3G Video Server

3G Video Server
VS-4x

“VS-41” provides 1-channel video, and 1-channel bi-directional audio.
“VS-42” provides 2-channel video input, 1-channel video output, 2-channel audio input, and 1-channel bi-directional audio.
“VS-44” provides 4-channel video input, 1-channel video output, 4-channel audio input and 1-channel bi-directional audio.
Built-in 3G module supports EVDO,TD-SCDMA and WCDMA 3G network，and 2G network EDGE & CDMA as well.
Support SD card memory
Support RS485 transparent transmission
“VS-41” supports 2-channel alarm input and 1-channel alarm output.
“VS-42” and “VS-44” support 4-channel alarm input and 2-channel alarm output.
Support variable bit rate transmission
Video is coherent and clear, 2~5 seconds delay.

Features

“VS-41” provides 1-channel video, and 1-channel bi-directional audio.
>“VS-42” provides 2-channel video input, 1-channel video output, 2-channel audio input, and 1-channel bi-directional audio.
>“VS-44” provides 4-channel video input, 1-channel video output, 4-channel audio input and 1-channel bi-directional audio.
>Built-in 3G module supports EVDO,TD-SCDMA and WCDMA 3G network，and 2G network EDGE、CDMA as well.
>Support SD card memory
>Support RS485 transparent transmission
>“VS-41” supports 2-channel alarm input and 1-channel alarm output.
>“VS-42” and “VS-44” support 4-channel alarm input and 2-channel alarm output.
>Support variable bit rate transmission
>Video is coherent and clear, 2~5 seconds delay.

Technical specification

Video
Video compression: H.264
Operating system: embedded Linux system
Video input: “VS-41” provides 1-channel compound video input;“VS-42” provides 2-channel compound video input；“VS-44” provides 4-channel compound video input.
Types of video interface: BNC/Q9
Image resolution ratio: QCIF/CIF/2CIF/D1
Frame rate: 25 frames per second (PAL), 30 frames per second (NTSC)
Audio
Audio interfaces： “VS-41” provides 1-channel audio input and 1-channel audio output; “VS-42” provides 2-channel audio input and 1-channel bi-directional audio; “VS-44” provides 4-channel audio input and 1-channel bi-directional audio.
Type of audio interface: 3.5mm standard headphone jack and BNC interface
Audio compression: G.711/ADPCM

Other
Support local-remote memory
“VS-41” provides 2-channel alarm input and 1-channel alarm output; “VS-42” and “VS-44” provides 4-channel alarm input and 2-channel alarm output.
Support RS485 PTZ control and multiple PTZ protocols
Support multiple alarm linkage and linkage presetting bit
Working conditions
Operating temperature: -10℃ ~55℃
Storage temperature: -20℃ ~70℃
Operating humidity: 10% ~ 95% non-condensing
Storage Humidity: 5% ~ 95% non-condensing
Dimension of 1-channel 3G Video Server: length*width*height=122.0*135.0*28.0（mm）Dimension of 2/4-channel 3G Video Server: length*width*height=193.0*175.5*64.0（mm）
Power supply
power input： 12VDC