AT&T 3.0 manual Considerations

Installing Multi-Function Modules

Tip/ring (T/R) devices such as single-line telephones, fax machines, modems, and credit card verification terminals. Once connected, the MLX telephone and adjunct work independently of each other. This means they can send and receive calls at the same time. The MFM is the only T/R adapter you can use with MLX telephones.

Supplemental alerts such as bells, chimes, horns, and strobes. These alerts notify people in noisy areas of incoming calls.

Considerations

Review the following items before you begin the procedure.

If you install an MFM, do so before you assemble the MLX telephone.

You must connect the KS 22911 power supply to an electrical outlet within 50 ft. (15 m) of cord length of the MLX telephone.

If you connect an MFM and two DSSs to a telephone, you must install a 406743419 power unit.

If a wall jack is more than 7 ft. (213 cm) from an MLX telephone, you must use a longer D8W cord.

The MFM uses one of the two channels when it is active, This means that when an adjunct, such as a fax machine, and the MLX telephone are in use at the same time, Voice Announce to Busy is not possible.

(Voice Announce to Busy is a feature that allows users to be paged on the speakerphone even if they are on a call.)

The MFM has two jumper blocks that are factory-set for T/R operation. The MFM is packaged with the following items, shown in Figure 3-1:

—KS22911 power supply

—400B or 400B2 adapter

—D6AP cord

3-2Installing Telephones and Adjuncts