Cisco ASR 920 Series Installing Manual page 57

Installing the Cisco ASR 920 Series Router
Step 5
Tighten the captive installation screws of the power supply. The recommended maximum torque is 5.5 in.-lb
(0.62 N-m).
Figure 52: Installing the DC Power Supply Module
Activate a DC Power Supply Module
Perform the following procedure to activate a DC power supply:
Procedure
Step 1
Remove the tape from the circuit-breaker router handle, and restore power by moving the circuit-breaker
router handle to the On (|) position.
Step 2 Verify power supply operation by checking if the respective power supply front panel LED (PS0 or PS1) is
green.
Step 3 If the LEDs indicate a power problem, see Troubleshooting.
Step 4
If you are connecting a redundant DC power supply, repeat these steps for the second power source.
Activate a DC Power Supply Module
Installing the Cisco ASR 920 Series Router
57