User Manual

O
O
I
I
P
P
C
C
2
2
1
1
T
T
7
7
B
B
O
O
w
w
n
n
e
e
r
r
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M
M
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Rev.1.2 (Oct. 2012)
14
Sensor
Device
Sensor
Power
Supply
NO/ NCType
Sensor1-
Sensor1+
+12V
GND
Sensor
Device
Sensor
Power
Supply
Open CollectorType
Photo Coupler
Figure 2-4. SENSOR Input connection
 Factory Default Switch
A switch provided for returning the IP camera to factory default state. Open the cover to access the
switch. Press the switch for a few seconds while power is applied.
Figure 2-6 Factory Default switch of OIPC21T7B
Caution: Restoring the factory default will erase all settings.