Juniper Networks M20 User Manual

Page 15

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Alarm Indication Signal (AIS)

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Bit error rate (BER)

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Equipment failure (Does not affect service)

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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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Local and remote loopback

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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

Channelized DS3 PIC

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Channelized DS3 PIC