Specifications
INTRODUCTION / DESCRIPTION LBI-3907
6
7
INTRODUCTION
This manual describes the installation, configuration, and
operation of the Enhanced Local Interconnect (ELI)
option. A companion manual, the Global Telephone
Interconnect (GTI) Configurator user's manual (LBI-
39077), describes how to use the GTI Configurator
software to configure the GTI units used in the ELI
option.
DESCRIPTION
OVERVIEW
The ELI option is a telephone switching system that
allows authorized radio users to make and receive
telephone interconnect calls on their EDACS radios
without dispatcher assistance. Under the direction of the
Site Controller computer, it can connect any one of up to
20 available EDACS repeater channels to any one of up to
32 available telephone circuits, and maintain up to 20
interconnect calls at any one time.
Power Supply
GETC
MASTR II/III Repeater
Channel #3
Power Supply
GETC
Power Supply
GETC
MASTR II/III Repeater
Channel #2
MASTR II/III Repeater
Channel #1
Power Supply
GETC
MASTR II/III Repeater
Channel #6
Power Supply
GETC
Power Supply
GETC
MASTR II/III Repeater
Channel #5
MASTR II/III Repeater
Channel #4
Power Supply
GETC
Power Supply
GETC
MASTR II/III Repeater
Channel #8
MASTR II/III Repeater
Channel #7
Power Supply
Power Monitor Unit
Downlink GETC
Redundant Downlink GETC
Site Controller Computer
Alarm and Control Unit
Test Unit
Modem / Guardog Chassis
Uninterruptible Power Supply
Site Controller Cabinet First Repeater Cabinet Second Repeater Cabinet Third Repeater Cabinet
IAM (Optional)
Master GTI
GTI
GTI
A/P
A/P
T
P
A/P PCM
SS PCM
PCM
Figure 1 - Typical Enhanced Local Interconnect System