Bolin Technology BC-7 Series User Manual page 19

SONY Keyboard RS422 Connection
10. How to make RS422 connection and RS422 Daisy Chain multiple cameras connection with Non-Sony controller as below:
VISCA (Non-Sony) Keyboard RS422 Connection
11. Use extension cables RJ45 to RS422 Phoenix connecter adaptor included to make RS422 connection for your control device.
12. Or you can use CAT5/6 T-568B Standard Ethernet cable direct connect between the camera and the controller to make
RS422 connection by following the pin definition below:
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