Cisco Asr-920-24Sz-Im, Asr-920-24Sz-M, Asr-920-24Tz-M Aggregation Services Router Hardware Installation - Cisco ASR-920-24SZ-IM Hardware Installation Manual

Installing an AC power Supply
Step 2
Lift the power retainer and plug in the AC power supply.
Step 3 Push the retainer cord towards the power supply cord to lock it in place as shown in the figure below.
Figure 39: Locking the Power Retainer Cord
Step 4
Connect the other end of the power cord to an AC-input power source.
Step 5 Verify power supply operation by checking that the power supply LED is green.
Step 6 If the LEDs indicate a power problem, see LED Indicators section for troubleshooting information.
Step 7 If you are installing a redundant power supply, repeat these steps for the second power source.
If you are installing a redundant AC power supply, ensure that each power supply is connected to a separate
Note
power source in order to prevent power loss in the event of a power failure.

Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation

Guide
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Installing the Router