AT&T MLS-6TM, MLS-12DTM, MLS-12TM manual Copyright 1990 AT&T All Rights Reserved Issue October

Page 2

Copyright © 1990 AT&T

AT&T 999-506-141

All Rights Reserved

Issue 2

Printed in U.S.A.

October 1990

Notice

Every effort was made to ensure that the information in this document was complete and accurate at the time of printing. However, information is subject to change.

Federal Communications Commission (FCC) Information

For important FCC interference, registration, and repair information, see appendix C of this document.

Trademarks

PARTNER is a trademark of AT&T.

MAGIC-ON-HOLD is a registered trademark of AT&T.

MLS-6, MLS-12, and MLS-12D are trademarks of AT&T.

SYSTIMAX is a trademark of AT&T.

Warranty

AT&T provides a limited warranty to this product. Refer to “AT&T Limited Warranty and Limitation of Liability” in chapter 9 of the System Manager's Guide.

Ordering Information

The order number for this book is 999-506-141. To order copies of this document, call 1 800 432-6600

in the U.S. or 1 800 255-1242 in Canada. For more information on how to order this and other PARTNERTM Plus system reference materials, refer to “Reference Materials” in the Introduction. For information on ordering replacement parts, accessories, and other compatible equipment, refer to the System Manager's Guide, appendix B.

Support Telephone Numbers

AT&T provides a toll-free customer helpline 24 hours a day. In the U.S. call the AT&T Helpline at 1 800 628-2888 if you need assistance when installing, programming, or using your system. In Canada call one of the following Technical Assistance Centers for service or technical assistance:

Eastern Canada and Ottawa:

1 800 363-1882

Ontario:

1 800 387-4268

Central and Western Canada:

1 800 663-9817

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Contents AT&T Copyright 1990 AT&T All Rights Reserved Issue October Contents Page About This Guide How to Use This GuideProduct Safety Labels How to Comment on This Guide Reference MaterialsSystem Components Specifications Other Equipment Control UnitPartner TeIephones An Example System Setup Example System SetupSystem Components and Specifications Specifications Technical and Environmental Specifications Grounding to comply with Underwriters Laboratories ULInstalling the Hardware General Guidelines Installing the Control Unit Mount the Backplane on a WallInstalling the Hardware Installing Telephones and Other Equipment Press and hold # button for 5 secondsWall Mounting a Partner Telephone Removing a Module Replacing a ModuleSystem Programming Alphabetic List of Procedures Programming Overlay Programming MethodsProgramming Extension Programming Overlay General Instructions System Day Programming ProceduresSystem Date System Time Number of LinesCode #106 Transfer Return Rings PBX Dial-Out CodeCode #105 ConsiderationRecall Timer Duration Code #107Code #109 Rotary Dialing Time out Outside ConferenceCode #108 Dial Mode Code #201Line Type Code #202Hold Disconnect Time Code #203Valid Entries 1 = Assigned Line AssignmentCode #301 Valid Entries 1 = Line Use RestrictionCode #302 Valid Entries 1 = English Display LanguageCode #303 Automatic Privacy Code #304Abbreviated Ringing Code #305Copy Settings Outgoing Call Restrictions Code #401Code #403 Toll Call Prefix System PasswordCode #402 Valid Entries Any 4 digitsDisallowed Phone Number Lists Code #404Prevents all ca!ls to area code Disallowed List Assignment Code #405Emergency Phone Number List Code #406Code #408 Allowed Phone Number ListsCode #407 Pickup Group Extensions Code #501Calling Group Extensions Code #502Programming Notes Night Service ButtonCode #503 Night Service Group Code #504Fax Machine Extensions Code #601Valid Entries 1 = Active Music On HoldCode #602 Hotline Code #603Code #604 Doorphone 1 ExtensionDoorphone 2 Extension Code #605 Doorphone Alert Extensions Code #606System Reset Programming Saved System Speed Dial Numbers Code #728Press Feature 0 0 . The display reads Recall EnableFunction Button Display Description and Example Pause StopCentralized Telephone Programming Personal Speed Dial Numbers Overview Buttons and Labeling Sheets for Partner Phones Automatic Line Selection To exit Automatic Line Selection, press the star * twiceLine Ringing Options Valid Entries Immediate ringPersonal Speed Dial Numbers Auto Dial Numbers Exclusive Hold Feature CodeDo Not Disturb Save Number Redial RecallLast Number Redial Conference Drop Touch-Tone Enable PrivacyMessage Light On Message Light Off Call Pickup Pickup GroupLoudspeaker Paging Calling Group Programming for Operation Behind PBX or Centrex Programming Method aProgramming Method B No Outside Line Access Dialing Restrictions SummaryOutside Dialing Allowed Dialing Restrictions An Example Dial 1 201 Dial 1 800FCC Information Page Index Hotline #603, 3-31programming for, 2-1standard phone used as I i Wires, connecting, 2-2to 2-3Wiring specifications, 1-5,2-1 O g r a m m i n g Quick Reference System Programming Programming Quick Reference Issue 2, October
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MLS-12DTM, MLS-12TM, MLS-6TM, MLS-12D specifications

The AT&T MLS-12 and MLS-12D are advanced mobile communication solutions designed to meet the demands of modern businesses and organizations. These systems are known for their robust performance and reliability, making them ideal for various sectors including public safety, transportation, and industrial applications.

One of the main features of the MLS-12 is its strong emphasis on voice clarity and audio quality. The system is integrated with cutting-edge noise reduction technologies that ensure clear communication even in noisy environments. This is particularly important for users operating in the field, where ambient noise can significantly impact radio communications.

The MLS-12D, on the other hand, enhances the capabilities of the standard MLS-12 by incorporating digital technologies that allow for advanced data services alongside voice communications. This dual functionality is critical in today's fast-paced environment, where instant access to information can streamline workflows and enhance decision-making processes. Users can send and receive text messages, access applications, and share data in real time, all while maintaining high-quality voice communications.

Both models feature an intuitive user interface designed for ease of operation, enabling quick access to essential functions. They are equipped with durable hardware built to withstand harsh conditions, ensuring operational reliability in environments where traditional communication systems may falter.

In terms of connectivity, the MLS series supports various frequency bands and communication protocols, making it versatile and compatible with multiple networks. This flexibility allows organizations to tailor their communication systems to fit unique operational requirements, further enhancing productivity.

Security is a significant concern in any communication system, and the AT&T MLS-12 and MLS-12D address this with advanced encryption technologies that safeguard voice and data transmissions. This feature is crucial for sectors that handle sensitive information, as it helps protect against unauthorized access and data breaches.

In conclusion, the AT&T MLS-12 and MLS-12D stand out as formidable choices for organizations looking to enhance their communication capabilities. With their emphasis on audio quality, advanced data services, user-friendly interfaces, robustness, and security, these devices are well-equipped to meet the evolving demands of modern communication in various industries.