Optical fiber transmission has also become the major means of communication, particularly in the trunk communication network.
光纤传输也已成为当前通信，特别是干线通信的主要手段。
Trunk amplifier is a important part of mobile communication network. We mainly discussed the design plan of the software and hardware architecture of the trunk amplified monitoring system.
干线放大器是移动通信网络的重要组成部分，我们主要论述了干放监控系统的软件结构设计方案。
The hardware of the system is built on the layout network of the doorphone system, and CAN BUS is used as the trunk line of communication to improve the real time performance and reliability.
系统硬件利用楼宇访客系统的布线网络，通信干线采用CAN总线，以提高通信的实时性和可靠性。
The paper briefly introduced a special communication system with full services, which combined transmission and access and integrated the trunk network with station and yard networks.
简要介绍了集传输与接入、干线与站场一体化的专用通信结构模式的全业务专用通信系统。
The paper briefly introduced a special communication system with full services, which combined transmission and access and integrated the trunk network with station and yard networks.
简要介绍了集传输与接入、干线与站场一体化的专用通信结构模式的全业务专用通信系统。
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