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hello. i have powermaster g10 and i need to know if someone know the pin layout from gsm port? i want connect one gsm module like this one:
this one on ebay: its sim900 based and receive data by rx and tx pins.

http://www.ebay.com/itm/SIMCOM-SIM900-Q ... 4d1d2ebbca

bun i dont know visonic pinout . not even tx and rx pins. anyone know how do something like that?or how to implement this module or someting like that. i defenitly wont pay 150€ for a visonic gsm module. don't wort that value and i like eletronics,so i can at least try:)

thanks

so nobody know nothing about this??

if you like electronics, you will manage to find yourself rx and tx :=) some methodes are provided over the internet, here for example http://wiki.openwrt.org/doc/hardware/port.serial

I manage to found rx and tx on the pc/ip port, (see 3 thread below with picture)
but doing that is by far the easiest part of connecting an arduino shield to the powermax, you also need some software, maybe implementing the visonic protocol on arduino :=)

good luck for doing so