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Line rx (sonet), Error analysis – EXFO IQS-8100 Series Transport Blazer for IQS-600 User Manual

Page 242

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SONET Tabs

228

IQS-8100 Series Transport Blazer

Line RX (SONET)

Line RX (SONET)

Press TEST, Sec-Line, and Line (under Sec-Line RX).

Error Analysis

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B2 (BIP-8, Bit-Interleave Parity - 8 bits): The B2 (BIP-8) error indicates a
Line parity error by performing an even-parity check over all bits of the
LOH and SPE of the previous frame (located in every STS-1 of an STS-n
signal).