Broadcast automation systems and post-production linear editing facilities use RS-422A to remotely control the players/recorders located in the central apparatus room.

CAR/TAR (Central Apparatus Room/Technical Apparatus Room)

A mains distribution unit (MDU) is a rackable power distribution electrical device, mostly used in high-availability environments like central apparatus rooms, data centers, server rooms to distribute clean power within racks.

The telecine, VTRs and some of the larger equipment are often placed in a central apparatus room or machine room and are interconnected through Cable trays or raised floor to the color suite by patch panels, Coaxial cables, Computer network and Multicore cables.