TA74 User Manual Operation | en 47
TA74_UM_EN_V2.5_2019.09_Final © TeleAlarm SA
Battery charge in the wireless components
The battery charge of the wireless components is tested every 21 hours. If alarm receivers
are configured, the error message is transmitted automatically.
Battery charge, TA74
The installed unit battery is tested every twelve hours (every two hours in the event of a
power failure). If the battery charge is too low, an acoustic error message is output on
the device. If alarm receivers are configured, the error message and the re-establishment of
the battery charge are transmitted automatically.
Voltage monitoring
In the event of a voltage failure on the TA74, an acoustic error message is output on
the device. If alarm receivers are configured, the error message and re-establishment of the
mains voltage supply are transmitted automatically.
Performance monitoring
In the event of the failure of PSTN (analogue), Ethernet (LAN) and GSM (cellular network)
transmission, an acoustic error message is output on the device. If alarm receivers are
configured, the error message and re-establishment of the line are transmitted automatically.
In the case of PSTN and Ethernet, this takes place after one minute, in the case of GSM
after 60 minutes.
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