IMI66–107
1.4
Hardware Summary
The digital telephone system consists of an electronic Digital Service Unit (DSU)usually referred
to as common equipmentoptional expansion modules to extend station and line capacities,
dedicated digital electronic key telephones, and interconnecting wiring consisting of small, 2- or
4-conductor, twisted-pair cable. The digital telephone system supports all Comdial proprietary
digital telephone models.
NOTE: Sxxxx software only supports DigiTech telephones; Ixxxx software supports all digital
telephones.
The station and line capacity of the base unit and optional expansion module are detailed in the
following chart.
Model
Number
G0408
G0816
G1632
GM408
CO/PBX
Station
Capacity
Capacity
4
8
16
4
Digital Telephone System
8
16
32
8
Introducing The DSU 1 – 7