Cable Healthcare Inc.
Austin, TX

Connections Diagram from the Head End Production Manual

This illustration is from one of CHC's video delivery systems production manuals, describing the connections and jumper settings for the S-Video G-Lock video card - which was capable of doing various video overlays and chroma keying.

The enitre system was built into a rolling equipment rack. filled with display devices, hard drives, and other equipment. The video card sat in slot #3 of a passive backplane next to several SBCs, multiport serial comm cards, modems, and other devices of a most ingenious nature.

Well, this was in 1995, back in the old days. It was hot stuff then. MPEG2 wasn't released yet.