20
Operation
System
Embedded Linux real-time operation system
Operation
Interface
WEB/Local GUI
Decode
Video
Compres
sion
H.264/MJPEG/MPEG4
Decode
Capacity
Max supports 16-channel D1, or 8-channel 720P, or 4-channel 1080P, or
4*3M or 2*5M decode.
Video
Video
Input
4/8/16/32-ch network compression video input
Video
Output
1-channel VGA analog video output.
HDMI
1-ch HDMI output. Version number is 1.4
Window
Split
1/4/8/9/16-window
Audio
Audio
Input
1-ch bidirectional talk input
Audio
Output
1-ch bidirectional talk output
Audio
Compres
sion
G.711a
Alarm
Alarm
Input
4-ch alarm input
Alarm
Output
2-ch alarm output
Function
Storage
2 built-in SATA ports.
Multiple-c
hannel
Playback
Max 8-channel 720P/4-channel 1080P playback at the same time.
Port and
Indicator
RS232
Port
One RS232 port to debug transparent COM data.
RS485
port
One RS485 port to control PTZ. Support various protocols.
USB2.0
Port
Three peripheral USB2.0 ports.
Network
Connecti
on
1 RJ45 10/100/1000Mbps self-adaptive Ethernet port.
Power
Port
One
power
port,
power adapter. Input
DC 12V.
Two power ports. Input
DC 12V/DC 48V.
One
power
ports.
Input
100-240V
，
47~63Hz.
Summary of Contents for NVR21-S2 SERIES
Page 1: ...Dahua Network Video Recorder User s Manual V 4 3 0...
Page 138: ...124 Figure 3 5 3 6 6 NVR42N Series Please refer to Figure 3 6 for connection sample Figure 3 6...
Page 142: ...128 Figure 3 11 3 6 12 NVR42V 8P Series Please refer to Figure 3 12 for connection sample...
Page 143: ...129 Figure 3 12...
Page 157: ...143 Figure 4 15 Step 2 Click device display edit interface See Figure 4 16...
Page 220: ...206 Figure 4 93 Figure 4 94...
Page 240: ...226 Figure 4 110 Figure 4 111 Figure 4 112...
Page 251: ...237 Figure 4 123 Figure 4 124...
Page 253: ...239 Figure 4 126 Click draw button to draw the zone See Figure 4 127...
Page 257: ...243 Figure 4 130 Click Draw button to draw a zone See Figure 4 131 Figure 4 131...
Page 262: ...248 Figure 4 136 Click draw button to draw the zone See Figure 4 137...
Page 275: ...261 Figure 4 148 Figure 4 149...
Page 276: ...262 Figure 4 150 Figure 4 151...
Page 387: ...373 Figure 5 60 Figure 5 61...
Page 388: ...374 Figure 5 62 Figure 5 63...
Page 412: ...398 Figure 5 96 Figure 5 97...
