Replacing The Ntag26 Equipment Card; Replacing The Ntak92 Off-Premises Protection Module - Nortel 1000E Maintenance Manual

168 Replacing equipment
5

Replacing the NTAG26 equipment card

Procedure 39
Replacing the NTAG26 equipment card
Step
1
2
3
4
5

Replacing the NTAK92 off-premises protection module

A lightening strike can cause failure of the NTAK92 protection assembly.
The first indication of such a failure is an out-of-service telephone. To
check for and replace failed protectors, follow the steps in
"Testing for loop closure" (page 168)
(page
Procedure 40
Testing for loop closure
Step
1
To end the program, enter four asterisks (****).
Action
Software-disable the card with the following command:
LD 34
Unhook the locking devices on the card. Pull it out of the card
cage.
Insert the replacement card into the vacant slot and hook the
locking devices.
After you install cards, the red LED on the faceplate flashes as a
self-test runs. If the self-test succeeds, the card is automatically
enabled (if it is configured in software) and the LED turns off. If
the self-test fails, the LED lights steadily and remains lit.
Software-enable the card by entering: ENLC l s c
When the process is complete, a system response appears.
To end the program, enter four asterisks (****).
169).
Action
To test for a dial tone across cable pairs on J1 and J2, use
standard loop closure test equipment (for example, butt-in). If
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 02.07 22 December 2009
Copyright © 2004-2009 Nortel Networks. All Rights Reserved.
--End--
DISC l s c
--End--
or Procedure 41 "Testing continuity"
Procedure 40