SDLC

SDLC是一种用于电子计算机串行通信的通信协议，最初由IBM作为IBM系统网路架构的一部分引入。在IBM系统网路架构协议栈中，SDLC被视为第2层，即数据链路层。它支持多点链路以及错误纠正功能。^[1]

参考文献

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ITS Cabinet Standard. v01.02.17b. Washington, DC: Institute of Transportation Engineers. November 16, 2006: 96. All communication within the ATC controller unit shall be SDLC-compatible command-response protocol, support 0-bit stuffing, and operate at a data rate of 614.4 Kilobits per second.