AT&T Merlin II Feature Module 2 Data communications Guide de l'utilisateur télécharger pdf (Page 183)

Frequency

DESCRIPTION

CONSIDERATIONS

HOW TO USE

Generator

If your

basic carrier or expansion carrier has a 12-Basic Telephone (012)

Module, you must connect a Frequency Generator to the Power Module,

located in the first slot of each carrier containing basic telephone modules.

See Figure 2-20.

The frequency generator converts 117-volt, 60-Hz input power to 105-volt,

30-Hz ringing voltage for basic telephones connected to the 12-Basic

Telephone Module.

FIGURE 2-20 A frequency generator.

Frequency generator

You must remove each Power Module that has a 12-Basic Telephone (012)

Module from its carrier before you insert the frequency generator. However,

before inserting or removing the Power Module, be sure to turn off its power

switch. If your system has an expansion unit, turn the power switch off on

the basic unit’s Power Module first, then turn off the power switch on the

expansion unit’s Power Module.

The frequency generator provides ringing power to the basic telephones in

your system.

If you are using a basic telephone and it does not ring, contact

your system administrator.

Accessory Equipment

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AT&T Merlin II Feature Module 2 Data communications Guide de l'utilisateur Page 183