示FDI-OForwardDefectIndicationOverhead前向缺陷指示开销FDI-municationChannel通用通信通路GIDGroupIdentification组标识IaDIIntra-ingAlignmentError输入定位误码IrDIInter-DomainInterface域间接口JOHJustificationOverhead调整开销LCASLinkCapacityAdjustmentScheme链路容量调整方案LSBLeastSignificantBit最低位比特MFASMultiFrameAlignmentSignal复帧定位信号MFIMultiframeIndicator复帧标识MPI-RSinglechannelreceivermainpathinterfacereferencepoint单通路接收主光通道接口参考点MPI-RMMultichannelreceivermainpathinterfacereferencepoint多通路接收主光通道接口参考点MPI-SSinglechannelsourcemainpathinterfacereferencepoint单通路发送主光通道接口参考点MPI-SMMultichannelsourcemainpathinterfacereferencepoint多通路发送主光通道接口参考点MSMaintenanceSignal维护信号MSBMostSignificantBit最高位比特MSIMultiplexStructureIdentifier复用结构标识MSTMemberStatus成员状态NANotapplicable不适用naOHNon-workNodeInterface网络节点接口NORMNormalOperatingMode正常操作模式NRZNon-returntozero非归零