Juniper-networks M7I Manuel d'utilisateur télécharger pdf (Page 90)

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Flexible Frame Relay

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Frame Relay

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Frame Relay for CCC

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Frame Relay for TCC

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Frame Relay port CCC

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High-Level Data Link Control (HDLC)

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HDLC framing for CCC

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HDLC framing for TCC

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MPLS CCC

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MPLS TCC

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Multilink Frame Relay (MLFR) UNI NNI (MFR FRF.16)

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Point-to-Point Protocol (PPP)

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PPP for CCC

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PPP for TCC

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Standard DS3 BNC coaxial cable interfacesCables and connectors

One tricolor per port:

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Off—Not enabled

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Green—Online with no alarms or failures

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Yellow—Online with alarms for remote failures

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Red—Active with a local alarm; router has detected a failure

LEDs

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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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Yellow alarm

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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)

Alarms, errors, and

events

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Layer 2 per-queue and per-channel packet and byte countersInstrumentation

(counters)

M7i Multiservice Edge Router PIC Guide

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Juniper-networks M7I Manuel d'utilisateur Page 90

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