In this paper, four serial ports were expanded by TL16C554 and remote communication between repeaters and four slaves was realized. Through the communication, up-transfer of four serial signal and feedback of alert signal were realized. The repeater has b
张占龙.一种集中式远程多参数监护仪的集中器设计[J].重庆工商大学学报(自然科学版),2004,(3): ZHANG Zhan-long. Design of repeater in multi -parameter centralized monitor system[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),2004,(3):