Control Lines - UTC Fire and Security interlogix VT9930WDM Installation & Operation Instructions

VT/VR9930WDM
RS - 232 DATA
RS - 422 / 4 - WIRE
RS - 485 DATA
2 - WIRE
RS - 485 DATA

CONTROL LINES

1
2 Data Input
3 Data Output
4
5
6
7 Ground
8
20
1
2
3
4
5
- Data Input
10
11
+ Data Input
12 - Data Output
13
+ Data Output
20
1
2
3
4
5
- Data Input / Output
10
11
+ Data Input / Output
12
13
20
1
2
3
RTS
4
5 CTS
DSR
6
7
8
DCD
13
DTR
20