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Ok - got pmaxd compiled on Debian, and now seem to have usable communication with the panel :-) Here a snip from the interesting lines when running in debug mode: INFO: [Sat Mar 7 00:57:39 2015 PmaxStatusUpdatePanel:0399]System status: disarmed Flags : Ready Arm/disarm-event INFO: [Sat Mar 7 00:58:1...

Hi again Ok - I am finally making progress :-) : I have now again connected to the top 2x7 pin header - using the pins shown here: Powermax+ serial port.png I then set up a ser2net daemon on the Raspberry Pi, sharing its serial port over the network. On a Windows 7 PC I then installed RealTerm and e...

Hi Vincent I'll go poke around on my spare Powermax+ to see whether there are other serial IO's on that port. I initially found out about that port via this post: http://www.raspberrypi.org/forums/viewtopic.php?f=44&t=25890 Unfortunately they don't seem to have gotten any further... Regards Nico...

So I opened up my panel - apparently my 2x5 header isn't labeled PC/IR but FL-PR (Flash/Program ?): IMG_0015.JPG IMG_0018.JPG When connecting to this port (the one marked by the green rectangle) I get a different output than before :-) but unfortunately still nothing passing the checksum test. power...

D'Oh! - stupid me - somewhere along the way I must have mistakenly thought the RX/TX pins on the 2x7 pin header would be identical to the ones in the hidden 2x5 header (PC/IP). Sorry for having taken your time - I'll open op the alarm panel and try communicating with the PC/IP port first thing tomor...

Hi I'll snap some pictures later. I am using the only exposed port on the Powermax+, which is a 14-pin header (2x7 pin) - where you can plug in the original visonic serial interface. There should also exist an internal port (2x5 pin I believe) but I must confess, that I have not yet tried hooking up...

Hi Ok - I just went through all timeout values from 4000 to 6000 ms in 100 ms steps :-) I seem to be getting the exact same decoding of the replies no matter which timeout value I choose :-( ERR: [Wed Feb 25 08:07:41 2015 deFormatBuffer:0199]checksum NOK calculated:00D5 in packet:0019 ERR: [Wed Feb ...

Hi again

Sorry for the delayed reply:
I have tried 3 various timeout values - 5000, 2000 and 20000 ms - and have attached the log file showing debug output from each.

Regards
Nicolai

Hi Thank you for your reply - much appreciated :-) I forgot to mention that I tested connectivity by connecting the USB TTL interface to my PC instead of the Raspberry, and was then able to use Visonics own application to communicate with the Powermax+ panel (upload/download and modify all configura...

Hi First of all - thank you to everyone working to reverse engineer the Powermax serial protocols - and especially viknet for creating the pmaxd code :-) I own a Visonic Powermax+ which I have connected to a Raspberry Pi (running Raspbian) via a USB TTL 3.3V interface. I have compiled the pmaxd bina...