AT&T Merlin II Feature Module 2 Data communications Podręcznik Użytkownika Pobierz pdf (Strona 190)

Power Failure Telephones

DESCRIPTION

In case of a power failure, a basic Touch-Tone or rotary telephone connected

to a Power Failure Telephone jack in a control unit module has access to

another line on the same module. (See Figure 2-26 to identify the PFT jack on

different line modules.)

When there is a power failure,

all of the system except for power failure

telephones, shuts off. If you have plugged a Power Failure Telephone

into the PFT jack, the basic telephone automatically goes on when a power

outage occurs.

You can use the power failure telephone to place and receive

outside calls.

CONSIDERATIONS

HOW TO USE

FIGURE 2-26 A Power Failure Telephone Jack on a 408, 800, and 400 module.

Bridges

to lowest

position

_ Power failure

telephone jack

Bridges

to lowest

position

408

400

w/TTR

Bridges

to lowest

Power

failure

telephone

jack

Power

failure

telephone

jacks

800

You cannot use a MERLIN II system voice terminal as a power failure

telephone.

Plug the basic telephone into the power failure telephone jack on a control

unit module. When there is a power failure, the power failure telephone

connects to the first line on the module.

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