Lucent Technologies MERLIN LEGEND Release 5.0 System Planning Manual page 210

MERLIN LEGEND Communications System Release 5.0
System Planning 555-650-112
5 Data Communications
Terminology
Modem/ISDN Terminal Adapter Pool. A special type of hardware
configuration that bacombines one or more pairs of DCEs to enable
communication between modem and ISDN terminal adapter data stations.
A pair consists of one modem and one ISDN terminal adapter.
Modem/ISDN terminal adapter pools are set up in one of two ways
depending on the type of data station being used to send data:
analog-to-digital or digital-to-analog. For more information about these
pools, see application note, MERLIN LEGEND Communications System
Modem Pooling .
Data Hunt Group (DHG). A data calling group typically used to distribute
calls to modem/ISDN terminal adapter pools that have more than one pair
of DCEs. For more information about DHGs, see the application note,
MERLIN LEGEND Communications System Modem Pooling .
Video System. Equipment that allows desktop or group video
conferencing. This equipment connects either directly or through an ISDN
terminal adapter to an MLX jack on the MERLIN LEGEND system. If the
MLX port is administered as a 2B Data port, the video systems can use
both of the B-channels assigned to the MLX port to provide video. Many
video applications also support data sharing and/or transfer. In some
configurations, an MLX telephone may be connected in a passive bus
arrangement.
NOTE:
If the video system is connected to the MLX jack through an ISDN
terminal adapter, unless the ISDN terminal adapter itself supports 2B
Data communications, it is recommended that the MLX port NOT be
administered as a 2B Data port.
Issue 1
June 1997
Page 5-4