In this paper, based on HDLC protocols, we propose a novel interface scheme to deal with section overhead (SOH) in data communication channel (DCC), which is used in SDH processors development.

• 结合SDH段开销(SOH)处理芯片的开发,提出了基于HDLC协议的数据通信通道(DCC)段开销字节处理接口的技术方案,完成了相应的应用设计和实现,并且基于测试板作了实时运行考核。