...n 关键词: 可编程控制器(PLC);RS232C;RS422/485; 通信帧 [gap=680]Keywords :PLC;RS232C;RS422/485;communication frame ...
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Frame Relay Data Communication Service 帧中继数据通信服务
The flow of data communication, the protocol of communication frame and the design of software, among the guest computer, center server and the computer on the spot, are researched importantly.
重点研究了客户机、中心服务器和下位机之间的数据通信流程、通信帧协议及软件设计。
For communication between a WLAN station and an access point, frame acknowledgments decrease the bandwidth, as do the number of other stations using the same access point.
对于WLAN工作站与接入点之间的通信,帧确认会降低带宽,使用同一接入点的其他工作站的数量也会带来同样影响。
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