Sdh - Higher-Order Path Overhead (Hp-Poh) - EXFO FTB-8510B Guia Del Usuario

Glossary

SDH - Higher-Order Path Overhead (HP-POH)

SDH - Higher-Order Path Overhead (HP-POH)
This section contains higher-order path overhead information (HPOH)
processed by SDH STM-1 terminating equipment.
J1: Higher-Order VC-N Path Trace
The higher-order VC-N path trace byte provides a 64 byte fixed string to
verify connection between path transmitting equipment and path receiving
equipment.
B3: Path BIP-8
The path BIP-8 (Bit-Interleaved Parity) byte provides path error monitoring.
The byte is calculated by performing a routine even-parity check over all
bits of the previous SPE.
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