PowerMax 4-pin RS232 port pinout

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PowerMax 4-pin RS232 port pinout

Postby ntherning » Sat Dec 17, 2016 10:09 pm


I have the Visonic PowerMax without any Powerlink port. There is however a 4-pin RS232 port but there's no info on pinout printed on the PCB. Did anyone successfully connect a cable to such a port? Could you please share the pinout?

Here are some photos of the PCB: https://goo.gl/photos/qaipndHJcnmsw23q8
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