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CH 2 Installation Method and Cautions
2-2-3. Connecting External Device(8 and 16 CH)
※ Connect it when power of the product is off.
※ Read through user's manual for the device you are connecting carefully.
1) How to Connect External Video/Audio Device
MONITOR Rear
CAMERA
MIC
VIDEO
AUDIO
IN
OUT
IN
OUT
Connect cameras to VIDEO IN by channels.
Connect microphone (AMP) to AUDIO IN by channels.
Connect VIDEO OUT to VIDEO IN of monitor.
Connect AUDIO OUT to AUDIO IN of monitor.
For Loop Out terminal at rear side, you can use it by connecting to the other external
device such as matrix which needs the camera input.
2) How to connect external sensor
Sensor terminal is composed of 16 input channels and 12 output ( 4 relays, 8 TTLs) c
hannels. As it shown as it below, if sensor output is TTL signal, connect SIGNAL li
ne to left and GND line to right by input channels.
*What are N/O (Normal Open), N/C (Normal Close)?
This is a terminology explaining operation method of Sensor. N/O Sensor is that
contact maintains Open status in normal condition and contact is converted to Close
status with beginning operation. Oppositely, N/C Sensor operates while contact
maintaining Close status converts to Open status.
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