Sonet - Path Overhead (Poh) - EXFO FTB-8510B Guia Del Usuario

Glossary

SONET - Path Overhead (POH)

SONET - Path Overhead (POH)
This section contains overhead information (POH) processed by SONET
STS-1 terminating equipment.
J1: Trace
The J1 Trace byte provides a 16 or 64 byte fixed string to verify connection
between path transmitting equipment and path receiving equipment.
B3: BIP-8
The BIP-8 (Bit-Interleaved Parity) byte provides path error monitoring. The
byte is calculated by performing a even-parity check over all bits of the
previous SPE.
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SONET/SDH Application