How do you connect Zoom and Focus to a rs232 to rs485/rs422

[tomta20012 0]

How do i connect this zoom focus to the green part ???

 

I cant find a good web site to explain it...

 

thanks

[Securame 0]

You don't. I guess those cables are from a zoom camera that is supposed to be mounted on a PTZ enclosure. The PTZ enclosure will be the one with the RS485 receiver, and it will be the one who will tell the camera when to zoom and when to focus. Those 4 wires are not for RS485.