RDI-PRDI-P: Path Remote Defect Indication
AIS-VAIS-V: VT-Path Alarm Indication Signal
LOP-VLOP-V: VT-Path Loss of pointer
LOM-VLOM-V: VT-Path Loss of Multiframe
TIM-VTIM-V: VT-Path Trace Identifier Mismatch
UNIQ-VUNIQ-V: VT-Path UNEQuipped
RDI-VRDI-V: VT-Path Remote Defect Indication
PLM-VPLM-V: VT-Path Payload Mismatch
LSSLSS: Loss of Sequence Synchronization
TC-UNEQTC-UNEQ: Tandem Connection UNEQuipped
TC-LTCTC-LTC: Tandem Connection Loss of Tandem Connection
TC-TIMTC-TIM: Tandem Connection Trace Identifier Mismatch
TC-AISTC-AIS: Tandem Connection Alarm Indication Signal
TC-RDITC-RDI: Tandem Connection Remote Defect Indication
TC-ODITC-ODI: Tandem Connection Outgoing Defect Indication
Errors
A1A2A1A2: Bytes used for the frame synchronization
B1B1: The byte of BIP-8 (Bit Interleaved Parity-8)
B2B2: The bytes of 24 parity bits
REI-LREI-L: Line Remote Error Indication
B3B3: The byte of BIP-8 (Bit Interleaved Parity-8)
REI-PREI-P : Path Remote Error Indication
V5/B3V5/B3: BIP-2 of VT-2/VT-1.5 or BIP-8 of Low order VC-3
REI-VREI-V: VT-Path Remote Error Indication
Pattern errorsPattern errors: Bit error detected in the payload
STS-NDFSTS-NDF: Path New Data Flag
VT-NDFVT-NDF: VT-Path New Data Flag
SwitchSwitch : APS switching occurred
TC-IECTC-IEC: Tandem Connection Incoming Error Count
TC-BIP-2TC-BIP-2: Tandem Connection Bit Interleaved Parity-2
TC-REITC-REI: Tandem Connection Remote Error Indication
TC-OEITC-OEI :Tandem Connection Outgoing Error Indication
Pointer information
STS-PositiveSTS-Positive: Synchronous Transport Signal Positive stuffing
STS-NegativeSTS-Negative: Synchronous Transport Signal Negative stuffing
VT-PositiveVT-Positive: Virtual Tributary Positive stuffing
VT-NegativeVT-Negative: Virtual Tributary Negative stuffing
55..22..33..44 OH CaptureOH Capture
Refer to OH Capture in "SDH Setup and Status".
55..22..33..55 Tributary ScanTributary Scan
Refer to Tributary Scan in "SDH Setup and Status".
55..22..33..66 TransceiverTransceiver
Refer to Transceiver in "SDH Setup and Status".
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