Exterior NVR21 Series, Руководство пользователя

Страница: 76 / 262

64
Port Name Function
NO1 to NO5 5-ch alarm
output port

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.
C1 to C5
NC5
A RS485
（
RS-485
）
communication
port
RS485_A port. It is the cable A. You can
connect to the control devices such as speed
dome PTZ.
B RS485_B.It is the cable B. You can connect
to the control devices such as speed dome
PTZ.
CTRL 12V / Controller 12V power output. It is to control
the on-off alarm relay output. It can be used
to control the device alarm output. At the
same time, it can also be used as the power
input source of some devices such as the
alarm detector.
+12V / +12V power output port. It can provide the
power to some peripheral devices such as
the camera or the alarm device. Please note
the supplying power shall be below 1A.
Network port Two 10M/100M/1000M self-adaptive
Ethernet ports. Connect to the network cable.
eSATA eSATA port 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 USB mouse.
RS232(RS-422) RS232 debug
COM.
It is for general COM debug to configure IP
address or transfer transparent COM data.
HDMI High Definition
Media
Interface 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 1.3.
VGA VGA video
output port VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
2.3 Alarm Connection