Avaya BCM 4.0 Networking Guide de configuration télécharger pdf (Page 716)

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716 Appendix B ISDN overview

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BRI hardware

The loops on the BRI module can be programmed to support either network or terminal

connections. This allows you to customize your arrangement of lines, voice terminals, data

terminals and other ISDN equipment. This section describes some basic hardware configurations

for network and terminal connections for each loop type.

A BRI module provides four loops. Each loop can be individually programmed as:

• an S reference point connection (S loop) to ISDN terminal equipment (TE), or

• a T or S reference point connection (T loop or S loop) to an ISDN network using an

external NT1

S Reference Point

The S reference point connection provides either a point-to-point or point-to-multipoint digital

connection between BCM and ISDN terminal equipment (TE) that uses an S interface. Refer to

Figure 227.

S loops support up to seven ISDN DNs, which identify TE to the BCM system.

Figure 227 S reference point

T Reference Points

The T reference point connections provide a point-to-point digital connection between the ISDN

network and BCM. Refer to Figure 228.

A T loop provides lines that can be shared by all BCM telephones, peripherals and applications,

and ISDN TE.

Inspect FORWARD Callers

MXP

Inspect FO

RWARD Callers

Inspect FO

RWARD Callers

MXP

Inspe

ct FO

RWARD Callers

Inspect FORWARD Callers

MXP

point-to-point

ISDN TE

(with terminating resistors)

ISDN TE

(with terminating resistors)

BCM

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