Dahua NVR5208-EI User Manual page 93

Icon Name
Network port
eSATA eSATA port
USB 3.0 USB port
HDMI High Definition Media Page
MIC IN Audio input port
MIC OUT Audio output port
1–16 Alarm input port 1–16
Ground
NO1–NO5
C1–C5
Alarm output port 1–5
NC5
A RS-485 communication port
Function
10/100/1000 Mbps self-adaptive Ethernet port.
Connect to the network cable.
External SATA port. It can connect to the device
of the SATA port. Please jump the HDD when
there is peripheral connected HDD.
USB port. Connect to mouse, USB storage
device, USB burner and more.
High definition audio and video signal output
port. It transmits uncompressed high definition
video and multiple-channel data to the HDMI
port of the display device. HDMI version is 1.4b.
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices
such as microphone, pickup.
Audio output port. It is to output the analog
audio signal to the devices such as the sound
box.
● Bidirectional talk output.
● Audio output on 1-window video monitor.
● Audio output on 1-window video playback.
● There are four groups. The first group is
from port 1 to port 4, the second group is from
port 5 to port 8, the third group is from 9 to 12,
and the fourth group is from 13 to 16. They are
to receive the signal from the external alarm
source. There are two types; NO (normal
open)/NC (normal close).
● When your alarm input device is using
external power, please make sure the device
and the NVR have the same ground.
Alarm input ground end.
● 5 groups of alarm output ports. (Group 1:
port NO1–C1, Group 2:port NO2–C2, Group 3:
port NO3–C3, Group 4: port NO4–C4, Group 5:
port NO5, C5, NC5). Output alarm signal to the
alarm device. Please make sure there is power
to the external alarm device.
● NO: Normal open alarm output port.
● C: Alarm output public end.
● NC: Normal close alarm output port.
RS485_A port. It is the cable A. You can connect
to the control devices such as speed dome PTZ.
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User's Manual