15 January 2007
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DENON AVR/AVC/DRA control protocol
Ver. 5.0.0
Application model : DRA-697CiHD (HD Radio upgraded DRA-697ci)
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)