针对当前网络系统的需要，设备制造商要求作为设计基础的网络芯片具有灵活组网特性。最近推出的两种芯片可满足高度灵活性的要求，一种是Mindspeed技术公司的收发器，具有可支持全部网络系统标准和背板的带宽，另一种是Zarlink半导体公司的两个千兆位以太网交换芯片，它们具有? In response to the needs of current network systems, equipment manufacturers require that the network chip as a design basis have flexible networking features. Two recently introduced chips meet the highest levels of flexibility: one is Mindspeed transceivers that support all network system standards and backplane bandwidth, and the other is two gigabits of Zarlink Semiconductor Ethernet switch chip, they have?