Time change brings about the reform of teaching methods. The horizon of Today’s educators is continuously widening. Appropriate technical means will help educators to reach the teaching goal and effect. Currently, powerful network infrastructure solutions are executed in schools, colleges and universities worldwide. Capital and operating expenditure are reduced while a better learning environment is created as soon as possible.

Hi-tech classrooms and advanced labs are widely seen in educational institutions. Except regular data application, the replenishment of on-line study, streaming videos on the desktop, virtual field investigation, facilities management gradually become a part of network infrastructure. Some schools go even further, such as wireless campus access, IP audio and gigabit to the desktop and other applications of advanced technologies also gradually are generally seen in the campus.
The goal of all institutions are to bring the best efficiency and performance in the lowest installation cost. How to make these network infrastructure put into the best operation is the severe challenge faced by campus managers. To select the correct physical layer solution for network infrastructure in the first place is the effective mean to solve the problem.