Moxa MxNVR Industrial Video Recorder
Introduction
2-7
Product Description
BNC video input
The BNC video input is a 1Vpp, 75-ohm video port for connecting an external camera. To ensure that the
correct video modulation type is detected, the cameras should be connected and powered on before the
MxNVR-MO4 is powered on.
NOTE
Please use a standard CCTV cable (RG59U or above) to connect the video camera to the MxNVR-MO4’s BNC
connector.
DB9 male connector for audio inputs
The MxNVR-MO4 has one DB9 male connector for 2 audio inputs on the front panel. These 2 audio inputs are
for the MIC-in/Line-in connection, which can be directly connected with a microphone or an audio source from
an amplifier.
The MxNVR-MO4 has 2 audio line-in inputs with DB9 male connector. A pre-amplifier is required, and the audio
format is Mono, G.711.
PIN
Definition
Description
1
GND
Ground
2
A1+
Audio 1 +
3
---
Not in use
4
A2+
Audio 2 +
5
GND
Ground
6
A1-
Audio 1 -
7
GND
Ground
8
GND
Ground
9
A2-
Audio 2 -
LED Indicators
The front panel of the MxNVR-MO4 contains several LED indicators. The function of each LED is described in the
table below.
LED
Color
State
Description
STAT
Green/Red
Steady Red
Hardware initialization stage.
Flashing Red Software initialization stage.