Introduction
DVR ‘S’ Series User Manual
7
1.5 Connections
Video Connections
Video Output: Supports VGA/HDMI video output. You can connect to monitor through these
video output interfaces simultaneously or independently.
Audio Connections
Audio Input: Connect to microphone, pickup, etc.
Audio Output: Connect to headphone, sound box or other audio output devices.
Alarm Connections
Some models may support this function. Take 16 CH alarm inputs and 1 CH alarm output for
example.
Alarm Input:
Alarm IN 1~16 are 16 CH alarm input interfaces. There are no type requirements for sensors.
NO type and NC type are both available.
The way to connect sensor and the device is as shown below:
The alarm input is an open/closed relay. If the input is not an open/closed relay, please refer to
the following connection diagram: