User's Manual

SMT User Manual
Introduction
8
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 not support this function. Take 8CH alarm inputs and 4CH alarm output for
example.
Alarm Input:
Alarm IN 1~8 are 8 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: