AT&T 0II722050-917 User Manual

AT&T

PagePal

2/12/93

Installation Manual

Issue 2, February 1993

0II722050-917

Printed in U.S.A.

No Part of this publication may be reproduced in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written

permission of AT&T. The use of trademarks or other designations is for reference purposes only.

NOTICE

Every effort was made to ensure that the information in this manual was complete and accurate at the

time of printing. However, information is subject to change.

COMPATIBILITY

The AT&T PagePal

is recommended for use with most AT&T telephone systems and commercial

audio amplifiers used for public announcement.

WARRANTY INFORMATION

AT&T provides a limited warranty to this product. Refer to “Warranty Information” in Appendix A.

ORDERING INFORMATION

To order an additional PagePal, use Part Number 722050-917. To order this document, order Part Number 0II722050-917.

PagePal is a registered trademark of HARRIS CORPORATION Dracon Division. CENTREX is a registered trademark of AT&T. The Canadian equivalent of the RJ11C connector is CA11A. Where applicable, CA11A is to be

understood for other references to RJ11 or JR11C in this manual This product is UL Listed or CSA Certified.

“NOTICE: The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective operational and safety requirements. the Department does not guarantee the equipment will operate to the user’s satisfaction.

“Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must al

connection. In some cases, the company’s inside wiring associated with a singly line individual service may be extended by means of a certified connector assembly (telephone extension cord). The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations.

“Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.

“U

SerS should ensure for their own protection that the electrical ground connections of the power utility, telephone

lines and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas.

Caution: Users should not attempt t inspection authority, or electronics, as appropriate.”

O make such connections themselves, should contact the appropriate electric

SO be installed using an acceptable method of

VG—2/93—2M

Contents

AT&T PagePal System Overview

■ Description

■ Features

Installation

■ Important Safety Instructions

■ General Information

■ Troubleshooting Guide

FCC Regulations and Warranty

AT&T PagePal Functional Diagram

1-1

1-2 1-3

2-1

2-2 2-4 2-12

A-1

B-1

Secondary Circuit Protection

C-1

iii

AT&T PagePal® System Overview

AT&T PagePal System Overview 1-1

Descrption

The AT&T PagePal

telephone systems (PBX,

address audio system. In

has been designed to interface most

unit

KTS, Centrex

) to virtually any public

addition, PagePal furnishes inputs for customer provided background music and auxiliary inputs (such as an attendant microphone, a radio receiver, recorded

announcements, etc.) Control inputs are provided for tones

generated

telephone

inputs are

by PagePal such as pre-announcement tones,

access confirmation, siren, chime, and night bell. All

automatically selected on a prioritized basis and

routed to a single output which will drive any type of audio equipment. PagePal can be placed on a desk or shelf, or

mounted to a wall (see installation section).

MAIN

OUTPUT

AT&T

LEVEL CONTROLS

MUSIC INPUT

ATTENDANT

INPUT

Figure 1-1. Front View of the AT&T PagePal

PagePal

1-2 AT&T PagePal System Overview

Features

The AT&T PagePal provides many useful features:

■

Telephone Access from:

– Loop Start trunks – Ground Start trunks

Analog Station Lines, PBX or Centrex

– Dry Loop page ports (4-wire).

■

Provides a point of clear demarcation between the

telephone system and the audio system

■

FCC registered and UL Listed Main output level control allows adjustment for commercial

■

power amplifiers or consumer (home Hi-Fi) or specialized

telephone paging amps

■

Level controls to set Attendant Input and Background Music, relative to telephone level

■

Balanced audio inputs and outputs eliminate hum and noise

pick-up

■

High quality circuitry for low distortion and wide bandwidth

■

Simplified connections via modular telephone jack and Iugless terminal block

■

Inputs are routed to the output with the following priority (highest to lowest):

Attendant Access for emergency and other important announcements

Alert Tone 1 (siren) for evacuation warning, etc.

2. Telephone Access for general purpose paging

Alert Tone 2 (chime) for time clock, door bell, security

alert, etc. Nightbell for incoming, after-hours calls to ring audibly

over the public address system Music input for background music

■

Over-ride or busy tone is returned to the telephone user in the event of a higher priority

AT&T PagePal System Overview 1-3

■

Call Confirmation and Pre-Announcement tones may be disabled

An optional contact closure output is provided to control

■

auxiliary equipment (music/page switching, recorder logging, etc.)

■

Station access mode features:

1. VOX (Voice Operated Switch) controlled off-hook timer

2. Maximum length off-hook timer

3. Responds to forward disconnect (Calling Party Controlled Disconnect)

4. Dial tone detection and disconnect

5. Open Interval Protection (OIP).

1-4 AT&T PagePal System Overview

Installation

Installation 2-1

Important Safety Instructions

When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury to persons, including the following:

Read and understand all instructions.

Follow all warnings and instructions marked on the product.

Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a

damp cloth for cleaning.

Do not use this product near water, for example, near a bath tub, wash bowl, kitchen sink, or laundry tub, in a wet basement, or near a swimming pool.

Do not place this product on an unstable cart, stand, or

5. table. The product may fall, causing serious damage to the product.

Slots and openings in the cabinet and the back or bottom are provided for ventilation, to protect the product from overheating. These openings must not be blocked or covered. The openings should never be blocked by placing the product on the bed, sofa, rug, or other similar surface. This product should never be placed near or

over a radiator or heat register. This product should not

be placed in a built-in installation unless proper

ventilation is provided.

This product should be operated only from the type of

power source indicated on the marking label. If you are not sure of the type of power supply to your building, consult your dealer or local power company.

2-2 Installation

10.

WARNING: RISK OF ELECTRICAL SHOCK —

EQUIPMENT MUST BE PROPERLY GROUNDED. Your Harris equipment requires a properly grounded three-prong power receptacle for safe operation. Have the receptacle checked by a qualified electrician before connecting this equipment. Do not cut or remove the third (ground) prong from the power transformer.

Do not use two-prong extension cords or adapters to defeat the safety features of this equipment. If you

have a two-prong receptacle, it must be replaced with

a three-prong receptacle, installed by a qualified electrician.

not allow anything to rest on the power cord. Do not

Do locate this product where the cord will be abused by

persons walking on it.

Do not overload wall outlets and extension cords as this

can result in the risk of fire or electric shock.

11.

Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short out parts that could result in a risk of fire or electric shock. Never spill liquid of any kind on the product.

To reduce the risk of electric shock, do not disassemble

12. this product, but take it to a qualified serviceman when service or repair work is required. Opening or removing covers may expose you to dangerous voltages or other

risks. Incorrect reassembly can cause electric shock

when the appliance is subsequently used.

13.

Unplug this product from the wall outlet and refer servicing to qualified service personnel under the

following conditions: A. When the power supply cord or plug is damaged or

frayed.

B. If liquid has been spilled into the product.

Installation 2-3

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