Removing And Replacing A Dc-Input Power Supply; Removing A Dc-Input Power Supply - Cisco GSR12/60 - 12012 Router -AnyLAN, SONET/SDH Installation And Configuration Manual

Removing and Replacing a DC-Input Power Supply

The Cisco 12012 supports up to two DC-input power supplies. If one power supply fails in
systems configured with two DC-input power supplies, the second supply has sufficient
capacity to maintain uninterrupted operation of the router while you replace the defective
power supply.
You need the following tools to install or replace a DC-input power supply:
•
1/4-inch flat-blade screwdriver
•
ESD wrist strap
•
Voltmeter
•
10-mm nutdriver
•
The replacement DC-input power supply (Product Number PWR-GSR12-DC=)
Caution
Note
will need a source DC power cable and lead terminals to connect source DC power to the
DC-input power supply. These parts are not available from Cisco Systems; they are
available commercially. (For details on the type of DC power cable to use, refer to the
section "Installing a New or Replacement DC-Input Power Supply" in this chapter.)

Removing a DC-Input Power Supply

Perform the following steps to remove a DC-input power supply:
Step 1
Step 2
Do not mix AC-input and DC-input power supplies in a Cisco 12012.
If you are upgrading your Cisco 12012 with a second DC-input power supply, you
Attach an ESD wrist strap to your wrist and to one of the two ESD connection
sockets located on the front edges of the upper card cage or to bare metal on the
frame.
If you have not already done so, turn OFF (O) the power switch on the DC-input
power supply.
Removing and Replacing a DC-Input Power Supply
Maintaining the Cisco 12012 7-19