Hi, I have a catalyst v4 with a Decklink image capture card. I'm looking to add a video switcher capable of handling at least 5 surveillance type cameras with a control via the catalyst. I found the Extron System 7SC switcher that has RS-232 control. What is the best switcher for catalyst control and how does it communicate?
Can I then take the output of the controlled switcher into the Decklink capture card?

thanks,
Johnny