Note:
After unplugging a power supply, disconnect it from the power source before
you remove or install it in the chassis.
To remove a power supply from the chassis:
1.
Remove the power cables from the power supplies.
2.
With your thumb, push the black locking tab on the right to unlock the power
supply from the chassis.
3.
Holding the handle, pull the power supply until it is completely out of the chassis.
4.
Move the power supply to an ESD-safe location.
Installing a Power Supply
To install a power supply in the Acme Packet 3900 chassis:
1.
Insert the power supply into the empty power supply slot located on the rear panel
of the chassis.
The labels on the power supply face upward.
NOT_SUPPORTED:
NEVER power up a power supply before it is installed in the chassis.
2.
Push the power supply handle until the power supply is engaged with the mid
plane.
3.
Connect the power cord to the power supply.
Chapter 5
Maintenance With Power
5-9