V-Tech DT-TPC Manual - Manual (Page 9)

6.Wiring
Basic in-out mode(for villa)
AC~
DPS PS4
to telephone
network
to telephone
TPC
Code=0, DIP-6=off
1 2 3 4 5 6
ON
Code=13, DIP-6=off
1 2 3 4 5 6
ON
Code=14, DIP-6=off
1 2 3 4 5 6
ON
Bit1=off, DIP-6=off
1 3 2 4 5 6
ON
ID=00
1 2
ON
IN OUT
CALL
UNLOCK
TALK/MON
IN-USE
CALL
UNLOCK
TALK/MON
IN-USE
CALL
UNLOCK
TALK/MON
IN-USE
Note:The TPC unit occupies a user code of 15
8