AT&T MLC-6 Instruction Manual download pdf (Page 106)

In Case of Difficulty

If you should have a problem with your system, you may be able to solve it

yourself by following the appropriate troubleshooting procedures described in

this appendix. If you still need help, call the appropriate Helpline toll-free

number 24 hours a day:

United States:

1 800 628-2888

Canada:

Eastern Canada and Ottawa:

1 800 363-1882

Ontario:

1 800 387-4268

Central and Western Canada:

1 800 663-9817

If you call, have the following information ready so that the representatives can

better help you:

■ The kind of system you have (for example, PARTNER II, Release 1)

■

The number of lines and extensions in your system

■

The model number of the problem phone, if applicable (located on the

upper right-hand corner of the phone—MLS-34D, MLS-12D, MLS-12,

MLS-6, or MLC-6).

If you followed a troubleshooting procedure and need more help, tell the

representative what you did.

Power Failure Operation

When power to the system is cut off, the first line on each 206 module

automatically connects to the first extension on the module. For example: line 1

connects to extension 10; line 3 connects to extension 16; line 5 connects to

extension 22; line 7 connects to extension 28; line 9 connects to extension 34;

line 11 connects to extension 40; line 13 connects to extension 46; and line 15

connects to extension 52. This allows the system to maintain telephone service

during a power outage.

To make and answer calls during a power failure, you must use a standard

touch-tone or rotary telephone at extensions 10, 16, 22, 28, 34, 40, 46, and 52.

For this reason, it is strongly suggested that you have a standard telephone

connected—either directly or by a 267F2 bridging adapter—to the first

extension jack of every 206 module (extensions 10, 16, 22, 28, 34, 40, 46, and

52). The standard phone must not have its own power supply.

NOTE:

During a power failure, standard phones can only make and receive calls.

Other system features are not available.

The system can stay programmed for approximately four days after it stops

receiving power. After four days elapse, all of the system’s programmed

settings return to the factory settings.

B-2 Maintenance and Customer Support

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AT&T MLC-6 Instruction Manual Page 106

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