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Lop rx (sdh, tu-3 path), Error analysis – EXFO FTB-8100 Series Transport Blazer for FTB-200 User Manual

Page 307

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SDH Tabs

SONET/SDH Application

295

LOP RX (SDH, TU-3 path)

LOP RX (SDH, TU-3 path)

Press Main, Test, SDH, LOP, and LOP RX.

Error Analysis

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B3 (BIP-8, Bit-Interleave Parity - 8 bits): The B3 error indicates a High
Order Path parity error by performing a routine even-parity check over
all High Order Path bits of the previous VC-N.

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LP-REI (Low Order Path Remote Error Indicator): The LP-REI error
indicates the count of B3 errors detected.

Note: Refer to Alarm/Error Measurements on page 44 for H/C LEDs, Seconds,

Count, and Rate information.