birddog P240 - RS422 Keyboard Wiring

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Sony Keyboard RS422 Connection
The connection of a SONY keyboard is dierent than other VISCA (non-Sony) keyboards. Follow the scheme
below if daisy chaining multiple cameras using a SONY controller via a RS422 connection.
Non-Sony Keyboard RS422 Connection
Daisy chain multiple cameras with a non-Sony controller via a RS422 connection.
Camera
5. GND
4. T +
3. T –
2. R +
1. R –
Keyboard
1. ---
2. ---
3. ---
4. ---
5. GND
6. RXD IN –
7. RXD IN +
8. TXD IN –
9. TXD IN +
RS422 (VISCA) Daisy Chain
Multiple Cameras Connection
(SONY Keyboard)
RX +RX –T X +TX – GND
RX +RX –T X +TX – GND
RX +RX –T X +TX – GND
RX +RX – TX +TX – GND
KEYBOARD
CAM 1
CAM 2
CAM 7
SONY Keyboard
Connection
Camera
5. GND
4. TXD IN +
3. TXD IN –
2. RXD IN +
1. RXD IN –
Keyboard
1. GND
2. RXD IN –
3. RXD IN +
4. TXD IN –
5. TXD IN +
RS422 (VISCA) Daisy Chain
Multiple Cameras Connection
(VISCA Keyboard)
RX +RX –T X +TX – GND
RX +RX –T X +TX – GND
RX +RX –T X +TX – GND
RX +RX –T X +TX – GND
KEYBOARD
CAM 1
CAM 2
CAM 7
VISCA Keyboard
Connection