Gai-tronics 370-400 UHF and VHF Page/Party Radio Couplers User Manual download pdf

Pub. 42004-432D

GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA

610-777-1374  800-492-1212  Fax: 610-796-5954

ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

Model 370-400 UHF and 370-420 VHF

Page/Party

Radio Couplers

Confidentiality Notice

This manual is provided solely as an operational, installation, and maintenance guide and contains sensitive

business and technical information that is confidential and proprietary to GAI-Tronics. GAI-Tronics

retains all intellectual property and other rights in or to the information contained herein, and such

information may only be used in connection with the operation of your GAI-Tronics product or system.

This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any third party.

General Information

Product Overview

The Model 370-400 UHF and 370-420 VHF Page/Party

Radio Couplers allow for a GAI-Tronics Page/Party

system to

communicate with wireless radio systems. Radio users,

located outside the facility at a remote location or inside a

plant, can communicate with Page/Party

users.

The Coupler works as a half duplex system in that audio is

only heard in one direction at a time. The current audio path

takes precedent over the system and the other audio path

cannot engage until the current audio path releases control.

The audio path to the Page/Party

system is gated by the

carrier detect signal from the radio. A VOX circuit that

monitors the audio level on the page or party line, whichever is

currently active, gates the audio path to the radio.

The Coupler converts audio levels from the Page/Party

system to the appropriate radio signal levels that are then

transmitted on a defined carrier frequency programmed into

the radio. The Page/Party

Radio Coupler senses off-hook

characteristics of the Page/Party

system and routes party line

audio line or page line audio to the radio. Party line audio

takes precedence over page line audio.

The Coupler converts the radio signal to the appropriate signal levels for the Page/Party

system. The

module has a relay output that activates during the presence of the programmed carrier frequency.

Figure 1. Outline of Model 370-400

1 2 3 4 5 6 ... 13 14

Summary of Contents

Page 1 - Radio Couplers

Pub. 42004-432D GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA 610-777-1374  800-492-1212  Fax: 610-796-5954 VISIT W

Page 2 - Radio Frequency Programming

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Page 3 - Installation

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Page 4 - Mounting the Enclosure

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Page 5 - Installing the Antenna

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Page 6 - Field Wiring

(Rev. 10/06)WarrantyEquipment. GAI-Tronics warrants for a period of one (1) year from the date of shipment, that anyGAI-Tronics equipment supplied he

Page 7 - Opening the Station

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Page 8 - Audio and Control Signals

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Page 9 - Settings and Adjustments

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Page 10

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Page 11 - Operation

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Page 12 - Specifications

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Page 13

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Page 14 - Return Policy

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Gai-tronics 370-400 UHF and VHF Page/Party Radio Couplers User Manual

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Summary of Contents

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