![]() The system can accommodate up to seven hardwired loops, including a fire loop 7 which can accommodate a maximum of five smoke detectors 8. A digital dialer 5 is incorporated which can send an account number plus loop number, alarm, trouble and restore messages to a central station receiver via telephone lines 6. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systemsĪ control panel 1 includes a control board 2, power supply and battery 3 and an RF receiver 4.
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