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

Removing and Replacing the DC Power Supply

DETAILED STEPS
Step 1 Remove the tape from the circuit-breaker switch handle, and restore power by moving the circuit-breaker switch handle
to the On (|) position.
Step 2 Verify power supply operation by checking if the power supply front panel LEDs are in the following states:
• INPUT OK LED is green.
• OUTPUT FAIL LED is green.
If the LEDs indicate a power problem, see the
Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
If you are installing a redundant DC 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.
If you are installing a redundant DC power supply, repeat these steps for the second power source.
Removing and Replacing the DC Power Supply
This section provides information about removing and replacing the DC power supply in the Cisco ASR 903
Router as a satellite shelf.
The Cisco ASR 903 Router satellite shelf power supplies are hot-swappable. If you have installed redundant
Note
power supply 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
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1030
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Follow these steps to remove and replace the DC power supply on the Cisco ASR 903 Router as a satellite
shelf:
Cisco ASR 9000 Series Aggregation Services Router Satellite Systems Installation Guide
48
Installing the Cisco ASR 903 Router as a Satellite Shelf
Power Supply LEDs section. For troubleshooting information, see the
.