HP E5200A manual ∙ Oam

Using the Analyzer

To Monitor Alarms and Errors

The status windows display the following information:

∙Physical Layer

❍types of alarms and the number of one-second intervals that contain each alarm (this is called “errored seconds”)

❍a summary of errors displayed as seconds, count, or ratio

∙ATM Layer

❍types of alarms and the number of one-second intervals that contain each alarm

❍count and bandwidth of ATM cells

❍a summary of errors displayed as seconds, count, or ratio

∙ATM Adaptation Layer (AAL)

❍affected channel (VPI/VCI) for each AAL type

❍Sequence Number and Cell Loss errors for AAL-1

❍CRC errors for AAL-3/4 and AAL-5

❍number of affected channels

∙OAM

❍affected channel or path

❍flow type (segment or end-to-end)

❍the number of one-second intervals that contain AIS or RDI alarms

❍number of affected F4 and F5 flows

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