Daktronics Protocol

Console Series	MDP (Multi-Drop)	MLP (Multi-Line)	MCP (Multi-Cast)
RC-100	X
AS 100	X(BB-114)
AS 1000		X
AS 1600	X	X
AS 2000		X
AS 3000	X	X
AS 4000		X
AS 5000	X	X
AS 5500			X

Daktronics uses a 20 mA Current Loop