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Selecting Test Features
Stressing Optical Clock Recovery Circuits
HOW TO:
1 Set up the SDH transmit interface and payload required. See "Setting SDH
Transmit Interface " page 29.
Choose the required STRESSING PATTERN.
The G.958 test pattern consists of 7 consecutive blocks of data as follows:
the first row of section overhead bytes, ALL ONES, a PRBS, the first row of
section overhead bytes, ALL ZEROS, a PRBS and the first row of section
overhead bytes.
2
number of bytes in the BLOCK LENGTH.
98
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If you choose ALL ONES or ALL ZEROS as the stressing pattern, choose the
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