Modules Modules are also called nodes or devices. These are devices such as Genset Communication Modules (GCMs), Control Communication Modules (CCMs), and Digital Input/Output Modules (DIMs).

• 一种工业网络，它使用令牌环点对点通讯模式传输数据，可达一百万位每秒。网络介质使用屏蔽双绞线。