摘要
在网络综合布线系统中,传输介质的种类繁多,大致可分为无线传输介质和有线传输介质两类,无线传输介质主要包括:通信卫星、激光等;有线传输介质包括:电缆和光缆两类。文中针对有线传输介质做介绍和研究。
There are a lot kinds of transmission medium of Premises Distribution System. Approximately, the medium of PDS includes wireless transmission medium and lineate transmission medium. Wireless transmission classifies communiostion satellite, laser, and so on. Lineate transmission medium classifies cable and fiber. In general, to use the Lineate transmission medium in PDS is a common and adaptable measure. The paper discuss the Lineate transmission medium on the basis of the characteristic, using range, transmission speed, economy cost and development.
出处
《科技信息》
2007年第4期35-35,共1页
Science & Technology Information
关键词
传输介质
同轴电缆
双绞线
光缆
光纤
transmission medium
coaxial cable
twisted-pair line
cable
fiber.
