EasyN NR-1-B Series - Manual (Page 8)

8
Name Connection instruction
Power switch Power on/off
Power interface 12V power supply
RJ45 interface Network interface
Audio In Interface for audio input device such as microphone.
Audio out Interface for audio output device such as voice box.
VGA interface Interface for VGA display device
USB Interface Interface for USB devices such as mouse, flash cards.
Alarm in Interface for alarm input( 2 channels)
Alarm out Interface for alarm output(2 channels)