Juniper M120 - Page 44

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Alarm indication signal (AIS-L, AIS-P)
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Bit error rate signal degrade (BERR-SD), bit error rate signal fail (BERR-SF)
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Bit interleaved parity errors B1, B2, B3 (CV-S, CV-L, CV-P)
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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)
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Loss of frame (LOF), loss of pointer (LOP-P), loss of signal (LOS)
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Payload mismatch (PLM-P), payload unequipped (UNEQ-P)
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Remote defect indication (RDI-L, RDI-P)
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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)
Alarms, errors, and
events
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Layer 2 per-queue and per-channel packet and byte countersInstrumentation
(counters)
44 ■ Channelized STM1 IQ PIC
M120 Internet Router PIC Guide