■Alarm indication signal (AIS-L, AIS-P)
■Bit error rate signal degrade (BERR-SD), bit error rate signal fail (BERR-SF)
■Bit interleaved parity errors B1, B2, B3 (CV-S, CV-L, CV-P)
■Errored seconds (ES-S, ES-L, ES-P), far-end bit errors REI-L, REI-P (CV-LFE, CV-PFE), far-end errored seconds (ES-LFE, ES-PFE), far-end severely errored seconds (SES-LFE, SES-PFE), far-end unavailable seconds (UAS-LFE, UAS-PFE)
■Loss of frame (LOF), loss of pointer (LOP-P), loss of signal (LOS)
■Payload mismatch (PLM-P), payload unequipped (UNEQ-P)
■Remote defect indication (RDI-L, RDI-P)
■Severely errored framing (SEF), severely errored framing seconds (SEFS-S), severely errored seconds (SES-S, SES-L, SES-P), unavailable seconds (UAS-L, UAS-P)
■Layer 2 per-queue and per-channel packet and byte counters
