Chapter 9 Communications Circuits PC A 影 Pad PC B To Packet Network PC C etc. Packet A3 Packet C1 Packet A2 Packet B1 Packet A1 Figure 9-7 Packets from the three Pcs are interspersed on the circuit www.gxmu.edu.cnFigure 9-7 Packets from the three PCs are interspersed on the circuit. www.gxmu.edu.cn Chapter 9 Communications Circuits