Installing ISDN BRI hardware for trunk applications 39

2.Install the MISP.

3.Install clock referencing on the SILC.

4.Install the SILC and/or UILC.

5.Connect the system to the MDF.

6.Cross-connect the MDF (in Terminal Equipment mode).

Note: The system, in TIE trunk or CO connectivity, requires a different wiring configuration than for a line application; the transmit and receive pairs should be reversed, as illustrated in Figure 12 "Connect the network termination to the U interface and to the S/T interface (in TE mode)" (page 43).

Selecting the card slots

Follow the same procedures as described earlier for line applications (refer to Procedure 1 "Selecting the card slots" (page 16)).

Removing the module cover for card installation

Follow the same procedures as described earlier for line applications (refer to Procedure 2 "Remove the module cover for card installation" (page 20)).

Installing the MISP

Follow the same procedures as described for line applications (refer to Procedure 3 "Installing the MISP" (page 21)).

Installing the clock reference on the SILC

The DSL#0 and DSL#1 on an SILC card can be configured as the reference clock source, with DSL#0 being assigned for the primary clock reference and DSL#1 being assigned for the secondary clock reference.

The loop number and location of the primary and secondary clock source is configured in the Digital Data Block LD 73. Refer to the ISDN Basic Rate Interface Feature Fundamentals (NN43001-580).

Procedure 11

Providing clock referencing on the SILC

Step Action

Complete the following procedure to provide clock referencing on the SILC. To install the NTRB53 Clock Controller for CS 1000 Release 4.0

refer to ISDN Primary Rate Interface Installation and Commissioning (NN43001-301).

1Maintain the same polarity on each transmit and receive. Rewire the selected Tx and Rx pairs (applicable to DSL0 and DSL1) to

Nortel Communication Server 1000

ISDN Basic Rate Interface Installation and Commissioning

NN43001-318 01.02 Standard

Release 5.0 20 June 2007

Copyright © 2003-2007, Nortel Networks

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Nortel Networks NN43001-318 Selecting the card slots, Removing the module cover for card installation, Installing the Misp

NN43001-318 specifications

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