Question

Which cable must I connect to car alarm in order to receive notification when alarm is beeping

Answer 1

Hello

It depends on what kind of Teltonika device you are using and what kind of control signal your Alarm gives when it is active/inactive.

Please provide more information about your case.

Best regards

Comments

Fmb920 should I use the din1 instead of acc?

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So if your alarm is giving the right signals, you can use the input:

DIN1

or

AIN1

details for pinauot

https://wiki.teltonika-gps.com/view/FMB920_First_Start#Pinout

Best regards

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Must it be ( din1) negative or positive ?

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It depends on what kind of Teltonika device you are using and what kind of control signal your Alarm gives when it is active/inactive.