IF501 The Leviton Interface (I/F) 501 is a flexible protocol interface device with a host of different in/out combinations of the following protocols: DMX512, CMX, AMX, Microplex, Luma-Net, Midi, RS232, and 0-10v analog. | NPC The Network Protocol Converter (NPC) by Leviton provides exceptional convenience and flexibility as an interface for remote devices, displays, along with the networking opportunities for theatrical and archite ctural control devices. U.S. Patent Numbers: 6,930,455 & 6,020,825 & 5,668,537. |