V-Tech DT-DBC4S User Manual
DT-DBC4S USER MANUAL
1. Parts and Funcons
DBC4S
Impedance
switch
IN-USE
POWER
OFF
ON
DIP
1 2 3
Output Output
V1.0 20120417
ON
2 3
1
BUS
A
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 aer seng.
Bus:Input port,bus connecon port.
A,B,C,D:Output port,connect to indoor monitors or door staons.
DIP :Used for current control when connected with different devices.
2. Unit Mounng
DBC4S
DIN Rail Mounting
-1-
3. DIP Switch Seng
switch
The DIP switch in the back of the panel is used to adjust the terminal start-up current.
Please refer to the followings for more detail informations about the DIP settings:
DIP Bit State Descriptions
ON
ON
ON
ON,OFF,OFF
3
2
1
OFF,ON,OFF
3
2
1
OFF,OFF,ON
3
2
1
The output port A,B,C,D connected with the device such as
monitor(all DT model monitors),outdoor camera(DT59x),and
DMR11 series without ID function model.
The output port A,B,C,D connected with DMR11 series with ID
function model.
The output port A,B,C,D connected with DMR18 or DMR18/ID
series door station.
Please note that DT59x(like DT591) and DMR18 can not be connected to the same
DBC4S, If it happen,please use two DBC4S.
The same situation as DMR11 and DMR18 model.
4. System Wiring with DBC4S
Mulit Door Station Wiring:
1# Camera
ID=10
ON
ON
12
1 2
ID=00
ON
ON
12
1 2
monitors
L1 L2 PL S1+ S2+ S-
L1 L2 PL S1+ S2+ S-
2# Camera3# Camera4# Camera
ID=01ID=11
L1 L2 PL S1+ S2+ S-
ON
ON
12
1 2
L1 L2 PL S1+ S2+ S-
ON
ON
12
1 2
DIP=on,off,off
A B C D
DBC4S
OFF
ON
DPS
Impedance
Note:the diagram uses DT591 as an example.
-2-
PS5
85~260VAC
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