Dialogic Diva ISDN PCI Installationsanleitung PDF herunterladen (Seite 27)

ENGLISH

Dialogic® Diva® Media Board Installation Guide

page 27

Connecting Dialogic

Diva

BRI Media Boards in NT mode:

The Dialogic

Diva

System Release software enables you to configure Diva

BRI Media Boards as network termination (NT). This means your Diva Media

Board can serve as an NT for PBXs, for example, when coupling PBXs with the

Q.SIG protocol, and it can be used for back-to-back operation.

When connecting the Diva Media Board to a PBX that acts as terminal

equipment and therefore requires an NT to provide a clocking signal, configure

the Diva board as an NT. Wire the Diva board to the PBX as shown in the

diagram below by applying the appropriate assignment to the PBX connectors.

Use the required termination resistors.

When using two Diva Media Boards in back-to-back operation, configure one

Diva board as an NT and the other one as terminal equipment (TE). Connect

the boards using a crossover cable. The cable wiring must correspond to the

diagram below and the cable must have the required termination resistors.

Pole (contact) assignments for 8-pole connections (plugs and jacks):

Note: Looking at the RJ45 connector with the exposed connector pins facing

you, the pins are numbered from 1 to 8 from left to right (as shown below).

TE Side NT Side

Pins on RJ45 Wire Signals Wiring Wire Signals

1 not used

2 not used

3 2a TX + 1a TX +

4 1a RX + 2a RX +

5 1b RX - 2b RX -

6 2b TX - 1b TX -

7 not used

8 not used

Termination resistors

100 Ohm, 5%

Resistors

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 167 168

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Dialogic Diva ISDN PCI Installationsanleitung Seite 27