I managed to pick up a 16x16 audio matrix switcher (VS-2216) from ebay for pretty cheap. But now we need a way of controlling it! It has a RS232 interface which should be pretty simple to interface with. The protocol for all (as far as I am aware) Kramer products

Continuing from the last post (albeit the delay), the Kramer finally showed up. To my surprise, I realised looking at the connections on the back, that the Kramer wasn't just a 16x16 switcher, but it was stereo 16x16! Awesome! Looking in more detail at the connections: there are 3 connections