Nortel Networks NN43001-301 - Manual (Page 94)

94 NTBK51 DDCH installation and removal
Procedure 7
Install the NTBK51 DDCH on the NT5D12 dual-port DTI/PRI
Step Action
1 Unpack and inspect the DDCH daughterboard.
The DDCH comes with four standoffs so that it can be mounted onto
the DDP. These are easily pushed into four corresponding mounting
holes on the DDP.
2 Mount the NTBK51 DDCH so that it mates correctly with P1 and P2
on the NT5D12 DDP motherboard.
—End—
Remove NTBK51 DDCH from NT5D12 dual-port DTI/PRI
Removal procedures for the NTBK51 DDCH are the same for all Large
Systems.
CAUTION
A static discharge bracelet must be worn before handling circuit
cards. Failure to wear the bracelet can result in damage to the
circuit cards.
The DDCH can only be removed when it is disabled in software. Both ports
of the associated DDP card must be disabled. Follow the steps in
Procedure
8 "Remove the NTBK51 from the NT5D12 dual-port DTI/PRI card" (page
94)
to remove the NTBK51 from the NT5D12 dual-port DTI/PRI card.
Procedure 8
Remove the NTBK51 from the NT5D12 dual-port DTI/PRI card
Step Action
1 Disable the faceplate switch on the DDP.
2 Remove the DDP and DDCH.
—End—
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
.