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DEFINITY Enterprise Communications Server Release 8.2
Overview
555-233-002
Issue 1
April 2000
Computer-Related Calling Features
49
Data Modules
4 —Computer-Related Calling
Features
Data Modules
Data modules connect DEFINITY ECS with other communications equipment, changing
protocol, connections, and timing as necessary.
DEFINITY ECS supports the following types of data module:
■ High Speed Links
■ Data stands
■ Modular-processor data module
■ 7000-series data modules
■ Modular-trunk data module
■ Asynchronous Data Unit
■ Asynchronous Data Module (for ISDN-Basic Rate Interface telephones)
■ Terminal adapters
All of these data modules support industry standards and include options for setting the
operating profile to match that of the data equipment.
Modem Pooling
Enables switched connections between digital data endpoints (data modules) and analog
data endpoints and acoustic coupled modems. Data transmission between a digital data
endpoint and an analog endpoint requires a conversion since the DCP format used by the
data module is not compatible with the modulated signals of an analog modem. A modem
translates DCP format into modulated signals and vice versa. The Modem Pooling
feature provides a set of modems for such conversions.
DEFINITY ECS modem pools are assigned into modem pool groups. A group can have
up to 32 modems, called “members.” DEFINITY ECS can have as many as 63 modem
pool groups. See Figure 9.
233002_1.book Page 49 Monday, February 21, 2000 8:28 AM