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Product List TW-Link-LR
Product Summary

Video transport is easier and cheaper with advancing of codec and network technology. Network video server is a kind of specialized equipment combined codec and transport function. It is make up of network interface, alarm interface, audio video interface, serial interface etc. It could easily perform remote monitoring for its independent network transport function.

Till now, we had developed TEKWAY’s NVS, with its IDE and USB interface, enlarging the local storage capacity and flexibility, is the newly developed one represented the top level in China.

Product Pictures




List of Products:
Product Dscription
TW-8001EF 1CH Realtime to supports 4CIF,2CIF,HCIF,CIF formats
TW-8002EC 2CH Realtime to supports CIF format
TW-8002EF 2CH Realtime to supports 4CIF,2CIF,HCIF,CIF formats
TW-8004EC 4CH Realtime to supports CIF format.
TW-8004EF 4CH Realtime to supports 4CIF,2CIF,HCIF,CIF formats
TW-8004EFD 4CH Realtime to supports 4CIF,2CIF,HCIF,CIF formats, with IDE interface
Product Introduction
Frame rate PAL:1-25fps.NTSC:1-30fps
Video codec MPEG-4
Audio codec ISO-MPEG Audio Layer-3
Size D1:704*576, HalfD1:704*288, CIF:352*288
Video bit rate 32kbps-3mbps
Video stream channel bandwidth 200kbps(352*288,25fps per 1ch)
Delay time less than 200 MSEL(0.20 second) in Lan system
Image Resolution Real-time monitor 704*576(P) 704*480(N) 704*288(P) 704*240(N) 352*288(P) 352*240(N)
Image adjust brightness,contrast,chroma,saturation, image quality can be adjusted.
Video recording speed Output frame rate is 30fps at most and network bandwidth usage is 32kbps at least
Interface RS232(transparent series output),RS485 P/T/Z decoder interface、RJ-45 10M/100M Ethernet interface、COM
Network transmission mode ISDN、ADSL、LAN, WAN
Built-in Web NV it fully supports IE monitoring, configuration and updating, so that it is characterized by simple and convenient operation
Dynamic IP support internet connection assigned with dynamic IP address
Video input 1/2/4CH PAL/NTSC composite BNC(1.0VP- P, 75Ω)
Stream type single video stream or composite stream
Audio input BNC, line/MIC, input voltage<2.5Vpp,/input impedance >10KOhm. single track plug
MIC available Vbias=3.3v*3/4,inside20dB amplifier,input impedance >3Kohm. single track plug
Audio output BNC, 1channel audio output output<4Vpp,power<1W, load>8Ohm single track plug
User management supports the three-level password
Alarm detect and action Alarm input and output can support mobile sensing, Video Lost, date, time, and event trigger
Action Relay Output control the peripheral equipment
Interface 4CH grounding alarm input, 4CH relay output
Alarm relay 30V DC 1A ,125V 0.5A
Motion detection  Yes


operate system Embedded Linux system
ROM 8M Bytes Flash ROM
Backup USB1.1,IDE(optional)
Wireless WLAN 802.11G(optional)
PCB Size 220(w)mm*135(d)mm
Size 263(w)mm*140(d)mm*44(h)mm
Power supply outlay,input AC100-240V 50/60hz,output DC12V/1000mA
Power consumption ≤5Watts
Temperate 5—60℃
Barometric pressure 86kpa-106kpa
Installation Shelf installation; Flat installation; wall hanging installation



◆ Provide system and paly SDK, the user can do double empold according to demand

◆ Supports transfer server and APS

◆ Supports DDNS

◆ Supports RS232 and RS485 transfer

◆ Supports remote-file server, can realize remote Playback and download.

◆ PTZ Protocol and control separate, can connects any pan-tilt and dome

Specifications are subject to change without notice
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