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Page 14
OSDP Blade
Door /
OSDP
Door 2
I/O 1
I/O 2
External
power
+12 V
+5 V
GND
RS485 A
RS485 B
OSDP Reader connections
+
_
Exit switch
Door sensor
+12 V
Sounder
GND
REX
GND
Sensor
Contact Only (no fault detection)
Reader Connections
Door Connections
The Door Sensor circuit may also be configured with
1K line resistors for fault detection.
Sounder