Removing The Power Components; Removing Ac Input Power Cords; Removing Dc Input Power Cables - Cisco NCS 4000 Series Hardware Installation

Removing the Power Components

Removing the Power Components
This section describes how to remove power components from the Cisco NCS 4016 chassis.
Although there are differences between AC and DC power trays and power modules, they are removed
Note
using the same procedures.
While it is possible to remove power components from the Cisco NCS 4016 chassis separately, some parts
(such as the power tray) require that other parts be removed first.
We recommend that you remove the power components in the order outlined in this section.

Removing AC Input Power Cords

This section describes how to remove AC input power cords from a power tray.
Prerequisites
Power off the AC power modules in the tray you want to disconnect.
Before removal, make sure that the input power cables are not energized.
Note
Required Tools and Equipment
• ESD-preventive wrist strap
• 6-inch, number-1 Phillips screwdriver
Steps
To remove the AC input power cords, go to the rear of the chassis and perform the following steps:
Procedure
Step 1 Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the two ESD jacks on the
rear of the chassis. You can also connect the ESD-preventive wrist strap leash to any bare metal surface on
the chassis.
Step 2 Verify that the AC input source breaker is in the off position.
Step 3
Use the screwdriver to loosen the screws that clamp the cords in place.
Step 4 Remove the cords from the cord clamps.

Removing DC Input Power Cables

This section describes how to remove DC input power cables from a power tray terminal block.
Hardware Installation Guide for Cisco NCS 4000 Series
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Removing and Replacing Chassis Components