Replacing The Ntak79 Or Ntbk50 2.0 Mb Pri Card - Nortel 1000E Maintenance Manual

136 Replacing equipment
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Replacing the NTAK79 or NTBK50 2.0 Mb PRI card

NTAK79 and NTBK50 2.0 Mb PRI cards can be installed only on the MG
1000T platform.
Procedure 29
Replacing the NTAK79 or NTBK50 2.0 Mb PRI card
Step
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Copyright © 2007, Nortel Networks
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Hold the TDS/DTR circuit card by the lock latches, unlock the
latches, and slide the circuit card out of the Media Gateway.
Hold the replacement TDS/DTR circuit card by the lock latches and
slide it into its assigned slot until it connects with the backplane.
Secure the lock latches on the circuit card.
Enable the SDI ports, TDS channels, and Digitone Receivers in their
respective overlays.
Action
If the card is an NTAK79, or is an NTBK50 with the NTAK93 DCHI
daughterboard attached, disable the associated D-channel using the
following overlay and commands:
LD 96
If the card is an NTBK50 with the NTBK51 DDCH daughterboard
attached, disable the associated downloadable D-channel using the
following overlay and commands:
LD 96
LD 96
Disable the Clock Controller using these commands:
LD 60
Disable the PRI pack using these commands:
LD 60
Nortel Communication Server 1000
Communication Server 1000E Maintenance
NN43041-700 01.02 Standard
Release 5.0 20 June 2007
—End—
DIS DCH X
DIS DCH X
DIS MSDL X
DIS CC 0
DIS L X