V-Tech DT-DBC4S Info - Manual (Page 2)

1. Parts and Functions
2. Unit Mounting
DBC4S
POWER IN-USE
BUS A
Output Output
B C D
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.
OFF
Impedance
switch
ON
DIP
1
2
3
1
2
3 ON
DBC4S
DIN Rail Mounting