Install The Dc Power Cables - Cisco NCS 540 Hardware Installation Manual

Install the Device
Step 3
Verify power supply operation by checking if the respective power supply front panel LED (PS0 or PS1) is green.
Step 4 If the LEDs indicate a power problem, see Troubleshooting for troubleshooting information.
Step 5
If you are connecting a redundant AC power supply, repeat these steps for the second power source.
Note If you are connecting a redundant AC power supply, ensure that each power supply is connected to a separate
power source in order to prevent power loss in the event of a power failure.

Install the DC Power Cables

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.
Note The DC connector or terminal block has an inbuilt screw and cage nut to which a torque of 1.3 to 1.8 N-m
can be applied.
Figure 8: DC Connector With Inbuilt Screw
A 0.97 inches
B 0.31 inches
To attach the DC power supplies:
Step 1
Locate the terminal block plug.
Step 2 Insert the DC-input power source wires into the terminal block plug.
Step 3
Attach the DC supply wires using the designated screws.
Step 4 Use a ratcheting torque screwdriver to torque the terminal block plug captive screw. See the following figure.
C 0.27 inches
M 0.81 inches
Cisco NCS 540 Router Hardware Installation Guide

Install the DC Power Cables

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