BusinessPhone – Dialog 4223 Professional / Dialog 3213
Accessories

## Alarm interface unit

Note:

Only available for the Dialog 3213.

This plug-in module is fitted into the bottom of the telephone. It makes it possible to transfer alarm signals from various devices via the telephone to the exchange and to a pre-defined extension. A special circuit layout provides maximum functional security.

To a telephone fitted with an alarm interface unit you can connect devices such as bathroom alarms for hotel rooms, emergency alarms for hospitals, bank security alarms and supervision of machines.

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