Dahua NVS0104HDC, Руководство пользователя

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Dahua Network Video Server
User’s Manual
6
SN Icon Name Function
types; NO (normal open)/NC (normal
close).

When your alarm input device is using
external power, please make sure the
device and the NVS have the same
ground.
G GND Alarm input ground.
4 NO1
～
NO2 Alarm output port 1
～
2  2 groups of alarm output ports. (Group
1
：
port NO1
～
C1,Group 2:port NO2
～
C2).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.
G GND Alarm output ground.
A
、
B RS-485 communication
port

RS485_A port. It is the cable A. You
can connect to the control devices
such as speed dome PTZ.

RS485_B.It is the cable B. You can
connect to the control devices such as
speed dome PTZ.
RX
、
TX RS-232 communication
port
General serial port debug.
G GND COM ground
5 DC 12V Power input port 12V 2A power port. DC 8V-DC 16V.
6 GND Ground
7 ALM Alarm indicator light

Device local alarm has been armed
：
The light is on.
 Device local alarm has triggered: The
light is flashing.
 Device local alarm has been
disarmed
：
The light is off.
8 NET Network status
indicator light
 Wire network connection is OK: The
light is off.
 Wire network connection is abnormal:
The light is on.
9 RESET Reset Press for 5 seconds to restore default
setup.
2.2 Rear Panel
T
he rear panel is shown as below. See Figure 2-2.