摘要
何种接入方式更适合目前的市场需求呢 ?从技术上看 ,ADSL在覆盖范围、工程实施以及设备维护等方面明显优于LAN ,而LAN则更具有未来可发展性。从经济效益看 ,LAN接入只适合用户密度较高的高层建筑区 ;对国内大部分城市 ,建议充分利用已有的铜缆资源 。
Which access technology is befitting with present market demand?Technically,ADSL has advantages in coverage,project implementation and facility maintenance, yet, LAN has larger potentiality for future development. Economically, LAN is only suitable for high buildings with dense subscribers. This paper suggests China Telecom should utilize existing copper cables and adopt ADSL to launch wide band services in most domestic cities.
出处
《世界电信》
2001年第9期41-44,共4页
World Telecommunications
