Nortel Networks NN43001-301 manual Insert the NTBK50, NTBK50 cabling

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

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