extron makes a more representative box to do vga to sdi conversion,
many other companies do these boxes.


vsc700d:
http://www.extron.com/product/produc...700&subtype=39

usp 405:
http://www.extron.com/product/produc...405&subtype=39

vsc 900D, dual input:
http://www.extron.com/product/produc...900&subtype=39