Specifications; Nvr21-S2/Nvr21-P-S2/Nvr21-8P-S2 Series - Dahua NVR21-S2 Series User Manual

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Network
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Monitor
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Window Split
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Record
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Backup
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Network
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Management
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Peripheral
Equipment
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Management
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Auxiliary
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1.3 Specifications

1.3.1 NVR21-S2/NVR21-P-S2/NVR21-8P-S2 Series

Model
System System
Resources
OS
various connected peripheral devices.
Alert you via email/sms.
Through network, sending audio/video data compressed by IPC or NVS
to client-ends, then the data will be decompressed and display.
Support max 128 connections at the same time.
Transmit audio/video data by HTTP, TCP, UDP, MULTICAST,
RTP/RTCP and etc.
Transmit some alarm data or alarm info by SNMP.
Support WEB access in WAN/LAN.
Adopt the video compression and digital process to show several
windows in one monitor. Support 1/4/8/9/16/ 25/36-window display when
preview and 1/4/9/16-window display when playback.
Support normal/motion detect/alarm record function. Save the recorded
files in the HDD, USB device, client-end PC, or network storage server.
You can search or playback the saved files at the local-end or via the
Web/USB device.
Support network backup, USB2.0 record backup function, the recorded
files can be saved in
device, burner and etc.
Supervise NVR configuration and control power via Ethernet.
Support management via WEB.
Support peripheral equipment management such as protocol setup and
port connection.
Support transparent data transmission such as RS232 (RS-422), RS485
(RS-485).
Support switch between NTSC and PAL.
Support real-time system resources information and running statistics
display.
Support log file.
Local GUI output. Shortcut menu operation via mouse.
IR control function (For some series product only.). Shortcut menu
operation via remote control.
Play the video/audio from the network camera or NVS remotely.
21-S2 Series
4/8/16-ch
product
4/8/16
connection
respectively.
bandwidth supports
80Mbps.
Embedded Linux real-time operation system
network storage server, peripheral USB2.0
21-P-S2 Series
series 4/8-ch series product support 4/8 HD
support connection respectively. Total bandwidth
HD supports 80Mbps.
Total
21-8P-S2 Series
2