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

Installing the Cisco ASR 903 Router as a Satellite Shelf

Activating the AC Power Supply

SUMMARY STEPS
1. Plug the power cord into the power supply.
2. Connect the other end of the power cord to an AC input power source.
3. Verify power supply operation by checking that the power supply LEDs are in the following states:
4. If the LEDs indicate a power problem, see the
see the
5. If you are installing a redundant power supply, repeat these steps for the second power source.
DETAILED STEPS
Step 1
Plug the power cord into the power supply.
Step 2 Connect the other end of the power cord to an AC input power source.
Step 3 Verify power supply operation by checking that the power supply LEDs are in the following states:
• INPUT OK LED is green.
• OUTPUT FAIL LED is green.
Step 4 If the LEDs indicate a power problem, see the
Cisco ASR 901 Series Aggregation Services Router Hardware Installation
Step 5 If you are installing a redundant power supply, repeat these steps for the second power source.
If you are installing a redundant AC power supply, ensure that each power supply is connected to a separate power source
in order to prevent power loss in the event of a power failure.

Removing and Replacing the AC Power Supply

The Cisco ASR 903 power supplies are hot-swappable. If you have installed redundant power supply
Note
modules, you can replace a single power supply without interrupting power to the router.
When you install the unit, the ground connection must always be made first and disconnected last. Statement
Warning
1046
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Cisco ASR 901 Series Aggregation Services Router Hardware Installation
Power Supply LEDs
Cisco ASR 9000 Series Aggregation Services Router Satellite Systems Installation Guide
Removing and Replacing the AC Power Supply
Power Supply LEDs section. For troubleshooting information,
section. For troubleshooting information, see the
Guide.
Guide.
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