Denon AVR-3805 Serial Protocol - Page 1

DENON AVR/AVC control protocol Application model : AVR-3805/AVC-3890 Application terminal : RS-232C Connector specification 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) Ver. 4.0 - 1 -