Interlogix VR7800-2DRDT Series - Manual (Page 2)

VT/VR7800-2DRDT
RS232 DATA
Data Input
Ground
7
6
5
4
3
2
1
Data Output
ON
OFF
ON
2 1
RS422 DATA
- Data In
+Data In
7
6
5
4
3
2
1
- Data Out
+ Data Out
- Data In/Out
+ Data In/Out
7
6
5
4
3
2
1 2-WIRE
RS485 DATA
4-WIRE
RS485 DATA
- Data In
+ Data In
7
6
5
4
3
2
1
- Data Out
+ Data Out
ON
OFF OFF
ON
ON
OFF
ON
ON ON