Texecom Premier 24 Burglar Alarm GSM
I recently switched broadband providers from Sky to Virgin Media, one of the side effects of this is that I no longer need a landline phone line. A downside of this was that my burglar alarm could no longer talk to the outside world. (I was using a Texecom Com2400 PSTN telephony module) Since it was a pretty safe bet that the communications ports on the control panel motherboard were standard RS232 serial, I did a bit of googling to confirm that theory.. and quickly discovered that was a correct assumption. I hooked up a Chinese knock-off FTDI RS232-> USB adapter (99p), connected it up following the pinout I found online, and drilled a hole to allow me to mount the usb connector on the side of the panel. ...