BusinessPhone – Dialog 4224 Operator / Dialog 3214
Accessories

## Alarm interface unit

Note:

Only available for the Dialog 3214.

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.

© Ericsson Enterprise 2003