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Pub. 42004-224
[KLA1]
G A I - T R O N I C S C O R P O R A T I O N
Model 10448-202
Telephone Interface for Centra-Page Systems
Confidentiality Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains
sensitive business and technical information which 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.
Introduction
GAI-Tronics Centra-Page system provides dependable paging and party line communications for rugged
and hazardous industrial facilities. Centra-Page features centrally-located electronics which provide
environmental protection and unitized amplification for easy maintenance. Standard Centra-Page
cabinets can support up to 30 handset stations and in most cases up to 60 paging speakers. Alarms and
telephone interfacing can also be added to Centra-Page systems.
The Model 10448-202 Telephone Interface is designed to couple a Centra-Page system to the public
telephone network. The telephone line coupler is designed for loop start operation with bridged ringing.
This coupler is registered by the FCC number ADG9ZP-68744-OT-R. The Ringer Equivalence Number
(REN) is 0.0A, with an RJ11 connection.
Installation
The Model 10448-202 Telephone Interface plugs directly into a connector in the Alarm Interface Panel
located in the Centra-Page central cabinet. Included with the 10448-202 is a phone line with RJ11 plugs
on each end. One end of the line plugs into the connector on the front of the Telephone Interface labeled
"TELEPHONE LINE". The other end of the line feeds through the opening in the Alarm Interface Panel
labeled "TELEPHONE INTERFACE". This end of the line must then be plugged into a standard RJ11C
phone jack. To make this installation as simple as possible, the Centra-Page central cabinet should be
located near a phone jack. For further installation details for the Alarm Interface Panel, please refer to
the instruction manual for the 10460-002.
GAI-Tronics Corporation 400 East Wyomissing Avenue, Mohnton, PA 19540 USA
610-777-1374 n 800-492-1212 n Fax: 610-775-6540
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Table of Contents
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Summary of Contents for GAI-Tronics 10448-202
- Page 1 The Model 10448-202 Telephone Interface plugs directly into a connector in the Alarm Interface Panel located in the Centra-Page central cabinet. Included with the 10448-202 is a phone line with RJ11 plugs on each end. One end of the line plugs into the connector on the front of the Telephone Interface labeled "TELEPHONE LINE".
- Page 2 Pub. 42004-224 2 of 4 Page: Figure 1. Alarm Interface Panel Operation GENERAL The telephone interface functions as follows: 1. The caller dials the phone number or PBX extension associated with the Centra-Page central cabinet. 2. Between the second and ninth ring (ring delay is user programmable; see "RING DELAY" on page 3) , a birdie tone will sound on the page line of the Centra-Page system.
- Page 3 Pub. 42004-224 3 of 4 Page: Figure 2. Detail of Telephone Interface Card RING DELAY General The ring delay referred to in Step 2 is user-set by a dual in-line package (DIP) switch located inside the telephone interface. A standard telephone may be plugged into the RJ11C jack labeled "TELEPHONE SUBSET"...
- Page 4 Page: Setting Ring Delay The Model 10448-202 Telephone Interface is designed to delay connection of incoming telephone ring signals to the Centra-Page system between 1 and 8 rings. The number of ring bursts required to activate the Telephone Interface ring repeater is set by switch S3, located on the Telephone Interface card assembly.
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