AT&T MLC-6 Leitfaden

AT&T

AT&T 999-506-143

Comcode 10654341

Issue 2, April 1991

MLC-6 Cordless Telephone

Installation and Troubleshooting

Printed in U.S.A.

AT&T 999-506-143

Issue 2

April 1991

Notice

Every effort was made to ensure that the information in this booklet was

complete and accurate at the time of printing. However, information is

subject to change.

Federal Communications Commission (FCC) Information

For details, see “FCC Information.”

Trademarks

PARTNER and MLS-6 are trademarks of AT&T.

Warranty

AT&T provides a limited warranty for this phone; see “AT&T Limited Warranty.”

Ordering Additional Booklets and Quick Reference Cards

The order number for this booklet is 999-506-143. The order number for

Quick Reference: Display and Controls is 999-506-146. To order additional

copies of these reference materials, call 1 800 432-6600 (in Canada 1 800

255-1242). To order parts and accessories, see ’’Ordering Replacement

Parts.”

Safety Information

Before installing the telephone, please read and understand the safety

instructions on pages 1–4. This booklet also contains instructions related to

safety labels on the product:

WARNING indicates the presence of a hazard that can cause severe

or fatal personal injury if the hazard is not avoided.

CAUTION indicates the presence of a hazard that will or can cause

minor personal injury or property damage if not avoided.

Support Telephone Numbers

AT&T provides a toll-free customer Helpline 24 hours a day if you need

assistance when installing, programming, or using your cordless phone:

U.S.A. 1 800 628-2888

Eastern Canada and Ottawa

1 800 363-1882

Central and Western Canada

1 800 663-9817

Ontario

1 800 387-4268

Contents

Important Safety Instructions

■ Safety Instructions for Installation Personnel

Introduction

■ Privacy Information

■ Automatic Security Coding

Telephone Components

Parts List

Installation

■ Positioning the Base

■ Installing the Base

■ Inserting the Battery Pack

■ Replacing the Battery Pack

■ Charging the Batteries

■ Installing the Flexible Antenna

■ Testing the Installation

■ Filling Out Labels

■ Programming Channels (More Than One Cordless Phone)

Using the Carrying Holster

Troubleshooting

Maintenance

Ordering Replacement Parts

AT&T Limited Warranty

Customer Support

■ Helplines

■ Post-Warranty Service

FCC Information

■ FCC Part 15 Rules

■ Hearing Aid Compatibility

Using the Wall Mount Template

(inside back cover)

Important Safety Instructions

Follow these basic safety precautions when using your MLC-6

cordless phone.

WARNING: Risk of Electric Shock

Failure to properly ground this product will result in a risk of

electrical shock, which can cause serious personal injury. This

product requires a 3-prong AC power receptacle for safe

operation. You should have your receptacle checked by a

qualified electrician before connecting this equipment.

WARNING

Do not open or mutilate batteries. They contain caustic and

toxic chemicals. Do not dispose of in fires. The batteries may

explode and cause severe personal injury. Dispose of them in

accordance with the local sanitation codes.

■

Read and understand all instructions.

■

Follow all cautions, warnings, and instructions marked on the

product.

■

This product can be hazardous if immersed in water. To avoid

the possibility of electrical shock, do not use it while in the

bathtub or shower, or when you are wet. If you accidentally

drop it into water, do not retrieve it until you have first un-

plugged the power cord from the wall outlet and the line cord

from the modular wall jack. Refer service to qualified service

personnel.

■

If you suspect a gas leak, report it immediately, but use a

telephone away from the area in question. The telephone’s

electrical contacts could generate a tiny spark. While unlikely, it

is possible that this spark could ignite a heavy concentration of

gas. This product is not approved for use in areas labeled by

the Occupational Safety and Health Administration (OSHA) as

“explosive environments.” Only “Explosive Atmosphere Tele-

phones” may be used in such hazardous environments.

SAVE THESE INSTRUCTIONS

■

Never push objects of any kind into this telephone through

housing slots, since the objects may touch hazardous voltage

points or short out parts that could result in a risk of electric

shock. Never spill liquid of any kind on the telephone.

■

To reduce the risk of electric shock, do not disassemble this

product. There are no user serviceable parts inside. Opening or

removing covers may expose you to hazardous voltages.

