![Dahua NVS0104HDC Скачать руководство пользователя страница 8](http://html1.mh-extra.com/html/dahua/nvs0104hdc/nvs0104hdc_user-manual_4170402008.webp)
Dahua Network Video Server
User’s Manual
2
VGA port. Realize the surveillance through displayer/monitor.
Storage function
Special data format to guarantee data security and can remove the risk of the vicious data
modification.
MicroSD card storage. Hot swap. Auto resumes transmission after network connection
failure.
Compression format
Support multiple-channel audio and video. An independent hardware decodes the audio
and video signal from each channel to maintain video and audio synchronization.
Record & playback function
Support each channel real-time record independently, and at the same time it can support
search, forward play, network monitor, record search, download and etc.
Support various playback modes: slow play, fast play, backward play and frame by frame
play.
Support time title overlay so that you can view event accurate occurred time
Support digital zoom function during the preview.
Alarm activation function
Several relay alarm outputs to realize alarm activation and on-site light control.
The alarm input port and output has the protection circuit to guarantee device safety.
Communication port
Standard Ethernet port can realize network access function.
PTZ control
Support PTZ decoder via RS485.
Supoort various decode protocol to support PTZ and speed dome control function.
UPNP (Universal Plug and Play)
Establish mapping connection between LAN and WAN via UPNP protocol.
1.3
Specifications
Parameter
NVS0104HDC
NVS0204HDC
NVS0404HDC
System
Main
Processor
High-performance industrial embedded micro controller
OS
Embedded LINUX
System
Resources
Multiplex operations: Multiple-channel record, multiple-channel playback
and network operation simultaneously
Interface
No local interface. User-friendly WEB user interface