or is detected for three contiguous frames or the occurrence of an AIS-P defect. AIS-path (AIS-P) An AIS-P defect is the occurrence of the path AIS in three contiguous frames. An AIS-P defect is terminated when a valid STS pointer is detected with the NDF set to 1001 for a single frame 0110 for three consecutive frames. Path AIS is an all- 1s signal in H1, H1*, H2, H2*, H3, and the entire SPE. Trace identifier mismatch-path (TIM-P) When activated, the TIM-P defect needs to be detected within 30 seconds when none of the sampled trace identifier messages match the provisioned expected value. The TIM-P defect will be terminated within 30 seconds when four-fifths of the sampled trace identifier messages match the provisioned expected value. Unequipped-path (UNEQ-P) A UNEQ-P defect occurs when the C2 bytes in five consecutive frames containing 0000000 are detected. A UNEQ-P defect is terminated when no C2 bytes in five consecutive frames containing 00000000 are detected. RDI-path (RDI-P) Two types of RDI-P are available: unenhanced (RDI-P) and enhanced (ERDI-P). Only one type can be supported by a PTE at a time, and the enhanced type is preferred. The enhanced type is defined such that it is generally compatible with the RDI-P. RDI-path (RDI-P) An RDI-P defect is the occurrence of the RPI-P signal in 10 contiguous frames. An RDI-P defect is terminated when no RDI-P signal is detected in 10 contiguous frames. The setting of RDI-P in response to LoP-P and AIS-P is specified in ANSI T1.231. ERDI-path (ERDI-P) An ERDI-P defect is the occurrence of any 1 of 3 ERDI-P signals (codes) in 10 contiguous frames. An ERDI-P defect terminates when no ERDI-P signal is detected in 10 contiguous frames. The setting of ERDI-P in response to LoP-P and AIS-P, TIM-P or UNEQ-P, or PLM-P is specified in ANSI T1.231. Traditional SONET Architectures Path label mismatch-path (PLM-P) This occurs when the C2 bytes in five consecutive frames contain a payload label different than the labels allowed by the receiver. A PLM-P defect is terminated wh