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
s
s
M
M
a
a
n
n
u
u
a
a
l
l
Rev.1.2 (Oct. 2012)
13
- LINK/LAN LED (Orange)
It will be lit with orange color when network cabling is all right. Blinking orange color indicates that
normal data transmission is under way. Off state indicates that there is trouble in network connection.
ALARM IN/OUT and Composite Video Output
Figure 2-3 ALARM IN/OUT and Composite Video Output Terminal of OIPC21T7B
Used for connecting P/T device, sensor, and composite video output. Pin assignments are as follows.
Pin
Description
Misc.
1
SNS IN (+)
Sensor In (+). NC/NO selectable in admin mode.
2
SNS In (-)
Sensor In (-). NC/NO selectable in admin mode.
SNS IN : Examples of sensing devices are infrared sensors, motion sensors, heat/smoke sensors,
magnetic sensor, etc. Connect the two wires of the sensors to “SNS In”. The sensor type
(NC/NO) can be set in Administrative mode. 10mA can be flown into sensor device. Multiple
sensor devices can be connected in parallel.