Download 4 Wire Video Intercom System

Door station
4
3
2
1
1R
2W
3Y
4B
1R
2W
3Y
4B
1R
2W
3Y
4B
4B
2W
12V
Back View
JP/VD
Red
JS-OS2
Black
JS-OS1
White
JS-AP
Yellow
User code=1
VT27SD/TD7
AC ~
Reserve
JS-VD
DC-IN
DC- DC+
SET-3Y
150R
75R
HI
SET-3Y
VT-BDU
JW/VP3
1R 2W 3Y 4B
JW/VP2
1R 2W 3Y 4B
JW/VP1
1R 2W 3Y 4B
JW/OS
1R 2W 3Y 4B
User code=N(N<5)
VT-BDU
JP/VD Reserved
4
3
2
AC ~
JP/VD Reserved
4
3
2
1
VT27/TD7
1
AC ~
User code=3
VT27/TD7
JP/VD Reserved
4
3
2
1
VT27/TD7
User code=2
About the BDU instructions ,please refer to BDU user manual for more detail informations.
AC ~
-9-
7. Memory Sharing
Wiring Diagram for Memory Sharing