Description

IN-USE: Status indicator,it will light up when receives signal.

POWER: Working indicator,it will light up when plugs in power supply. 

Impedance Switch: Video match switch,the last DBC4S at the end of the bus should set ON to match the video impedance,the power indicator will turn to orange after setting.

Bus: Input port,bus connection port. A,B,C,D:Output port,connect to indoor monitors or door stations.

DIP: Used for current control when connected with different devices.