Juniper Networks Juniper M-series M10i User Manual

Page 12

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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Frame error

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Line code violation

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Local and remote loopback

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Loss of signal (LOS)

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Out of frame (OOF)

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Yellow alarm

Alarms, errors, and
events

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