LT Security LTD2408-2416 - Manual (Page 18)

Digital Video Recorder User Manual
12
Name Description
14 Loop out For outputting each channel’s image independently
15 e-SATA Connect to HDD for backup
Tab 2.4 Definition of Rear Interface
Notice: The resolution of VGA output is 800*600/60Hz. If connected through VGA port, please assure your display supports the display mode. (For
most of LCD screens, they can adapt to it automatically without adjustment manually)
2.3.2 Install Sensor &Alarm
The DVR has eight channel alarm input and four-channel alarm output.
Alarm Input:
The alarm input is triggered by electric level (High: 5V, Low: 0V). Users can connect external sensors, like gas detector,
smoke detector and infrared detector. Once the DVR detect that the electric level meet the setting users make, it will
trigger DVR recording or alarm out.
For example, a sensor is connected to alarm input1. Cable A and B will be connected once the sensor detect event. Users
set Device type as NC (Normal Close). It will input +5V (high level) to input1 when events happen. DVR is triggered.
Fig 2.7 Sensor Connection