Bilingual course Network Communications 网络通信 (For Master Students in the Department of Electronic Engineering) Chapter 6 The Data Communications Interface nstructor: Dr. Tianshuang Qiu School of the Electronic and Information Engineering Fall of 2004Bilingual Course Network Communications 网络通信 (For Master Students in the Department of Electronic Engineering) Chapter 6 The Data Communications Interface Instructor: Dr. Tianshuang Qiu School of the Electronic and Information Engineering Fall of 2004