V-Tech VT27 Manual - Manual (Page 10)

7. Memory Sharing
Wiring Diagram for Memory Sharing
VT
-BDU
4B
3Y
2W
1R
4B
3Y
2W
1R
4B
3Y
2W
1R
4B
3Y
2W
1R
VT-BDU
JW/VP1 JW/VP2 JW/VP3 JW/OS
HI
75R
150R
SET-3Y
SET
-3Y
A
C
~
1 2 3 4
1 2 3 4
A
C
~
1 2 3 4
A
C
~
1 2 3 4
Wh ite
Red
Yel low
Bla ck
D
oor station
A
C
~
B
ac
k
V ie
w
User code=1 VT27SD/TD7
VT27/TD7
VT27/TD7
VT27/TD7 User
code=2
User
code=3
Reserve
JP/
V
D
R
es
er
ve
d
JP/
V
D
R
es
er
ve
d
JP/
V
D
R
es
er
ve
d
User
code=N(N<5)
JS-OS1
JS-AP JP/VD DC-IN
DC- DC+
JS-OS2 JS-VD
1R
12V 2W 4B
2W 3Y 4B 1R 2W 3Y 4B 1R 2W 3Y 4B
About the BDU instructions ,please refer to BDU user manual for more detail informations.
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