Topological structure of vehicle-mounted redundancy display device and train control system and multicast communication method

• Main Authors: CHEN ZEHUA, CHEN YI, LIU ZHONGNAN, ZHOU XUAN, CAI HANG, JIANG QI, LIU ZHIMING, XIA MIAO, SUN GUOYING, ZHOU HONGXU, JIN SHANYANG, HAI NING
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2024
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The embodiment of the invention relates to the technical field of communication, and discloses a topological structure of a vehicle-mounted redundant display device and a train control system and a multicast communication method, and the method comprises the steps that the vehicle-mounted redundant display device and the train control system are connected with each other; the two sets of vehicle-mounted redundant display devices are respectively an I-end redundant display device and an II-end redundant display device; the train control system comprises two Ethernet boards; two network ports of the external interface of the I-end redundancy display device are respectively connected to the upper network ports of the two Ethernet boards, and two network ports of the external interface of the II-end redundancy display device are respectively connected to the lower network ports of the two Ethernet boards. According to the embodiment of the invention, hot standby redundancy connection between the train control sys