User Manual

OK/FAIL LED, one bicolor:
•
Green—MIC is functioning normally
•
Yellow—MIC has failed
Link LED, one green per port:
•
Off—Not enabled
•
Green—Online with no alarms or failures
•
Yellow—Online with alarms for remote failures
•
Red—Active with a local alarm; router has detected a failure
LEDs
DS3 alarms:
•
Alarm indication signal (AIS)
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Loss of frame (LOF)
•
Loss of signal seconds (LOS)
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Phase lock loop (PLL)
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 seconds (CSES)
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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)
•
Unavailable seconds (UAS)
Alarms, errors, and
events
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MX Series 3D Universal Edge Routers Line Card Guide