DS-7204HVI-S/M Series Net DVR
Technical Manual
Notices
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Contents
1. Overview
2. Model Description
3. Features
4. Specifications
1. Overview
DS-7204HVI-S/M series network digital video recorder is a digital surveillance
product applies an embedded MCU and Linux OS, along with the most advanced
technology in the information industry, such as video and audio encoding/decoding
hard disk recording and TCP/IP. The firmware is burned into the flash, making the
product more stable and reliable.
DS-7204HVI-S/M series devices combine the advantages of both a digital video
recorder (DVR) and a digital video server (DVS). It can be used as a standalone
video surveillance product, as well as to build up a powerful surveillance network.
DS-7204HVI-S/M Net DVR can be widely used in the verticals of banking,
telecommunications, transportation sectors, and manufacturing.
DS-7204HVI-S/M Front Panel
DS-7204HVI-S/M Rear Panel
1. Model Description
DS-7204HVI-S/M: 4-ch video input and 1-ch audio input. One VGA output.
SATA HDD supported. 1-ch composited video output and 1-ch spot video output.
Note: The default DVRs are without HDD.
1. Features
3.1 Compression
ٛ
. H.264 video compression algorithm and each channel can be CIF
real-time,
4CIF, DCIF, and 2CIF can be selected as well.
ٛ
. One channel audio input and output. Each channel is independent
with OggVorbis compression at a bit rate of 16Kbps.
ٛ
. Multi-area motion detection.
ٛ
. On-screen display (OSD) and changeable OSD position.
ٛ
. Support both variable bit rate and frame rate.
ٛ
. Support dual-stream, and the sub stream can support CIF/QCIF
resolution.
ٛ
. 2 stream types, including video & audio and video only. Either
composited stream or video-only stream can be selected.
3.2 Local Functions
3.2.1 Recording
ٛ
. Support SATA HDD which can support up to 2000GB
memory.
ٛ
. HDD S.M.A.R.T. technology
ٛ
. Support FAT32 files system
ٛ
. Multiple record types, including schedule recording,
manual recording, all time, motion detection, alarm, motion &
alarm, motion or alarm, command.
ٛ
. Cycle and none cycle recording mode.
ٛ
. Backup recorded files and clips with USB flash disk or USB
hard disk.
3.2.2 Preview & Playback
Support one composited video output and one spot video output
DS-7204HVI-S/M can support one VGA output with 1204*768
resolution
Support VGA and VOUT output, VGA has precedence over VOUT,
and can not output at the same time.
Support Privacy Mask
View tampering alert
Support video signal loss alert
Support play forward, backward, pause, frame-by-frame, etc
User-defined preview layout
Support one playback channel, and playback by files or by time
Display local recording status
3.2.3 PTZ
ٛ
. Several PTZ protocols supported
ٛ
. Preset, sequence and cruise
3.2.4 Alarms
ٛ
. Exception alarm, motion detection alarm, external alarm,
etc.
3.3 Network
ٛ
. Support RTP, TCP, UTP, Multicast, DHCP, etc
ٛ
. PPPoE for ADSL dialup
ٛ
. Remote parameters setup
ٛ
. Remote download and playback the recorded files in DVR
ٛ
. Remote upgrade the DVR firmware
ٛ
. Network PTZ control
ٛ
. IE to preview and configure DVR
ٛ
. Support remote log query
3.4 Others
ٛ
. Support network voice talk
ٛ
. IR remote control
ٛ
. Multi-level user management
ٛ
. Automatically recovery from abnormal conditions
ٛ
. Network SDK and client demo source code available
1. Specifications
Model DS-7204HVI-S/M
Video compression H.264
Preview resolution PAL: 704×576 ; NTSC:
704×480
VGA: 1024*768
Playback resolution QCIF/CIF/2CIF/DCIF/4CIF
Video input 4 channels, BNC (1.0Vp-p, 75Ω)
Video output 1 channel, BNC (1.0Vp-p, 75Ω)
Video spot output 1 channel, BNC (1.0Vp-p, 75Ω)
Frame rate (per
channel)
4CIF: 6fps
DCIF: 12fps
2CIF: 15fps
CIF: 25(P)/30(N) fps
Audio compression OggVorbis, 16Kbps
Audio input 1 channel, RCA (2.0~2.4Vp-p, 1KΩ)
Audio output 1 channel, RCA (2.0~2.4Vp-p, 600Ω)
Stream type Video/Video&Audio
Support dual stream Yes
Bit rate 32Kbps ~ 2Mbps, user-defined
HDD interface 1 SATA interface can support 1 SATA HDD up to2000GB
Communication
interface
1 RJ45 10M/100M self-adaptive Ethernet Interface
1 RS-485 interface
USB interface 1 USB interface can support USB disk, USB HDD, USB
CD-RW & DVD-RW.
VGA interface 1 VGA interface can support resolution:
1024*768/60Hz
External alarm in 4
Relay output 1
Voice talk 1 channel,(Using Audio IN)
Support Buzzer Yes
Power supply 12VDC
Power consumption ≤40W (without HDD or DVD-R/W)
Operating temperature
-10℃ ~ +55℃
Relative humidity 10% ~ 90%
Size 315(W)*230(D)*45 mm(H)
Weight ≤2.8Kg (without HDD or DVD-R/W)
PAL: 176×144(QCIF), 352×288(CIF), 704×288(2CIF), 528×384(DCIF), 704×576(4CIF);
NTSC: 176×120(QCIF), 352×240(CIF), 704×240(2CIF), 528×320(DCIF), 704×480(4CIF).
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