AT&T MLS-12DTM, MLS-12TM, MLS-6TM manual Technical and Environmental Specifications

Page 12

Table 1-1 Technical and Environmental Specifications (cont.)

Electrical

● 90-130 VAC, 50-60 Hz, 3-prong outlet separate ground, separately fused at 15 amps

Requirements

● Outlet must not be controlled by an on/off switch

● Grounding to comply with Underwriters Laboratories (UL) 1459:

 

 

A. An insulated grounding conductor that is not smaller in size and equivalent in insulation material and

 

thickness to the grounded and ungrounded branch circuit supply conductors, except that it is green

 

with or without one or more yellow stripes, is to be installed as part of the circuit that supplies the pro-

 

duct or system.

 

B. The grounding conductor mentioned in item A is to be connected to ground at the service equipment.

 

C. The attachment-plug receptacles in the vicinity of the product or system are all to be of a grounding

 

type, and the grounding conductors serving these receptacles are to be connected to earth ground at

 

the service equipment.

 

 

Wiring

● MLS-model phones: AT&T SYSTIMAXTM or at least 2-pair (4-wire) star (“home run” not “loop”)

 

● Other standard telecommunications equipment (single-line phones, fax machines, answering

 

machines, etc.): 1-pair (2-wire) mounting cords (AT&T D2R mounting cords recommended)

 

● Bridging adapter: AT&T 267F2

 

● Range: 1,000 feet (305 meters) for MLS phones; 3,000 feet (915 meters) for standard dev-

 

ices

Local Phone

Company

Information

●FCC registration number: AS5 USA-61630-KF-E

●REN outside line jack: 0.9A per line jack

●REN (PARTNER phone): 0 (zero)

●Jack type: RJ11C

●Loop start lines

System Components and Specifications 1-5

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Contents AT&T Copyright 1990 AT&T All Rights Reserved Issue October Contents Page How to Use This Guide Product Safety LabelsAbout This Guide How to Comment on This Guide Reference MaterialsSystem Components Specifications Control Unit Partner TeIephonesOther Equipment 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 Methods Programming ExtensionProgramming Overlay Programming Overlay General Instructions Programming Procedures System DateSystem Day System Time Number of LinesTransfer Return Rings PBX Dial-Out Code Code #105Code #106 ConsiderationRecall Timer Duration Code #107Rotary Dialing Time out Outside Conference Code #108Code #109 Dial Mode Code #201Line Type Code #202Hold Disconnect Time Code #203Line Assignment Code #301Valid Entries 1 = Assigned Line Use Restriction Code #302Valid Entries 1 = Display Language Code #303Valid Entries 1 = English Automatic Privacy Code #304Abbreviated Ringing Code #305Copy Settings Outgoing Call Restrictions Code #401Toll Call Prefix System Password Code #402Code #403 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 #406Allowed Phone Number Lists Code #407Code #408 Pickup Group Extensions Code #501Calling Group Extensions Code #502Night Service Button Code #503Programming Notes Night Service Group Code #504Fax Machine Extensions Code #601Music On Hold Code #602Valid Entries 1 = Active Hotline Code #603Doorphone 1 Extension Doorphone 2 Extension Code #605Code #604 Doorphone Alert Extensions Code #606System Reset Programming Saved System Speed Dial Numbers Code #728Press Feature 0 0 . The display reads Enable Function Button Display Description and Example PauseRecall 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 Feature Code Do Not DisturbExclusive Hold 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.
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