| 释义 |
data communication exchange 数据通信交换机;[资料通信交换机] A particular hardware unit which connects a control unit of a central processor to a communication network. It is used in realtime applications where data is to be sent and received simultaneously over several communication channels, which may be operated in many different modes. 将中央处理机的控制装置连到通信网上的一种特殊的硬设备,它应用于实时控制方面,在 这种应用中,可在几个通信信道上同时发送和接收数据。这些信道可以按不同方式工作。 |