Denon AVR-4806 - Control Protocol Manual

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DENON AVR/AVC control protocol
Ver. 4.4
Application model : AVR-4806/AVC-A11XV
Application terminal : RS-232C/ Ethernet
Connector specification
Ⅰ . RS-232C
Connector type : DB-9pin female type, slave straight connection (DCE type)
( 1pin : GND , 2pin : TxD , 3pin : RxD , 5pin : Common(GND) , 4,6,7,8,9pin : NC )
Communication format :
Synchronous system : Tone step synchronization
Communication system : A half duplex
Communication speed : 9600bps
Character length : 8 bits
Parity control : None
Start bit : 1 bit
Stop bit : 1 bit
Communication procedure : Non procedural
Communication data length : 135 bytes (maximum)