Service manual

5
RRP 2: Redundant Power Supply
5-7
Removal and Replacement Procedures
RRP 2: Redundant Power Supply
Use the following procedures to remove or replace a redundant
external power supply. A list of required tools is provided.
Tools Required A door key with 5/16-inch socket (provided with the FC-512
Fabricenter equipment cabinet) is required.
Removal To remove a redundant external power supply:
1. If the product is not rack-mounted, go to step 2. If the product is
rack-mounted, perform one of the following:
If the product is installed in an FC-512 Fabricenter equipment
cabinet, insert the 5/16-inch door tool into the socket hole at
the right top of the door (front or rear). Turn the tool counter-
clockwise to unlock and open the door.
If the product is installed in a customer-supplied equipment
cabinet, unlock and open the cabinet door (front or rear) as
directed by the customer representative.
2. Identify the defective power supply from:
The extinguished green LED on the FRU.
At a web browser communicating with the EFCM Basic
Edition interface or at the management server (Element
Manager application), FRU failure information displayed at
the Hardware View, FRU List View, or Event Log.
3. Disconnect the AC power cord from facility power.
DANGER
Disconnect the power cords. (D005)
4. Twist the external power supply adapter cord counterclockwise
to unlock the connection, then disconnect the cord from the
threaded output jack at the rear of the switch chassis as shown in
Figure 5-2. Remove the power supply.