Data Modules
21-1
21
DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
21
Data Modules
This section describes the devices that provide a data communications interface.
Information on the data modules and other related data equipment used with the
DEFINITY Communications System Generic 1, Generic 2, and Generic 3, the
DEFINITY ECS, System 75, and System 85 is provided here. The following
devices described in this section provide data interface functions such as
modems, protocol converters, and data units.
■ 7400A Data Module
■ 7400B and 7400B Plus Data Module
■ 7400D Low-Speed Asynchronous Data Module
■ 8400B Plus Data Module
■ 7500B Data Module
■ ISDN Asynchronous Data Module (ADM)
■ Digital Terminal Data Module (DTDM)
■ Z702AL1 Data Service Unit (DSU)
■ 703A Data Service Unit (DSU)
■ DEFINITY High Speed Link (HSL)
■ Processor Data Module (PDM)
■ Trunk Data Module (TDM)
