I am attempting to control the operation of a Videotek RS-103A NTSC 10x1 video switcher over its RS-422 interface.

1. Does anyone have the pinouts of the DB-9 RS-422 serial connector on this switcher?

2. Is anyone willing to provide advice on troubleshooting RS-422 serial communication to/from this switcher and developing control software for it?

Thanks,
Tim

 

Since my original post, I have determined that the RS-422 interface and DB9 pinouts of the Videotek RS-103A conform to the SMPTE 207M implementation of RS-422.

I also located a useful reference on pinouts for SMPTE 207M RS-422 at:

http://chibiconsulting.com/serial/422ref.html

Problem has been solved!

Tim