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Removing and Replacing the DC Power Supply
If the LEDs indicate a power problem, see Troubleshooting.
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 907
Router.
Note
The Cisco ASR 907 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.
Caution
To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after a power supply
has been removed or replaced.
Warning
When you install the unit, the ground connection must always be made first and disconnected last. Statement
1046
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
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 DC power supply on the Cisco ASR 907 Router:
Procedure
Step 1
Before servicing the power supply, switch off the circuit breaker in your equipment area. As an additional
precaution, tape the circuit-breaker switch in the Off position.
Step 2
Slip on the ESD-preventive wrist strap that was included in the accessory kit.
Cisco ASR 907 Router Hardware Installation Guide
88
Installing the Cisco ASR 907 Router
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