Interlogix VR1500 Series - Manual (Page 2)

RS232 MODE
DATA OUTPUT
RS422 MODE
DATA OUTPUT
RS232 DATA
GROUND
+ DATA
- DATA
VT1500 Series
VR1500 Series
RS232 MODE
DATA INPUT
and
RELAY CONTACT
RS422 MODE
DATA INPUT
Ground
6
5
4
3
2
1
No Connection
+ Data Input
No Connection
Ground
6
5
4
3
2
1
No Connection
RS232 Data Input
No Connection
Relay Contact*
- Data Input
*For VR1500CC Series Only.