V-Tech DT-IP Technical Guide - Manual (Page 26)

2.2.5 Wiring Diagram
station
Guard Unit
DT-IPC
1 2 3 4 5 6
ON
CODE=1,DIP6=OFF
1 2 3 4 5 6
ON
CODE=2,DIP6=OFF
1 2 3 4 5 6
ON
CODE=3,DIP6=OFF
1 2 3 4 5 6
ON
CODE=4,DIP6=OFF
A Block B Block C Block D Block
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IP-2 wire system technical guide