DVR systems NVR38xx Series - Manual (Page 22)

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Port Name Connection Function
Network port 10M/100M self-adaptive Ethernet port. Connect
to the network cable.
eSATA eSATA port The external SATA port. It can be connected to
the peripheral devices of SATA port.
Please pay attention to the HDD jumper when
you connect the external HDD.
USB port. Connect to USB mouse.
RS232 232 debug
COM. It is for general COM debug to configure IP
address or transfer transparent COM data.
HDMI High definition
multimedia
interface High definition video signal output port.
Transmit the clear video and multiple-track data
(Uncompressed)to the device of HDMI(High
definition media interface)
VGA VGA video
output port VGA VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
2.3 Bidirectional talk
2.3.1 Device-end to PC-end
Device Connection
Please connect the speaker or the pickup to the first audio input port in the device rear panel. Then
connect the earphone or the sound box to the audio output port in the PC.
Login the Web and then enable the corresponding channel real-time monitor.
Please refer to the following interface to enable bidirectional talk.
Figure 2-5
Listening Operation