Sony 9-pin

Also known as Sony 9-Pin Protocol, Sony BVW Protocol, REMOTE-1 Protocol or Sony RS-422.

RS-422 differential serial used by the professional video industry for control of tape decks, disk recorders, and other devices.

Pinout (Controller)

9 PIN D-SUB FEMALE at the Controller.

Pin	Dir	Name	Description
1		GND	Frame Ground
2		RX-A	Receive A
3		TX-B	Transmit B
4		TX-GND	Transmit Ground
5		n/c
6		Rx-GND	Receive Ground
7		RX-B	Receive B
8		TX-A	Transmit A
9		n/c

Note: Direction is Controller relative Device.

Note 2: Pin 9 may also be GND, Frame Ground.

Pinout (Device)

9 PIN D-SUB FEMALE at the Device.

Pin	Dir	Name	Description
1		GND	Frame Ground
2		TX-A	Transmit A
3		RX-B	Receive B
4		RX-GND	Receive Ground
5		n/c
6		Tx-GND	Transmit Ground
7		TX-B	Transmit B
8		RX-A	Receive A
9		n/c

Note: Direction is Device relative Controller.

Note 2: Pin 9 may also be GND, Frame Ground.

Communication settings

• 1 start bit, 8 data bits, 1 parity bit (odd), 1 stop bit
• 38400 bps

Contributors

• Bob Buckner
• Joakim Ögren

Links

• Sony 9-Pin Remote Protocol guide by Rick Davis

Sources

• Alesis ADAT M20 RS-422 Implementation
• Sony DVW-75 Beta SP Deck manual