摘要
本文从以电话铜缆为接入手段的xDSL技术、以五类双绞线为接入技术、及以无线为物理媒质 的接入技术等几方面,阐述了宽带的主要接入技术及其特点。
This paper states main connection technique and characteristic of wide - band network, such as xDSL technique, which using telephone cable as connection instrument; connection technique using five types of twisted - pair line and using wireless instrument as physical medium.
出处
《林业科技情报》
2004年第4期35-36,共2页
Forestry Science and Technology Information