PTR Pointer 指針
RDI Remote Defect Indication 遠端缺陷指示
REI Remote Error Indication 遠端誤碼指示
RI Remote Information 遠端信息
RP Remote Point 遠端點
RS Regenerator Section 再生段
RSn Regenerator Section STM-N再生段,
layer ,level n ( n = I、4、16) n = I、4、16
RSOH Regenerator Section OverHead 再生段開銷
RST Regenerator Section Termination 再生段終接
RxSL Received Signal Label 接收信號標識
RxTI Received Trace Identl8er 接收蹤跡識別符
RDI Remote Defect Indication 遠端缺陷指示
REI Remote Error Indication 遠端誤碼指示
RI Remote Information 遠端信息
RP Remote Point 遠端點
RS Regenerator Section 再生段
RSn Regenerator Section STM-N再生段,
layer ,level n ( n = I、4、16) n = I、4、16
RSOH Regenerator Section OverHead 再生段開銷
RST Regenerator Section Termination 再生段終接
RxSL Received Signal Label 接收信號標識
RxTI Received Trace Identl8er 接收蹤跡識別符