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Removing and Replacing a DC Power Supply
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1003
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1030
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Note
Open and remove the door before performing this procedure. See
Follow these steps to remove and replace the DC power supply on the Cisco NCS 4201:
Step 1
Before servicing the power supply, switch off the circuit breaker in your equipment area. As an additional precaution,
tape the circuit-breaker switch in the Off position.
Step 2
Slip on the ESD-preventive wrist strap that was included in the accessory kit.
Step 3
Switch the power supply circuit-breaker switch to the Off (O) position.
Step 4
Pull the terminal block plug connector out of the terminal block head in the power supply.
Step 5
Loosen the captive screw on the DC power supply. See figure below.
Figure 13: Removing a DC Power Supply
Cisco NCS 4201 Hardware Installation Guide
18
Installing the Cisco NCS 4201
Removing the Front Door
section.
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