a 
Red LED

 into