General Guidelines

If you combine a standard phone and PARTNER phone on one extension, you may want to turn off the ringer of the standard phone during normal use.

Instructions for installing the control unit, telephones, and other equipment are on the following pages (figures 2-1to 2-3).Before you begin, please note the following guidelines:

Using the System Planner is essential for knowing where phones and other equipment are to be installed, and how the system and phones are to be programmed.

Install the control unit so that it meets the environmental and electrical requirements listed on p. 1-4.

If wall mounting the control unit, you will need four #12 screws appropriate for the type of wall and weight of the control unit.

When connecting wires to the jacks on a 206 module, leave at least 2 feet of slack for removing the module without first disconnecting the wires. If you later replace the module, you can remove the old module with the wires in place and plug them into the new module one at a time.

PARTNER phones require at least 2-pair wiring and are compatible with AT&T 4-pair PDS wiring.

Standard phones and other equipment require 1-pair mounting cords (AT&T D2R mounting cords recommended).

When connecting two devices to a single extension, use only an AT&T 267F2 bridging adapter.

Connect a PARTNER display phone to extension 10 for system programming.

Do not connect doorphones to extensions 10, 16, 22, or 28.

Do not install telephones out of the building.

A hotline phone must be a standard, single-line phone, not a PARTNER telephone. However, the hotline phone can ring any type of phone.

During a power outage, neither the system’s features nor PARTNER phones work. However, standard, single-line touch-tone or rotary phones connected to extensions 10, 16, 22, and/or 28 can be used to place and receive calls. These extensions connect directly to lines 1, 3, 5, and 7, respectively. To prepare for a power failure, AT&T recommends:

■Store standard phones close to extensions 10, 16, 22, and/or 28. During a power failure, replace the PARTNER phone with the standard phone. Or, connect a standard phone to these extensions at all times, either by itself or combined with an PARTNER phone via a 267F2 bridging adapter.

■Do not program a Hotline on extension 10, 16, 22, or 28 to keep these extensions available for power failure use.

If upgrading from a one-module PARTNER system, remove the rubber feet that may be attached to the 206 module before installing.

If upgrading from a two-module PARTNER system, remove the module connector from the the two modules.

Installing the Hardware 2-1

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AT&T MLS-6TM, MLS-12DTM, MLS-12TM manual General Guidelines
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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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