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Embedded Digital
HD Video Recorder NVR88M4
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Hi-performance industrial embedded
microprocessors and real-time operating system(RTOS). Superior reliability in system operation, free from
attacks of virus and hackers |
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4/8/16 channels full frame rate MPEG4 recording and
network streaming, supporting video
compression format vary from CIF (352X 288 pixels),
2CIF (704 X 288 pixels) to 4CIF (704 X 576 pixels),
frame rate and code ratio programmable real-time |
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Display resolution: 704X576; recording resolution:
352 X 288 or 704X 576 |
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Supports of recording image mosaic and displaying
text and graphics superposition |
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Various surveillance functions: 1, 4, 8, 9,16
split-screen, PIP/ multi-channel real-time monitor.
Support TV monitor or VGA output, and video loop
back output |
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Supports of manual, alarm (trigger), schedule
recording mode, among which alarm recording and
motion detection recording are
of pre-recording function with time parameters
adjustable |
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Supports X2, X4 fast play, pause, stop, 1/2, 1/4,
1/25 slow play and frame-by-frame playback |
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Without installing HD, it can be used as a
multi-channel real-time network encoder |
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Color graphic OSD Menu, easy operation |
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Supports WEB browser, net client can manage many
sets of DVRs simultaneously. Built in IP switch
matrix function. Real time
search of live and recorded videos |
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Camera control (Pan, Tilt and Zoom) with various
protocols supported |
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Internal CD writer (optional) |
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Real-time surveillance
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1/4/8/9/16,split-screen surveillance |
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Support VGA display, monitor display |
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Video Compression |
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MPEG4 fixed code ratio or flexible code ratio |
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4/8/16 channels synchronous recording |
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Video Function |
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Image mosaic setting |
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Text and graphic superposition |
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Record/Playback |
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Multiplexing operation: during independent full and
real-time record on each channel, single channel or
multi-channel synchronous local playback index or
multi-channel network video query and playback are
all possible |
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Multi-record mode: manual record, alarm (trigger)
record, schedule record, motion detection record.
And has motion detection and external alarm
pre-record function |
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During playback, picture-in-picture and
multi-picture real-time surveillance is possible |
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Support multi-channel playback. |
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Fast indexing, back up and playback both in common
record and alarm record mode |
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Multi-mode of playback: X2 X4 fast playback, 1/2 1/4
1/25 slow-speed playback, pause, single frame
back/forward, multi-channel synchronous playback etc. |
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Control Function |
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Support RS485 P/T/Z encoder |
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Multi-P/T/Z and dome control |
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Network Control |
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Multi-user remote (network) real-time surveillance |
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Multi-user remote backup and playback |
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Support one user multi-channel remote playback |
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Pan/Tilt/Zoom Control |
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System configuration and software update |
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Remote alarm management and system log view |
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Client supports multi-camera management |
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Alarm Trigger Function |
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4/8/16 channels external IO alarm input, video loss
alarm, motion detection alarm. Alarm device could be
smoke detector, temperature detector, infrared
detector, etc. |
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Multi-Relay switch value alarm output, convenient
realization of alarm trigger and on-spot lighting
control |
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Items |
4 channels |
8 channels |
16 channels |
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Main Processor |
POWERPC8250
embedded microprocessor |
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Operating system |
Real time
operating system (RTOS) |
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Operating interface |
Graphic menu (OSD)
operating interface, user friendly |
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Video Input |
4 channels |
8 channels |
16 channels |
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Mixed video
(PAL/NTSC) RCA (1.0VP-P, 75Ohm) |
Mixed video
(PAL/NTSC)
BNC (1.0VP-P, 75Ohm) |
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Video Output |
4 channels |
8 channels |
16 channels |
1 channel
PAL/NTSC,
RCA (1.0VP-P, 75Ohm) compound video signal |
1 channel
PAL/NTSC
BNC (1.0VP-P, 75Ohm)
compound video signal |
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1 channel VGA
monitor output |
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Audio Input |
4 channels |
8 channels |
16 channels |
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200-3000mv10KOhm(RCA) |
200-3000mv10KOhm(BNC) |
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Audio Output |
4 channels |
8 channels |
16 channels |
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1 channel
audio output 3000mv 1KOhm(RCA) |
1 channel
audio output 3000mv
1KOhm(BNC) |
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Video Display |
1,4 |
1,4,8,9 |
1,4,8,9,16 |
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Video Standards |
PAL (625
line), NTSC (525 line) |
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Image Resolution |
Real-time
surveillance: 704X576; Playback: 704X576;
VGA output: 704X576 |
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Motion Detection |
Area setting:
192 target detection area per screen;
Detection sensitivity setting: 3 grades
detection sensitivity for each area |
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Video Compression |
MPEG-4 |
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Audio Compression |
G.711 |
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Video Compression Rate |
704X576(4CIF
format), 704X288(2CIF format), 352X288 (CIF
format) |
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Recording speed |
MPEG: PAL 1-25
frame/second per channel flexible; NTSC 1-30
frame/second per channel flexible |
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Disk Space Consumption |
Audio:
7MByte/h; Video: 60-550MByte/h |
System Resource
Simultaneousness
functions |
4 channels
real-time recording
4 channels playback
4 channels network real-time
surveillance or
4 channels remote playback |
8 channels
real-time recording
4 channels playback
8 channels network real-time
surveillance or
4 channels remote playback |
16 channels
real-time recording
4 channels playback
8 channels network real-time
surveillance or
4 channels remote playback |
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Alarm Input |
4 channels |
8 channels |
16 channels |
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Alarm Output |
3 channels
relay output (in open/close contact) |
6 channels
relay output
(in open/close contact) |
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Alarm relay |
24V 1A or 220V
0.15A (relay output) |
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Modem Interface |
RS232 |
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Network Interface |
RJ45 10M/100M |
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Control interface |
RS485 |
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Power consumption |
30W (excl.
Disks) |
35W (excl.
Disks) |
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Working Temperature |
-10℃ ~ +55 ℃ |
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Relative Humidity |
10% ~ 90% |
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Barometric Pressure |
86kpa 106kpa |
ANNEX
The following data is disk space for recording
(excl. Audio )
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Video Quality |
Frame speed |
Code Ratio |
Disk Space Consumption per
hour |
| 4channels |
8channels |
16
channels |
| 1 |
25 |
128KB/S |
225(M) |
450(M) |
900(M) |
| 2 |
25 |
256KB/S |
450(M) |
900(M) |
1,800(M) |
| 3 |
25 |
384KB/S |
675(M) |
1,350(M) |
2,700(M) |
| 4 |
25 |
512KB/S |
900(M) |
1,800(M) |
3,600(M) |
| 5 |
25 |
768KB/S |
1.32(G) |
2.64(G) |
5.28(G) |
| 6 |
25 |
1024KB/S |
1.76(G) |
3.52(G) |
7.04(G) |
| 7 |
25 |
1152KB/S |
1.98(G) |
3.96(G) |
7.92(G) |
| 8 |
25 |
1280KB/S |
2.2(G) |
4.4(G) |
8.8(G) |
The
recording time depends on the disk space and AV
quality selected by the user. |
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Full Specifications
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