Re: Video for RS232 or any relevant documentation

I didn't look up the specific Denon model you are controlling but I
have my system integrated via a AVR-4306 which has inbuilt Ethernet -
regardless the RS232 and TCP socket protocol are much the same. One
awkward thing about the Denon via TCP is that if a socket is kept open
it can get locked out for some reason, and if this happens it can't
reconnect. Only one concurrent connection is supported and so it
requires that the Denon be power cycled to reset the socket.

Because of this you have to make a choice of either a permanent open
socket in which case you get real time event information from the
Denon or an open/close socket approach which avoids the lockouts but
compromises the event information . The latter then requires a few
exchanges each connection to recover state information - or a scape
from the inbuilt web page.

K

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