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Converting a Chassis from Fixed Configuration Power to Modular Configuration Power
Step 5
Unplug the AC power cords or remove the DC fusing from the power source. Remove the AC or DC wiring from the
rear of the power shelf.
Step 6
Install the new power shelves.
Step 7
Install the power shelf wiring.
If you are converting from DC to AC power, and if you have AC Delta or AC Wye at your equipment, a
Note
Cisco CRS PDU will be required to convert 3-phase AC input power to single-phase AC input power for
the power shelf. For more information, see the Cisco CRS 3-Phase AC Power Distribution Unit Installation
Guide.
Step 8
Install the alarm modules.
Step 9
Install the AC or DC PMs.
Step 10
Power the chassis back up.
What to do next
Note
Use only one type of modular configuration power shelf—AC or DC—and its mating AC or DC PM in a
chassis at one time.
Converting a Chassis from Fixed Configuration Power to
Modular Configuration Power
Caution
Do not attempt to convert from fixed configuration power to modular configuration power while the LCC is
powered up and running. Ensure that you have powered down the system and all power is disconnected from
the system.
This section lists the steps to be performed to convert the LCC from fixed configuration power to modular
configuration power..
Prerequisites
Before performing this task, you must completely power down the system and ensure that all power is
disconnected from the system. See
for more information.
Steps
To convert a chassis from fixed to modular configuration power, perform the following steps
Installing and Removing Power Components
82
Power Up and Power Down a Chassis with Modular Configuration Power
Installing and Removing Power Components
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