Replacing The Ntdu67 Drive Carrier Card - Nortel 1000E Maintenance Manual

Replacing the NTDU67 Drive Carrier card

This section describes how to replace the NTDU67 Drive Carrier card.
See Software Input/Output: Administration (553-3001-311) for a description
of all maintenance commands, and Software Input/Output: System Messages
(553-3001-411) for interpreting system messages.
CAUTION
Service Interruption
At some point in this procedure, the system will
warm start, causing a momentary interruption in call
processing.
Procedure 9
Replacing the NTDU67 Drive Carrier card
1 Check the Drive Carrier card maintenance display to verify that the Call
Server containing the Drive Carrier card to be replaced is inactive.
a. If the Call Server containing the Drive Carrier card is active, switch
cores in LD 135:
LD 135
SCPU
2 In LD 135, split the CPU Cores:
SPLIT
3 Power down the Call Server using the power switch at the right rear of the
Call Server.
4 Use a small-bladed screwdriver to remove the four screws from the Drive
Carrier card.
5 Unhook the locking devices and remove the Drive Carrier card.
6 Put the Drive Carrier card being replaced into a static bag and box.
7 Insert the new Drive Carrier card into the Call Server slot.
8 Lock the locking devices by pushing them gently towards the faceplate.
9 Use a small-bladed screwdriver to tighten the screws on the Drive Carrier
card.
Replacing equipment
To load the program.
Switch Core (if necessary).
Communication Server 1000E
Page 119 of 162
Maintenance