3-30
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation Guide
Chapter 3 Installing
Installing the Power Supply
Figure 3-20 Installing a DC Power Supply
Step 5
Tighten the captive installation screw of the power supply. The recommended maximum torque is 5.5
in.-lb (.62 N-m).
If you are installing a redundant DC power supply, repeat these steps for the second power source too.
Attaching Cables to the DC Power Supply
Note When installing DC power supply, use 14 AWG, 90°C wires. Always ensure that the building’s
installation for short-circuit (overcurrent) protection does not exceed 15A.
To attach the DC power supplies:
Step 1 Open the DC power supply guard.
Step 2 Attach the DC supply wires in the designated screws. See Figure 3-21.