Denon POA-3012CI - Multi-Zone Audio Distribution Power Amplifier Owner's Manual page 25

DENON control protocol
Application model : POA-3012CI
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 , Spin: 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)
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