Gai-tronics 495-001 Mine Dial / Page Phone Interface Cabinet User Manual download pdf

Pub. 42004-198D

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 495-001 Mine Dial/Page

Phone Interface Cabinet

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

The GAI-Tronics Mine Dial/Page Phone system provides the convenience of a telephone station plus

additional paging capabilities in gaseous or dusty locations too hazardous for standard telephone

equipment.

The system is used in conjunction with Touch Tone (DTMF) operated public telephone exchange or a

private branch exchange (PABX). Each station in the system is made up of two components: a 491

Series Mine Dial/Page Phone, and a Model 495-001 Mine Dial/Page Phone Interface Cabinet located

outside the hazardous area. The Model 495-001 Interface Cabinet is electrically connected between the

station and the telephone switchboard. Each station is connected to a separate line of the telephone

exchange. A simplified diagram for a Mine Dial/Page Phone system is shown in Figure 1.

A person at any properly installed GAI-Tronics 491 Series Mine Dial/Page Phone station can dial any

other such station or any other conventional telephone connected to that switchboard. If the switchboard

is tied into the public telephone system, calls can be made to, and received from any public telephone.

In keeping with MSHA regulations, at least one GAI-Tronics 491 Series Mine Dial/Page Phone station

for each interface cabinet must be installed on the outside of a coal mine.

Principles of Operation

Each 491 Series Mine Dial/Page Phone is normally connected by an individual pair of wires to the Model

495-001 Interface Cabinet, but up to five phones can be connected in parallel. (N

OTE: This system is

designed to operate with only one station off hook). Outgoing calls can be made from any station and

answered at any station - the same as when extension telephones are used. It is not possible to dial calls

between stations on the same line.

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Summary of Contents

Page 1 - Phone Interface Cabinet

Pub. 42004-198D GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA 610-777-1374  800-492-1212  Fax: 610-796-5954 VISIT WW

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Page 4 - Qty Part No. Description

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Page 6 - Installation

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Page 10 - Pub. 42004-198D

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Page 11 - Figure 8. Power Supply

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Page 12 - System Check-Out

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Page 15 - Operation

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(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

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Page 19 - Other Faults

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Page 20 - General

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Page 21 - User Instructions (USA)

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Page 22 - Specifications

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Page 23 - Return Policy

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Gai-tronics 495-001 Mine Dial / Page Phone Interface Cabinet User Manual

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