该接口在雾里上课采用双绞线、同轴电缆、微波或光纤来实现。
The interface used in the Fog class UTP, coaxial cable, microwave or fiber to achieve.
鉴于客户的经济承受能力,应充分利用现有的铜轴电缆和双绞线,结合光纤媒质来实现宽带接入网。
Con sidering customers' economical capability, the existed cables and twisted-pairs should be made full use in combination with optical cable to realize broad-band access network.
在系统主干线通道上采用光纤通信方式,对于分支通信采用屏蔽双绞线以RS-485方式通信,并对网络体系结构作了详细的描述。
Optical fiber communication mode is adopted in main channels, RS-485 communication mode using shielding twisted pair lines is employed in branch channels, and detailed descri…
应用推荐