Nortel Networks NN43001-301 manual Install the QPC757 DCH, Procedure Install the QPC757 Dchi

Install the QPC757 DCH 87

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Install the QPC757 DCH

Installation procedures for the QPC757 DCHI card are the same for all Large Systems. These procedures apply to both primary and backup D-channels. See Figure 38 "QPC757 option and PRI/ISL high-speed programming switch settings" (page 88) on page 115, Figure 39 "QPC757 option and PRI/ISL low-speed programming switch settings" (page 89) and Table 27 "D-channel port address switch settings for PRI" (page 89), for option switch settings per port number of the DCHI card, in Primary Rate Interface mode.

Use Procedure 3 "Install the QPC757 DCHI" (page 87) to install the

QPC757 DCHI card on Large Systems.

Procedure 3

Install the QPC757 DCHI

Step Action

1Determine the cabinet and shelf location of the circuit card to be installed.

The QPC757 DCHI card can be installed in any slot appropriate for an I/O port card on a network shelf. For single CPU systems only, the QPC757 DCHI card can be located on the Common Equipment (CE) shelf.

2Unpack and inspect the card.

3Set option switches and jumper plugs on the DCHI card. For PRI capability, set port J2 to odd. For ISL capability, set port J2 for high-speed or low-speed programming.

4Set faceplate toggle switch to DISABLE.

5Install DCHI card into the assigned shelf or module and slot.

6Run and connect DCHI cables: connect QPC757 J2 to QPC720 PRI J5 with a QCAD328A cable.

7Set faceplate toggle switch to ENABLE.

8Enable the loop in LD 60.

9Coordinate start-up and verification of the DCHI with the start-up of the PRI.

10Enable the DCHI card using LD 96, command ENL DCH x.

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