MERLIN LEGENDCommunications System Release 6.1

Issue 1

System Planning 555-661-112

August 1998

5 Data Communications

 

 

About Data and Video Communications

Page 5-15

 

 

 

 

Other Supported Data Terminals

5

 

 

 

Other data equipment that may be connected to the system include analog data terminals using modem connections, such as the following:

A local host computer

Group III (G3) fax machine

An output-only device

An input-only device

A PC containing an internal modem card can also be connected to a T/R interface.

Other digital data terminals may be connected using ISDN terminal adapters, including the following:

Group video conferencing system

Group IV (G4) fax machine

Other Resource Groups

5

You can create the following types of special groups:

Modem-Only Group. example, a caller at a outside number, over

Provides access to multiport data equipment, for data station calling an online database system at an analog lines/trunks.

ISDN Terminal Adapter-Only Group. Provides access to multiport equipment, for example, a host computer, by assigning the MLX ports interfacing with the ISDN terminal adapters in the pool to a DHG.

Data Hunt Groups

5

A data hunt group (DHG) is similar to a voice-extension calling group, except that the group in this case is a group of modems or a group of ISDN terminal adapters (not both). The group can be used to communicate with a local host computer or workstation (gateway) on a LAN.

All modems or ISDN terminal adapters in a DHG are assigned to a single extension number that is used both by inside and outside callers to reach the group. Users are given the DHG number that corresponds to the pool they need to reach.

Calls to the group are distributed among group members in a circular pattern. The system hunts for the first available modem or ISDN terminal adapter, starting with the one that received the last call. If all group members are unavailable, the caller hears a ringback tone.

Guidelines for creating DHGs are contained in “Creating Data Hunt Groups,” later in this chapter.

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Lucent Technologies 6.1 manual Other Supported Data Terminals, Other Resource Groups, Data Hunt Groups