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。
2
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。
3
Optical fiber transmission has also become the major means of communication, particularly in the trunkcommunication network.