Step 1
Disconnect the power cord from the power source. Do not touch any metal on the power cord when it is still connected
to the power supply.
Step 2
Loosen the tie and remove the power cord from the tie-and holder.
Step 3
Remove the power cord from the power connection on the power supply. Do not touch the metal prongs embedded in
the power supply.
Step 4
Grasp the power supply handle. Simultaneously press the power supply lock towards the left and pull the power supply
out from the chassis while supporting it with the other hand.
Install the AC Power Supply Module
Follow these steps to install the AC power supply module:
Step 1
Ensure that the system (earth) ground connection has been made.
Step 2
If necessary, remove the blank power supply filler plate from the chassis power supply bay opening by loosening the
captive installation screws.
Step 3
Grasp the power supply handle with one hand. Place your other hand underneath the power supply. Slide the power
supply into the power supply bay. Make sure that the power supply is fully seated in the bay. See the following figure.
Figure 23: Install AC Power Supply Module
Step 4
Slide the AC power supply cord inside the tie of the tie-and-holder and tighten the tie around the power supply cord.
Step 5
Plug the power supply cord into the AC power supply.
Cisco NCS 540 Router Hardware Installation Guide
49
Replace Fan Module and Power Supply
Install the AC Power Supply Module