Nvr58-I/Nvr58-I/L/Nvr48-I Series - Dahua NVR41-4KS2 Series User Manual

2.2.24 NVR58-I/NVR58-I/L/NVR48-I Series

● The figure takes NVR58-I/NVR58-I/L/NVR4832-I series as examples.
● The figure is for reference only. The actual product shall prevail.
No.
1
2
3
4
5
Figure 2-68 Rear panel
Table 2-36 Ports
Port Name
Power button
eSATA port
VGA port
RS232 port
Alarm input port (1-16)
Alarm output port (NO1-
NO5, C1-C5, NC5)
Function
Turns on/off the NVR.
External SATA port. It can connect device with SATA
port. You need to jump the HDD when there is
peripherally connected HDD.
VGA video output port. Output analog video signal. It
can connect to the monitor to view analog video.
It is for general COM debugging to configure IP address
and transfer transparent COM data.
● There are four groups: 1-4, 5-8, 9-12 and 13-16.
They receive signals from external alarm source.
Alarm input includes two types; NO (normal open)
and NC (normal close).
● When your alarm input device is using external
power, make sure the device and the NVR have the
same GND.
● Five groups of alarm output ports (Group 1: NO1-
C1, Group 2: NO2-C2, Group 3: NO3-C3, Group 4:
NO4-C4, Group 5: NO5, C5, NC5). Output alarm
signal to the external alarm device. Make sure
power supply is available for the external alarm
device.
● NO: Normal open alarm output port.
● C: Alarm output public end.
● NC: Normal close alarm output port.
GND. Alarm input ground port.
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User's Manual