Removing Fixed Configuration Dc Power Shelf Wiring; Prerequisites; Required Tools And Equipment; Steps - Cisco SRS Series Installation Manual

Installing and Removing Power Components
What to do next
After the power shelf wiring has been connected, the DC PEMs can be installed. For more information, see
Installing an AC Rectifier or DC

Removing Fixed Configuration DC Power Shelf Wiring

This section describes how to remove the DC power shelf wiring from the fixed configuration power shelf.
Note
When removing DC wiring from the fixed configuration power shelf, be sure to remove the ground cable last.

Prerequisites

Before performing this task, power down and remove DC PEMs and the alarm module in the shelf you want
to disconnect. Remove the upper air grille from the rear (MSC) side of the chassis., if installed
Note Before removing wiring from the power shelf, make sure that the input power cables are not energized.

Required Tools and Equipment

• ESD-preventive wrist strap
• 3/8-in. ratchet wrench with 10-mm socket

Steps

To disconnect wiring from the fixed configuration DC power shelf, perform the following steps:
SUMMARY STEPS
1. Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection
sockets on the front (PLIM) side of the chassis or a bare metal surface on the chassis.
2. Remove the terminal block cover
3. Using the 10-mm socket wrench, remove the positive and negative cables from each terminal block.
4. Using the wrench, remove the ground cable from the ground cable terminal.
5. Replace the terminal block cover.
DETAILED STEPS
Step 1
Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection sockets on the
front (PLIM) side of the chassis or a bare metal surface on the chassis.
Step 2
Remove the terminal block cover
Step 3 Using the 10-mm socket wrench, remove the positive and negative cables from each terminal block.
Step 4
Using the wrench, remove the ground cable from the ground cable terminal.
Removing Fixed Configuration DC Power Shelf Wiring
PEM.
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