Cisco Cisco Unified MeetingPlace 5.3 Maintenance Manual

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Power Supply Replacement Procedure for the Cisco MeetingPlace 8112
OL-6464-01
  Before Replacing the Power Supply
Before Replacing the Power Supply
This section contains the following topics:
Checking the New Power Supply for Damage
Visually inspect your new Cisco MeetingPlace 8112 power supply for damage. Contact Cisco TAC if the 
Cisco MeetingPlace 8112 power supply that you received was damaged during shipping or if parts are 
missing.
Ensuring That You Have the Required Tools
Ensure that you have the following tools to replace the power supply for your Cisco MeetingPlace 8112:
Phillips #2 screwdriver
ESD protection
How To Replace the Power Supply
The Cisco MeetingPlace 8112 has three power supplies. During normal operation, the load is distributed 
between the three power supplies. If one power supply fails, the other two power supplies continue to 
power the Cisco MeetingPlace 8112. If two power supplies fail at the same time, the remaining power 
supply can continue to support some configurations but may fail when the Cisco MeetingPlace 8112 
reboots.
Note
You can replace a failed power supply without interrupting the Cisco MeetingPlace 8112 operation. You 
do not need to power down your Cisco MeetingPlace 8112 to replace a failed power supply.
To determine if a power supply has failed, you can use telnet to view the status of the power supplies or 
you can scan the LEDs on the front panel of the power supply.
Replacing a power supply for the Cisco MeetingPlace 8112 consists of the following activities: