Use Rs-422(Visca); Rs422 (Visca) Connection - Bolin Technology D Series Manual

12. How to make RS232 Daisy Chain multiple camera connection with standard RS232 serial port
controller as below:

Use RS-422(VISCA)

You can use RS-422/485 port to connect optional controllers, such as joystick keyboard controller or PC
control station, to operate the camera. To perform pan/tilt and zoom operations, use the joystick of the
keyboard controller. Preset operation can be done using the control buttons on the keyboard as well. An
application software that supports this camera is needed if using a PC station.

RS422 (VISCA) connection

1. Set RS422 control method on Bottom Dip Switch.
2. Set Baud Rate on Bottom Dip Switch to the same as Baud Rate setting on the keyboard you are using.
3. Set specific camera address that you want to control the camera for via the Bottom Dip Switch.
4. If you want to have the camera address automatically assigned by VISCA controller, set camera Dip Switch
address to 0.
5. Reboot the camera after the Bottom Dip Switch has been set up correctly.
6. Use the RJ45 to RS422 control cable. The controller must be VISCA compatible.
7. Camera supports Daisy Chain connection up to 7 cameras.
8. The connection of SONY keyboard is different than other VISCA (Non-Sony) keyboard.
9. How to make RS422 connection and RS422 Daisy Chain connection with SONY controller is shown below
18