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

Removing and Replacing an AC-Input Power Supply

Removing and Replacing an AC-Input Power Supply
The Cisco 12012 supports up to four AC-input power supplies. While the AC-input power
supplies support online insertion and removal, you must observe the following conditions:
•
If your Cisco 12012 is configured with two AC-input power supplies, you must power
off the system before removing and replacing a defective power supply.
•
If your Cisco 12012 is configured with three or four AC-input power supplies, you can
remove and replace one power supply while the system remains powered up.
Warning
supplies.
You need the following tools to perform this procedure:
•
1/4-inch flat-blade screwdriver
•
ESD wrist strap
•
The replacement AC-input power supply (Product Number PWR-GSR12-AC=) and the
applicable AC power cord for your site
Caution

Removing an AC-Input Power Supply

Perform the following steps to remove an AC-input power supply:
Step 1
Step 2
7-12 Cisco 12012 Gigabit Switch Router Installation and Configuration Guide
AC operation requires a minimum configuration of two AC-input power
Do not mix AC-input and DC-input power supplies in a Cisco 12012.
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 the power switch to the STANDBY
position on the power supply you want to remove. (See Figure 7-6a.)