Installing The Ac Power Supply - Cisco ASR 903 Installation Instructions Manual

Installing the Cisco ASR 903 Router as a Satellite Shelf
SUMMARY STEPS
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.
2. Slip on the ESD-preventive wrist strap that was included in the accessory kit.
3. Switch the power supply circuit-breaker switch to the Off (O) position.
4. Pull the terminal block plug connector out of the terminal block head in the power supply.
5. Loosen the captive screws on the DC power supply.
6. Grasping the power supply handle with one hand, pull the power supply out from the chassis while
supporting it with the other hand.
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.
DETAILED STEPS
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

The following sections describe how to install a AC power supply in the Cisco ASR 903:
This product requires short-circuit (overturned) protection, to be provided as part of the building installation.
Warning
Install only in accordance with national and local wiring regulations. Statement 1045
Cisco ASR 9000 Series Aggregation Services Router Satellite Systems Installation Guide
Installing the AC Power Supply
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