Exterior NVR21 Series, User Manual

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2
Network
Monitor

Through network, sending audio/video data compressed by IPC or NVS
to client-ends, then the data will be decompressed and display. If
bandwidth is big enough, latency is less than 500ms

Support max 20 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 SMTP.

Support WEB access in WAN/LAN.
Window Split

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.
Record

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.
Backup

Support network backup, USB2.0 record backup function, the recorded
files can be saved in network storage server, peripheral USB2.0
device, burner and etc.
Network
Management

Supervise NVR configuration and control power via Ethernet.

Support management via WEB.
Peripheral
Equipment
Management

Support peripheral equipment management such as protocol setup and
port connection.

Support transparent data transmission such as RS232 (RS-422), RS485
(RS-485).
Auxiliary

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.

Support IPC or NVS remote video preview and control.
1.3 Specifications
1.3.1
NVR21/21-P/21-S Series
Parameter Specifications
21 Series 21-S Series 21-P Series
System
Resources
Max support 8-ch standard definition with the transmission rate of 2Mbps for each
channel;
4-channel 720P, with the transmission rate of 4Mbps for each channel;
2-channel 1080P, with the transmission rate of 8Mbps for each channel;
Support 20 online users at the same time,
The image delay time of each channel is under 500ms.
Operation
System
Embedded Linux real-time operation system
Operation
Interface
WEB/Local GUI