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Chapter 2 Telephony hardware 47

Installation and Maintenance Guide

Global Analog Station media bay module (GASM8)

The Global Analog Station media bay module (GASM8) provides the same functionality as the

ASM8 with the addition of the following features:

• support for calling line identification pass-through

• the option to activate disconnect supervision at the device

• the ability to pass a voice mail message indicator signal to activate a message waiting lamp on

the telephone, if it has one

• support for an Off Premise Extension (OPX).

The GASM8 has one amphenol connector on the faceplate. For details about wiring the GASM8,

refer to Chapter 10, “Wiring the modules,” on page 133.

Ringer Equivalency (REN) for each module is 2 (two).

NOTE: The termination on the analog interface may consist of any combination of devices subject

only to the requirement that the sum of the RENs of all the devices does not exceed the REN of the

interface to which the device is connected. The ringer equivalency number, per port, for this

module, is 1 (one).

The back of the GASM8 has two sets of DIP switches. The first set defines the DS30 bus and

offset. The second set determines if the module allows an automatic firmware download from the

system (BCM 3.6 software) or which country firmware the module will use. Refer to Chapter 7,

“Setting media bay module DIP switches,” on page 85.

Specialized media bay modules

This section describes the modules that perform a specific job outside of the trunk and station

description. Refer to Table 7.

• The Fiber Expansion module (FEM), provides a fast way of upgrading from an existing

Norstar system simply by plugging in Norstar expansion modules to the FEM box.

• The DDI MUX module allows you to combine data and telephone trunks through one T1

interface.

Table 7 Specialized modules

Module type What it does Special notes

FEM

“Fiber Expansion

media bay module”

connects a maximum of six Norstar expansion

modules

The switches on the FEM are used to

turn fiber ports on and off. The FEM

does not work correctly if you set these

switches using the rules used for other

media bay modules.

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Avaya BCM1000 Manual de instalación Pagina 73