LED outdoor display remote group management engineering solutions

High resolution, high quality outdoor LED TV wall plays an important role in TV broadcasting. On the eve of the Olympic Games, Beijing ColorLight Technology Co. Ltd. of Dazhou city take the outdoor display control system of LED project. The control point spread, the project has long distance, short duration of difficult wiring difficulties, and put forward the following requirements: 1 of the LED control system can switch remote control six remote outdoor screen implement a computer group management 2 screen terminal without playing computer control and the need of real time acquisition of TV signal is mapped to the LED the contents of the screen to screen 3.LED through real-time collection and return to the operating room to manage camera 4 when necessary television signal cut out, play some video.

According to the requirements of ColorLight technologies developed the following solutions: hardware part: kallet Technology Co. Ltd. products T8, receiving card, HUB, cable terminal box, optical fiber transceiver software: kallet Technology Co. Ltd. LEDSHOWT8 software control principle: using a fiber optic cable will be in a different room layout, routers, optical cable terminal box, the optical fiber transceiver, T8 - connected LED network control system. Through the configuration of the router will be connected to three different network segments, and then in the computer room in any computer installation software ledshowT8, the software in the remote operation of the six screens.

Network topology

Transmission scheme: in the traditional Ethernet connection of the main medium is twisted pair. The limit of twisted pair transmission distance of about 200 meters, the transmission distance is so short restricts the development of the network, at the same time pair by electromagnetic interference is larger, which will undoubtedly make the quality of communication data is affected. The use of optical fiber transceiver, the Ethernet connection medium for optical fiber. Low loss, high anti electromagnetic interference, in the network transmission distance from 200 meters to expand to 2 km or even tens of kilometers, and even hundreds of kilometers at the same time, but also to improve the quality of data communication has been greatly improved. It makes the connection between servers, repeaters, hubs, terminals and terminals easier.

LED control system solution:

Using T8-LED network video control system, TV signal line optical fiber transceiver output directly inserted in the T8 Fast Ethernet port, the signal after the processing of the T8 output to the receiving card. As long as the real power can be displayed on the TV program on the LED screen.

Remote switch solution:

The T8 hardware is integrated with the interface for controlling the relay, simply connecting the control signal line to the T8. And then through the remote software LEDSHOWT8 implementation control.

Broadcast content management

T8 the project by default that is to broadcast TV programs. Should the SARFT requirements, its large activities need to play some of their programmes, we give the real return plus the camera of this function, so the operator can through software remote room return back information to know at the moment all display broadcast content.

Product characteristics: T8-LED network control system is perfect without special computer can realize HD playback, support ultra Daquan color (1920*1280 pixels). The functions can be achieved: WiFi wireless LAN, DVD, hard disk and television reception, streaming media playback, playback log view, key lock, CDMA and GPRS network camera, remote screen information feedback, temperature, humidity, brightness adjustment and automatic induction.

Related knowledge analysis

Fiber: a fiber is a medium that transmits messages from one end to the other. It is a glass or plastic fiber, used as a medium for transmitting information. Usually "fiber" and "cable" two words would be confused. Most fiber must be covered by several layers of protection structure before use, the coated cable is called "cable". To protect the structure fiber layer can prevent the environment of fiber damage, such as water, fire, electric cable and so on. For optical fiber, buffer layer and cladding. Similar to optical fiber and coaxial cable, but no mesh shielding layer. The center is a light transmitting glass core. In multimode fiber, the diameter of the core is 15 m~50 mu m, roughly equivalent to the thickness of human hair. The diameter of single mode fiber core is 8 mu m~10 mu m. The core is surrounded by a glass envelope with a lower refractive index than the core so as to keep the optical fiber in the core. And then there's a thin plastic coat on the outside to protect the envelope. The optical fiber is usually bundled into a bundle with an outer enclosure. The core is usually made of quartz glass, which has a very small cross sectional area. It is brittle and easy to break. Optical fiber communication, refers to the transmission of voice, image and data signals to be transmitted on the optical carrier, the optical fiber as the transmission medium of communication.

Cable terminal box: cable terminal box is in the optical cable connecting device of station cable break, joint protection and it placed cable and the tail cable, storage reservation fiber and tail cable from the external environmental factors, can direct or branch application, widely used in optical transmission station, reliable quality, economy used by users.

Fiber optic transceivers: Ethernet fiber optic transceivers for remote management. It completes the bidirectional conversion of Ethernet optical and electrical signals, and realizes the access capacity of the Ethernet link 120 km away. In the network management platform, through the use of these two devices in the client side, the end of the office with the use of rich network management functions can be achieved, including the local terminal, remote device monitoring configuration; communication link