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User Patterns
Agilent N4906B Serial BERT, User's Guide, October 2005
• D21-5.ptrn
This pattern is used to test Fiber Channel and Gigabit Ethernet
elements. It tests random jitter (RJ) and the symmetry of logic
transitions. The pattern is composed of alternating logic highs and
lows and is repeated continuously. Disparity rules are followed.
1010101010
1010101010 (binary)
• CSPAT.ptrn
This Fiber Channel supply noise (SPAT) pattern is packaged into a
Fiber Channel frame for use in system level tests.
• CRPAT.ptrn
This Fiber Channel Compliant (RPAT) pattern for jitter generation
is packaged into a Fiber Channel frame.
• CJTPAT.ptrn
This Fiber Channel Compliant (JTPAT) pattern for jitter tolerance is
packaged into a Fiber Channel frame.
PRBS
This directory contains PRBS patterns that have different lengths and
mark densities:
• PRBS7_1-8.ptrn
• PRBS7_2-8.ptrn
• PRBS7_1-2.ptrn
• PRBS7_6-8.ptrn
• PRBS7_7-8.ptrn
• PRBS10_1-8.ptrn
• PRBS10_2-8.ptrn
• PRBS10_1-2.ptrn
• PRBS10_6-8.ptrn
• PRBS10_7-8.ptrn
• PRBS15_1-8.ptrn
• PRBS15_2-8.ptrn
• PRBS15_1-2.ptrn
• PRBS15_6-8.ptrn
• PRBS15_7-8.ptrn
• PRBS23_1-8.ptrn
• PRBS23_2-8.ptrn
Setting up Patterns
31
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