O
O
I
I
N
N
T
T
5
5
6
6
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 (April, 2012)
14
2.4. Functional Description
DC 12V: Power input for supplying 12V DC power.
MIC/LINE IN
Connect external audio source or microphone.
Line Out
Connect speakers with built in amplifier. Audio from remote site is output through Line out in bi-directional
audio mode.
100Base-T
100Mbps Ethernet connector (RJ-45)
Alarm In/Out and Audio In
Used for connecting alarm sensor, microphone and speaker to OINT56B.
Description
LINE OUT (+)
1 V p-p audio signal output for amplified speaker.
MIC/LINE GND (-)
Ground for audio signals.
MIC/LINE IN (+)
Audio input: Can be used either for microphone or applying audio
signals from other audio equipment.
SENSOR IN
Sensor In (+). NC/NO selectable in admin mode.
SENSOR IN GND
Ground for sensor
SENSOR IN
Connect external alarm sensor. Examples of sensing devices are infrared sensor, motion sensor,
heat/smoke sensor, magnetic sensor, etc. Connect the two wires of the sensors to “SNS In”. The
sensor type (NC/NO) can be set in admin page. 10 mA can be flown into sensor device. Multiple sensor
devices can be connected in parallel.
