AK-NVS801D、NVS802D、NVS804D main function：
- Highly reliable special DSP solution, super powerful RTOS, realize industrial grade MTBF
- D1 High Definition network video server, compatible to Half-D1, CIF and QCIF
- Use optimized H.264 video compression algorithm to realize transmission of High Definition video over low network bandwidth easily.
- Uses optimized MP3 audio compression algorithm to make the sound more clear.
- Uses the most advanced technology of network transition server to realize multi-user visit and multi-level password authorization management
- Support real-time video surveillance output (Two-channel and Four-channel Models)
- Support PAL/NTSC composite video
- Built-in Web Sever to realize remote surveillance, control and setting via IE.
- Support 802.11b/g wireless network, CDMA1X and GPRS mobile network and surveillance via the mobile phone
- Support remote software update function
- Support dynamic IP address , LAN, Internet (ADSL and Cable Modem)
- Bi-directional real time transmission of audio talk-back
- Network self-adapting technology to adjust video frame rate automatically according to the network bandwidth.
- Video bit rate can be adjusted continuously between 16Kbps and 2Mbps，frame rate can be adjusted between 1 to NTSC 30 / PAL 25.
- Provide video loss、motion detection and sensor alarm functions
- Provide RS485/RS232 serial port with several built-in high-speed domes and decoder protocols, supports transparent protocols.
- Support image masking/image capturing
- Auto-recovery function if exception occurs and auto-connection if the network interrupts
Technical Parameters：
Video Input
|
1、2、4 channel composite video, PAL/NTSC
BNC (1.0Vp-p, 75Ω) |
Video compression |
H.264 |
Video Resolution |
PAL：352*288（CIF），704*288（2CIF），704*576（D1）；
NTSC：352*240（CIF），704*240（2CIF），704*480（D1） |
Adjustment of Video Parameters |
Brightness, hue, contrast, saturation and image quality |
Streaming Format |
Optional streaming format (video streaming or audio & video streaming) |
Video Frame Rate |
PAL: 1 - 25 frames/second
NTSC: 1 - 30 frames/second |
Video Compression Bitrate |
16Kbit/S～2Mbit/S |
Video Output |
Unavailable |
Audio Input |
1、2、4 channel, RCA interface, linear input, Impedance:１ＫΩ |
Audio Compression |
MP3 |
Audio Output |
1 、2、4 channel, RCA interface, linear output |
Audio talk-back input |
1 channel, MIC interface |
Communication Interface |
1 10M/100M self-adapting Ethernet port, 1 RS485 port, 1 RS232 port;
Several built-in high-speed dome and decoder protocols, supports transparent protocols
Support 802.11b/g wireless network;
Support CDMA1X and GPRS mobile networks;
Support surveillance via a mobile phone |
Alarm Input |
4 channel on/off input, supporting NO (normally open) or NC (normally close) sense |
Alarm Output |
2 channel on/off output, 120VAC 1A/24VDC 1A |
Input Power Supply |
AC 100～240V，50～60Hz |
Maximum Power |
Less than 6W |
Operating Temperature |
-10 ~ +55 ℃ |
Operating Humidity |
10 ~ 85% |
Dimension |
180mm(L) × 50mm(H)× 110mm(D) |
Computer Interface Standard |
PCI2.2 33MHZ 32Bit standard |
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