Juniper Networks M20 Uživatelský manuál stáhnout pdf (Strana 23)

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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Amber—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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Alarm indication signal (AIS)

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Excessive zeros (EXZ)

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Far-end block error (FEBE)

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Frame error

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Idle code, Idle received

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Line code violation (LCV)

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Loss of signal (LOS)

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Out of frame (OOF)

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Parity bit (P-bit) disagreements

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Path parity error

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Yellow alarm bit (X-bit) disagreements

Alarms, errors, and

events

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

(counters)

Channelized DS3 IQ PIC ■ 23

Channelized DS3 IQ PIC

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 67 68

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Juniper Networks M20 Uživatelský manuál Strana 23