Installing The Ac Power Supply - Cisco ASR 907 Hardware Installation Manual

Installing the Cisco ASR 907 Router
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 907 Router:
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.
Step 3 Switch the power supply circuit-breaker switch to the Off (O) position.
Step 4 Pull the terminal block plug connector out of the terminal block head in the power supply.
Step 5 Loosen the captive screws on the DC power supply.
Step 6 Grasping the power supply handle with one hand, pull the power supply out from the chassis while supporting it with
the other hand.
Step 7 Replace the DC power supply within 5 minutes. If the power supply bay is to remain empty, install a blank filler plate
(Cisco part number A900-PWR-BLANK) over the opening, and secure it with the captive installation screws.

Installing the AC power Supply

Warning This product requires short-circuit (over current) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Installing the AC power Supply
Cisco ASR 907 Router Hardware Installation Guide
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