Nortel Networks NN43001-301 - Manual (Page 206)

206 1.5 Mb PRI implementation
Procedure 26
Removing the NTRB21 TMDI card
Step Action
1 If in PRI mode, enter the following command in LD 96 to software
disable the D-channel:
DIS DCH x
where x is the DCH port number that was assigned in LD 17.
2 If the Clock Controller is enabled, enter the following command in LD
60 to software disable it:
DIS CC 0
3 Enter the following command in LD 96 to disable the NTRB21 TMDI
card:
DIS TMDI x All
where x is the NTRB21 TMDI card number (DLOP). The card
number associated with a NTRB21 TMDI card is based on the slot in
which the card is installed.
4 Hold the NTRB21 by the lock latch, unlock the latch, and slide the
card out from the cabinet.
—End—
Install/remove daughterboards on the NTAK09 DTI/PRI card
Use these guidelines to mount the NTAK20 CC and the NTAK93 DCHI or
NTBK51 DDCH daughterboards on the NTAK09 DTI/PRI card. Because
of the physical layout of the mother and daughterboards, the NTAK93 or
NTBK51 should be mounted before the NTAK20. Work on a flat surface
when mounting or removing daughterboards.
Procedure 27
Mounting the daughterboards on the NTAK09
Step Action
1 Visually inspect the connector pins on the underside of the
daughterboard. Straighten and realign any bent pins prior to
mounting.
2 Place the NTAK09 down flat on an antistatic pad.
3 From an overhead view, with the daughterboard parallel above
the NTAK09 and the connector pins aligned over the connector
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Copyright © 2003-2007, Nortel Networks
.