Dahua L Series

User's Manual
49
2.2.24 NVR58-I/NVR58-I/L/NVR48-I Series
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The figure takes NVR58-I/NVR58-I/L/NVR4832-I series as examples.
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The figure is for reference only. The actual product shall prevail.
Figure 2-69 Rear panel
Table 2-37 Ports
No. Port Name Function
1 Power button Turns on/off the NVR.
2 eSATA port
External SATA port. It can connect device with SATA
port. You need to jump the HDD when there is
peripherally connected HDD.
3 VGA port
VGA video output port. Output analog video signal. It
can connect to the monitor to view analog video.
4 RS232 port
It is for general COM debugging to configure IP address
and transfer transparent COM data.
5
Alarm input port (1-16)
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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).
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When your alarm input device is using external
power, make sure the device and the NVR have the
same GND.
Alarm output port (NO1-
NO5, C1-C5, NC5)
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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.
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NO: Normal open alarm output port.
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C: Alarm output public end.
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NC: Normal close alarm output port.
GND. Alarm input ground port.