Owner manual

3. System Topology
-2-
●
JW/OS:
Input port; Connect to the door station.
●
JW/VP1:
Output port; connect to indoor monitors or next BDU unit.
●
JW/VP2:
Output port; connect to indoor monitors or next BDU unit.
●
JW/VP3:
Output port; connect to indoor monitors or next BDU unit.
3.1 Long distance video repeat
VT System Distributor
VT-BDU
Max.50 meters
4
Max.50 meters
VT-BDU
SET-3Y
4
AC ~
AC ~
4B
3Y
2W
1R
4B
3Y
2W
1R
4B
3Y
2W
1R
VT-BDU
JW/VP1
JW/VP2
JW/VP3
1R
2W
3Y
4B
JW/OS
HI
75R
150R
SET-3Y
Note:SET-3Y set to 75R when the distance from door station to BDU is within 50
meters,otherwise set to 150R.