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Introduction
Function
The telehone transmitter is part of the Visit alerting system that helps people
with hearing loss to notice signals in their home. It detects landline phones by
default but can also detect a number of other sources.
Connections
Landline telephone
RJ11 input to analogue telephone network: 26 - 120 V RMS, 15 - 100 Hz.
Smartphone or tablet
2.5 mm ext trig input via the BE9251 Mobile phone sensor accessory
BE9024 Contact mat or BE9023 Magnetic switch accessory
3.5 mm ext trig input
Doorbell, intercom, etc.
3.5 mm ext trig input via the BE9253 Cable accessory
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