Dahua DH-M70-D-0204HO, User Manual

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6
No. Port Note
1 RS232 port General serial debugging, set IP address. Transmit
transparent serial data
2 Audio talk output port Connect to headset and etc.
3 Power Power up/off device
4 eSATA port Connect to SATA HDD, with faster data transmission
speed
5 USB port Connect to mouse, USB storage device, disk and etc.
6
HDMI port
HD a/v signal output port, transmitting uncompressed
HD video and muitlchannel audio data to HDMI port of
display device
7 Network port 1000M Ethernet port
8 VGA port Output analog video signal, may connect to monitor to
view analog video output
9 Audio talk input port Connect to MIC
10 Alarm input, alarm
output, RS-485 port
1
～
4
：
4-ch alarm input, receiving external alarm
source’s switch signal
：
Alarm input GND
NO1C1 , NO2C2 , NO3C3 , NO4C4
：
4-ch alarm output
port, output alarm signal to alarm device

NO1C1
：
NO alarm output 1

NO2C2
：
NO alarm output 2
 NO3C3
：
NO alarm output 3

NO4C4
：
NO alarm output 4
NC
：
Alarm constant
A, B
：
RS485 port, connect to PTZ dome and other
control devices.
11 Power input port Power port, input 12V DC
Chart 1-2
1.5.1.2 Technical Specification
Model 0204HO
Video Output 2-ch HDMI 1.4 port
Decoding
Capacity
 4 800w@30fps
（
12M stream
）

16 1080P@30fps
（
8M stream
）
 36 720P decoding output
（
4M stream
）

64 D1
（
2M stream
）
 64 960H
（
2.5M stream
）
Decoding
Format
MPEG4/H.264/H.265/MJPEG/SVAC
Audio Output
Channel
2-ch
，
HDMI embedded audio
Talk
RCA(level 2Vrms
，
output resistance 10k ohms)
Alarm
Input/output
4 in 4 out
（
30V DC 1A
，
125VAC 0.5A link output
）
Network Port 2 RJ45 10/100/1000M self-adaptive Ethernet port
AUX
RS232 1 standard 232 port
USB
Port
1 USB2.0 port, 1 USB3.0 port
RS485 1 485 port
Chart 1-3