Nortel Networks NN43001-301 - Manual (Page 271)

Install the NTBK50 PRI card 271
If more than one NTBK50 card is installed, the additional cards may not
carry daughterboards, depending on system configuration. At least one
NTAK20 (per system) is always required.
Insert the NTBK50
Slide the circuit card into card slot 1-9 in the Small System main cabinet,
or in slots 11-19, 21-29, 31-39, 41-49 of the first, second, third, and fourth
IP expansion cabinets, respectively.
Secure the circuit card in the cabinet by locking the lock latch assemblies.
The card number associated with a 2.0 Mb PRI card is based on the slot in
which the card is installed.
Connect the cables
Follow the instructions below to connect cables to the NTBK50 PRI card.
Also refer to
Figure 87 "NTBK50 cabling" (page 271) .
• In the cabling area, located directly below the card cage, remove the
retaining bar that secures the MDF cables. Connect the NTBK05DA/CA
interface cable to the 50-pin Amphenol connector below the slot in
which the NTBK50 is installed. reinstall the retaining bar to secure the
cable(s) in place.
• Terminate the NTBK05DA/CA carrier cable as required.
Figure 87
NTBK50 cabling
NTBK05DA pinouts
The pinouts for the NTBK05DA cable are as follows:
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
.