Removing And Replacing The Ac Power Supply - Cisco ASR 903 Installation Manual

Chapter 3 Installing the Cisco ASR 903 Router
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If the LEDs indicate a power problem, see the
Step 4
information.
If you are installing a redundant power supply, repeat these steps for the second power source.
Step 5
If you are installing a redundant AC power supply, ensure that each power supply is connected to a
Note
separate power source in order to prevent power loss in the event of a power failure.

Removing and Replacing the AC Power Supply

This section describes how to remove and replace the AC power supply.
Note The Cisco ASR 903 Router power supplies are hot-swappable. If you have installed redundant power
supply modules, you can replace a single power supply without interrupting power to the router.
To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power
Caution
supply has been removed or replaced.
When you install the unit, the ground connection must always be made first and disconnected last.
Warning
Statement 1046
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning Installation of the equipment must comply with local and national electrical codes. Statement 1074
Follow these steps to remove and replace the AC power supply:
Disconnect the power cord from the power source. Do not touch the metal prongs on the power cord
Step 1
when it is still connected to the power supply.
Remove the power cord from the power connection on the power supply. Do not touch the metal prongs
Step 2
embedded in the power supply.
Loosen the captive installation screws.
Step 3
Grasp the AC power supply with one hand, and slide it part of the way out of the chassis. Place your
Step 4
other hand underneath the power supply, and slide it completely out of the chassis.
OL-25178-03
OUTPUT FAIL LED is green
Chapter 5, "Troubleshooting"for troubleshooting
Cisco ASR 903 Router Hardware Installation Guide
Installing the Power Supply
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