My system didn't detect the receiver as being a Denon either as the script fails with an error related to the serial port for some reason (try running it manually to confirm). I guess it could be a problem with the USB->Serial converter and LMCE. At least you have confirmed that the device responds to commands and shows status messages using a laptop. I have checked my logs and they also show the ruby code during startup. I also notice that the Denon AVC receiver autodetection script reports that the attached hardware is not a Denon receiver. If I use the same USB to serial adapter and plug it into my laptop I am able to see the status of the receiver using hyperterminal and also control it by typing commands. Also manually triggering commands from the web admin has no effect upon the log or the device itself. Sadly, no state change on the Denon receiver makes anything appear in the logs. If you try to type the command in to Hyperterminal, you can't get it in fast enough to be recognised.ġ 01/06/09 22:19:54 /usr/pluto/bin/Spawn_Device.sh 155 (spawning-device) device: 155 ip: dcerouter cmd_line: Generic_Serial_DeviceĠ 01/06/09 22:19:54 155 (spawning-device) Entering 155ġ 01/06/09 22:19:54 155 (spawning-device) Starting. My conclusion was that you have to zap it with the command in a short space of time after going from Standby to On. Prior to that, it is deaf and dumb (at least - mine was). Thereafter, you can control the Denon via RS232. If it has worked, the Denon will turn off. Now turn on the Denon with the Standby button, and while it is starting up use Edit, Copy clipboard to host in Hyperterminal Type the word PWSTANDBY and one linefeed into a Notepad document, copy this into the Clipboard (this must be in upper case) Use Hyperterminal at 9600,n,8,1 and NO flow control (that's important) Connect a laptop with a straight RS232 cable You need the RS232 Protocol manual from the USA Denon site (not available in my home country - the UK) Here is the recipe (please don't ask me for support on basic PC stuff like Windows, Hyperterminal etc - you'll find that elsewhere) Eventually, reading between the lines in the manual I worked out. Quote RS232 To start with, I could NOT get the RS232 to work, despite me being an experienced comms type person.
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