Juniper Networks T1600 User Manual
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Phase lock loop (PLL)
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Remote error indication (REI)
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Severely errored frame (SEF)
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Tributary unit—alarm indication signal (TU-AIS)
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Tributary unit—loss of clock (TU-LOC)
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Tributary unit—loss of pointer (TU-LOP)
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Tributary unit—mismatch (TU-MIS)
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Tributary unit—remote defect indication (TU-RD1)
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Tributary unit—unequipped (TU-UNEQ)
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DS1 alarms:
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Alarm indication signal (AIS)
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Loss of frame (LOF)
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Remote alarm indication signal (RAIS)
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DS1 error detection:
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Bursty errored seconds (BES)
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CRC errors
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Errored seconds (ES)
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Line errored seconds (LES)
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Loss of framing seconds (LOFS)
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Loss of signal seconds (LOSS)
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Severely errored seconds (SES)
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Severely errored framing seconds (SEFS)
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Unavailable seconds (UAS)
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DS3 alarms:
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Alarm indication signal (AIS)
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Loss of frame (LOF)
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Loss of signal (LOS)
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Phase lock loop (PLL)
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DS3 error detection:
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C-bit code violations (CCV)
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C-bit errored seconds (CES)
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C-bit severely errored framing seconds (CEFS)
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CRC errors
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Excessive zeros (EXZ)
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Far-end block error (FEBE)
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Far-end receive failure (FERF)
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Line errored seconds (LES)
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Parity bit (P-bit) code violations (PCV)
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Parity bit (P-bit) errored seconds (PES)
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Parity bit (P-bit) severely errored framing seconds (PSES)
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Severely errored framing seconds (SEFS)
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Unavailable seconds (UAS)
Copyright © 2013, Juniper Networks, Inc.
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T1600 Core Router Interface Module Reference