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3-2
DHS-E
is expandable to meet a variety of applications. Regardless of the configuration,
the system has sufficient resources to allow completely non-blocked access to all facilities
(intercom and CO lines).
An external music source may be connected to each BGM/MOH Jacks via a 1/8 in. phono
plug for BGM/MOH listening. All system features are supported by the equipment
provided in the
Frequency (DTMF) receivers and two Tone Detectors specifically for ECF, DISA,
Unsupervised CO Line Conference, and Dial Tone Detection.
Connectors for SMDR and PC Programming are standard 9-pin RS-232 (serial) connectors.
Connectors for Loud Bell Control, External Voice Paging, MOH and BGM are 1/8" phono-
type connectors.
The following system configurations are possible:
Equipment Installed
Two 3 x 8 Modules
Three 3 x 8 Modules
Four 3 x 8 Modules
Five 3 x 8 Modules
Six 3 x 8 Modules
Telephone Components
Digital Key Telephones (refer to
Installation)
2-Port Analog Adapter
2-Port Analog Expansion
DSS (Direct Station Selector) Console
DHS-E
KSU. The Main Processor Board provides two Dual Tone Multi-
SLT operations do NOT use System DTMF and Tone Detection
resources.
Table 3-1: System Configurations
Maximum Number of
Loop Start Lines
Key telephones are available in two colors: Off-White and Charcoal Gray.
Maximum Number of
DHS-E Digital Key
6
9
12
15
18
System
Components, in
DHS-E Description
Telephones
16
24
32
40
48
Chapter 2, DHS Description and
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