Cisco NCS 4201 Руководство по установке - Страница 18

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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

Installing the Cisco NCS 4201

Removing the Front Door

section.