Summarizing The Hardware - Comdial DSU II System Manual

DSU II Digital Telephone System
1.4

Summarizing The Hardware

The digital telephone system consists of an electronic Digital Service Unit (DSU)—usually
referred to as "common equipment"—optional 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.
The station and line capacity of the base unit and optional expansion modules are detailed in the
following chart.
Model
Number
J0408
J0816
J1632
JM408
JM008
CO/PBX
Capacity
4 8
8 16
16 32
4 8
0 8 industry-standard
telephones
Introducing The DSU II Digital Telephone System 1–7
Station
Capacity
IMI66–132