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AT&T 999-506-143
Comcode 10654341
Issue 2, April 1991
AT&T
MLC-6 Cordless Telephone
Installation and Troubleshooting
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AT&T 999-506-143 Copyright © 1991 AT&T Issue 2 All Rights Reserved April 1991 Printed in U.S.A. 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.” Orderi
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Contents Important Safety Instructions 1 ■ Safety Instructions for Installation Personnel 4 Introduction 5 ■ Privacy Information 5 ■ Automatic Security Coding 5 Telephone Components 6 Parts List 8 Installation 9 ■ Positioning the Base 9 ■ Installing the Base 11 ■ Inserting the Battery Pack 13 ■ Replacing the Battery Pack 14 ■ Charging the Batteries 14 ■ Installing the Flexible Antenna 15 ■ Testing the Installation 15 ■ Filling Out Labels 16 ■ Programming Channels (More Th
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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 a
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■ 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 i
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■ 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 produ
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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 loca
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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 documenta
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Telephone Components BASE 6
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HANDSET 7
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Parts List Along with this booklet, the box should contain the items shown on this page. If it does not, call the AT&T Helpline at 1 800 628-2888. 8
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Installation Important: Before beginning installation, please read and understand “Important Safety Instructions” and “Safety Instructions for Installation Personnel” at the beginning of this booklet. Be sure the base is unplugged before you begin. Positioning the Base The MLC-6 cordless phone uses radio transmissions to communi- cate. Its range depends on your particular operating environment, and can be improved by placing the base in an optimal location. The base can be placed on a desk or ta
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The handset does not need to be located with the base except for charging. For best coverage, place the base in a central location, away from concentrations of structural metal such as steel and aluminum or reinforced concrete. Use the handset at another desk or while moving about your work location. For indoor use, place the base so that walls do not block the base from the area where the handset will be used. (See the figure below.) Intervening walls will reduce the phone’s range. Poor Base Lo
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Installing the Base If desk mounting, skip step 1 and steps 3–6. If wall mounting, remove the Plug one end of the modular four screws in the bottom of the telephone cord into the jack on the base. Turn the bottom of the base bottom of the base. Then route it 180° as shown above, then screw it and the AC power cord along their back into place. respective channels. Reverse the handset hook. Mark screw locations using Press the hook down and slide it up the Wall Mount Template on the out of its slo
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Install mounting sleeves and Mount the base. Place the screws. Lightly tap a nail into marks base over the screws, than slide it on wall to start holes. Then slip each downward slightly to lock it into screw into a mounting sleeve (with place. screw head in wider barrel of sleeve and screw securely into wall. Plug power cord/adapter Plug modular telephone cord into a modular wall jack. (Alterna- into a properly grounded 3-prong wall outlet. tively, you can plug the cord directly into a system
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Inserting the Battery Pack If a battery pack is already in Remove battery cover from the handset by pressing down the compartment, first unplug the on the raised dots and sliding the battery cord from the handset and cover towards you. remove the old battery pack. Place the new battery pack in the compartment with the battery cord coming from the top left side of the battery pack. Plug the white plastic end of the cord attached to the battery pack into the battery connector jack compartment. Th
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Replacing the Battery Pack When the power in the battery pack for the MLC-6 phone is low, the message BATT appears in the handset display. The life of the battery pack is approximately two years. To order a replace- ment battery pack, see “Ordering Replacement Parts.” To install a new battery pack, see “Inserting the Battery Pack.” Be sure to properly dispose of the old battery. WARNING: Do not open or mutilate batteries. They contain caustic and toxic chemicals. Do not dispose of in fires. The
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Installing the Flexible Antenna The handset comes with a rigid telescoping antenna installed. Normal operation of the cordless phone requires you to manually extend this antenna when making a call. If you prefer, you can use the flexible antenna, which does not need to be extended or retracted. To install the flexible antenna: 1. Remove the telescoping antenna from the handset by unscrewing it counterclockwise. 2. Insert the end of the flexible antenna into the handset and screw it in clockwise
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Filling Out Labels Using a ball-point pen or pencil only, write the following information on the erasable labels and directory card: On the labels above and below the handset display, first peel off the protective plastic overlay, then write line numbers or programmed features assigned to each of the outside line/pro- grammable buttons. See the above illustration and Quick Reference: Controls and Displays. On the directory card, write any important phone numbers, exten- sion numbers, or Speed D
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Programming Channels (More Than One Cordless Phone) Channels 0-9 are available to MLC-6 cordless phones. If you use more than one cordless phone, you should program each one to operate on different channels to avoid channel interference. To program channels: 1. Verify that the antennas on the base and handset are fully extended. 2. While the handset is turned off, press [ Feat ] and then press the Channel button. CH C appears on the display to indicate that the phone is in channel program mode a
