Interlogix VDR14100WDM Series - Manual (Page 2)

VDR14100WDM Series
RS232 DATA
RS422 DATA
2-WIRE
RS485 DATA
4-WIRE
RS485 DATA
NOTE: A 120 ohm resistor (provided)
may need to be connected across
the data lines to ensure proper
operation.
NOTE: A 120 ohm resistor (provided)
may need to be connected across
the data (in) lines to ensure proper
operation.
ON
OFF OFF OFF
3 2 1
ON
OFF OFF
ON
3 2 1
ON
ON
3 2 1
OFF
ON
ON
ON
2 1
ON ON
3
Data Input
Ground
Data Output
8
7
6
5
4
3
2
1 Fault Relay
Fault Relay
- Data Out
+ Data Out
8
7
6
5
4
3
2
1
- Data In
+ Data In
- Data In/Out
8
7
6
5
4
3
2
1 Fault Relay
+ Data In/Out
Fault Relay
- Data In
+ Data In
- Data Out
8
7
6
5
4
3
2
1
+ Data Out