| INTRODUCTION / DESCRIPTION |
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| INTRODUCTION | DESCRIPTION | ||
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 guide
Although the objective of this manual is to provide information in the order it should be needed, completely read the applicable section before starting the installation or configuration.
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 lines, and maintain up to 20 interconnect calls at any one time.
| S | S | PCM |
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| Master GTI |
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| GETC | GETC |
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Power Monitor Unit |
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| MASTR II/III Repeater | MASTR II/III Repeater |
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| Channel #3 | Channel #6 |
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| A/P | PCM |
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Downlink GETC | Power Supply | Power Supply |
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Redundant Downlink GETC |
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| IAM (Optional) |
| GTI |
Site Controller Computer | GETC | GETC |
| GETC |
| MASTR II/III Repeater | MASTR II/III Repeater |
| MASTR II/III Repeater |
| Channel #2 | Channel #5 |
| Channel #8 |
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| A/P | PCM |
Alarm and Control Unit |
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| Power Supply | Power Supply |
| Power Supply |
Test Unit |
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| GTI |
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Modem / Guardog Chassis | GETC | GETC |
| GETC |
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| MASTR II/III Repeater | MASTR II/III Repeater |
| MASTR II/III Repeater |
Power Supply | Channel #1 | Channel #4 | A/P | Channel #7 |
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| Power Supply | Power Supply |
| Power Supply |
Uninterruptible Power Supply |
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Site Controller Cabinet | First Repeater Cabinet | Second Repeater Cabinet | Third Repeater Cabinet |
Figure 1 - Location of ELI Components in a Typical EDACS Installation
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