Abstract: This paper has introduced mainly the basic characteristic of ADSL of our country that develops present situation as well as ADSL , major make from the improvement of ADSL technology is detailed to elaborate , additionally, this paper has also spent the plenty of handwriting introduction systems of broadband access as well as how to improve communication system, with the effective use that raises resource , reach the resource of limited use to create biggest economic benefits.
This paper has introduced some kinds of major systems of broadband access, include optical cable receive to enter. At the same time, have introduced the performance feature of ADSL2+ briefly. Final this paper has discussed how to optimization network, as well as it is online to test technology .