【摘要】 描述了一种集电视、语音与计算机通信和管理于一体的用于路桥收费站的多媒体网络系统，给出了系统结构原理与主要的设计思路及通信协议等．该系统在现场半年多的使用过程中未发现误传数据的现象，说明系统的设计合理，具有很好的推广应用前景．更多还原

【Abstract】 A video, audio and computer communication and administration integrated multimedia network system used for road and bridge fee charge station is described. The principle of the system structure, the design ideas as well as the communication protocol are given. The system has been run on the spot for more than half a year, and no data misrepresentation was found.更多还原