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Error analysis – EXFO RTU 310-310G IP Services Test Head User Manual

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Traffic Analyzer Tabs

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FTB-8500 Series and FTB-8120NGE/8130NGE

FC RX

Error Analysis

Symbol (FC 1x, and 2x): A Symbol error is declared when an invalid
symbol excluding the SOF and EOF is detected.

FCS: The number of received Framed Layer 2 or Framed Layer 1
(with xPAT) having an invalid FCS.

Oversize: An Oversize error is declared when a Framed Layer 2 with a
valid FCS exceeds 2148 bytes in length.

Undersize: An Undersize error is declared when a Framed Layer 2
with a valid FCS is smaller than 36 bytes in length.

Total Error Count: Indicates the total number of errors including all the
above errors.