Incorrect reassembly can cause electric shock when the

telephone is subsequently used. If your telephone does not

work properly, refer to “Troubleshooting.”

■

Replace with specified batteries only and insert with the correct

polarity.

■

Do not place the base on an unstable cart, stand, or table. The

product may fall, causing severe damage to the product.

■

Do not use liquid cleaners or aerosol cleaners. Unplug the

base from the wall outlet and remove the line cord from the

modular wall jack before cleaning.

■

Slots and openings in the housing and the back or bottom are

provided for ventilation. To protect the housing from overheat-

ing, these openings must not be blocked or covered. There-

fore, do not place the product on a bed, sofa, rug, or other

similar surface. Also, do not place this product in an enclosed

installation unless proper ventilation is provided.

■

Never place this product near or over a radiator or heat

■

Operate the base only from 120V AC power. If you are not sure

of the type of power supply to your home or business, consult

your dealer or local power company.

SAVE THESE INSTRUCTIONS

■

This product is equipped with a three-wire grounding-type plug

with a third (grounding) prong. This plug will only fit into a

standard grounding-type power outlet. If you are unable to

insert the plug into the outlet, contact a qualified electrician to

replace your obsolete outlet. Do not cut or remove the ground-

ing prong, or use 2-wire extension cords or adapters to defeat

this safety feature of the product.

■

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

■

Unplug this product from the wall outlet, remove the line cord

from the modular wall jack, and refer servicing to qualified

service personnel under the following conditions:

■

When the power supply cord or plug is damaged or frayed.

■

If liquid has been spilled on the product.

■

If the product has been exposed to rain or water.

■

If the product does not operate normally by following the

operating instructions. Adjust only those controls that are

covered by the operating instructions because improper

adjustment of other controls may result in damage and will

often require extensive work by a qualified technician to

restore the product to normal operation.

■

If the product has been dropped and the housing has been

damaged.

SAVE THESE INSTRUCTIONS

Safety Instructions for

Installation Personnel

WARNING:

This product must be properly grounded. Failure to do so can

result in a risk of electrical shock, which may cause serious

personal injury. Before product installation, verify that you are

installing the equipment at a properly grounded 3-prong AC

receptacle. If not, stop the installation and contact a qualified

service technician.

■

Never install telephone wiring during a lightning storm.

■

Never install telephone jacks in wet locations unless the jack is

specifically designed for wet locations.

■

Never touch uninsulated telephone wires or terminals unless

the telephone line has been disconnected at the network

interface.

■

Use extreme caution when installing or modifying telephone

lines.

■

This AT&T equipment is designed for installation on

PARTNER™ and PARTNER Plus systems only.

■

All wiring that connects to this equipment and becomes part of

the building wiring must be a minimum of CLASS 2 or U.L.

Listed Communications cable.

SAVE THESE INSTRUCTIONS

Introduction

The AT&T MLC-6 cordless telephone is compatible with your

PARTNER™ Plus or PARTNER Communications System. It gives

you the freedom of a cordless phone while providing the same

features as a corded MLS™-model telephone.

The MLC-6 cordless phone is functionally similar to the MLS-6™

corded phone.

The cordless phone can be programmed with

system features and dialing restrictions the same as any other

MLS-model phone.* For more information on how to program

the system, see the documentation provided with the system.

This booklet describes installation and troubleshooting procedures

for the MLC-6 cordless phone. Also included with the phone is a

card, Quick Reference: Display and Controls. After you have

installed your phone and understand its controls and displays,

follow call handling and programming instructions in Quick Refer-

ence for Users with MLS-Model Telephones to use the cordless

phone with your PARTNER Plus or PARTNER system. A supply of

Quick Reference cards is included with the system’s control unit.

Privacy Information

Commercial radio scanners can monitor voice conversations over

cordless phones. Privacy of communications cannot be guaran-

teed when using cordless telephones.

Automatic Security Coding

Your cordless telephone is provided with a digital security code

that is automatically changed every time you place the handset in

the base unit for 10 seconds or more. This code prevents un-

authorized use of your line and will also prevent a user with an-

other cordless handset from dialing calls on your line. However,

the security code cannot prevent unauthorized monitoring of your

telephone conversations by commercial radio scanners or similar

devices.

* System Password and Group Paging features are not available on the

MLC-6 cordless phone.

Telephone Components

BASE

HANDSET

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