Acterna ANT-5 - Page 138

Appendix D – SDH and PDH information
Page 138 Acterna ANT-5
SDH (ITU-T: G.707 G.783) SONET (ANSI: T1.105)
HIGH ORDER PATH (HO)
B3 (8 bits)
HO Path errors monitoring
(VC-4)
B3 (8 bits) SP error monitoring
HP-UNEQ HO Path UNEQuipped UNEQ-P SP UNEQuipped
HP-RDI
HO Path Remote Defect
Indication
RDI-P SP Remote Defect Indication
HP-REI
HO Path Remote Error
Indication
REI-P SP Remote Error Indication
PDI-P SP Payload Defect Indication
HP TIM
HO Path Trace Identifier
Mismatch
TIM-P SP Trace Identifier Mismatch
HP-PLM HO Path Label Mismatch PLM-P SP Path Label Mismatch
TRIBUTARY UNIT (TU) VT – PATH (VP)
TU-LOP Loss of TU Pointer LOP-V VP Loss of Pointer
TU-NDF New Data Flag TU Pointer NDF-V VP-New Data Flag
TU-AIS TU-AIS AIS-V VP AIS
TU-LOM Loss of Multiframe (H4) LOM Loss of Multiframe
LOW ORDER PATH (LO)
BIP-2
LO Path error monitoring
(VC-12)
BIP-2 VP error monitoring
B3 (8 bit)
LO Path error monitoring
(VC-3)
LP-UNEQ LO Path UNEQuipped UNEQ-V VT UNEQuipped
LP-RDI
LO Path Remote Defect
Indicator
RDI-V VP Remote Defect Indicator
LP-REI
LO Path Remote Error
Indicator
REI-V VP Remote Error Indicator
LP-RFI
LO Path Remote Failure
Indicator
LP-RFI VP Remote Failure Indicator
PDI-V VP Payload Defect Indicator
LP-TIM
LO Path Trace Identifier
Mismatch
TIM-V VP Trace Identifier Mismatch
LP-PLM
LO Path Payload Label
Mismatch
PLM-V VP Payload Label Mismatch