:FUNCtion:PATTern:KPATtern
Command Syntax
:FUNCtion{1:64}:PATTern <pattern>
Where the {1:64} specifier identifies one of sixty four math functions that you can create. For example, :FUNCtion2.
Where argument <pattern> listed in the following table selects the indicated pattern symbol sequence.
Query Syntax
:FUNCtion{1:64}:PATTern?
Description
Specifies a known specific waveform Pattern Symbol Sequence to the equalizer function when the :FUNCtion:PATTern:MODE command has specified a known pattern instead of autodetection. The arguments used to specify the pattern is listed in the following table.
To specify the waveform's format (NRZ or PAM4), use the :FUNCtion:PATTern:FORMat command.
This command can be used with the following Signal Processing functions:
- Reference Rx
- Decision Feedback Equalizer
- Linear Feed Forward Equalizer
- TDECQ Reference Equalizer
- Pulse Fit Filter
Pattern Length Selections
Availability of individual patterns depends on installed modules and other conditions.
- 20 - 2˄7-1 PRBS
- 40 - PCIe Compliance
- 62 - PAM4 Clock
- 120 - FC RPAT
- 160 - PAM4 Linearity
- 384 - 802.3ae TWDP segment
- 640 - PCIe Idle
- 1280 - FDDI Jitter
- 2280 - CRPAT
- 2640 - CJPAT
- 3360 - CRPAT (2)
- 3760 - CJPAT (2)
- 3780 - XAUI CRPAT
- 3820 - XAUE CJPAT
- 5280 - GbE Test Frame
- 7641 - XAUI CJPAT
- 9000 - JTPAT
- 18944 - CEI Stress
- 20480 - SPAT
- 20840 - CSPAT
- 21760 - CJTPAT
- 30240 - XAUI CRPAT
- 32762 - CEI SSPR
- 33792 - 10GbE
- 65535 - SSPRQ
- 90000 - FDDI Wander
- 92160 - SATA
- 311040 - SONET CID
- 127 - 2˄7-1 PRBS
- 128 - 2˄7 PRBS
- 511 - 2˄9-1 PRBS
- 512 - 2˄9 PRBS
- 1023 - 2˄10-1 PRBS
- 1024 - 2˄10 PRBS
- 2047 - 2˄11-1 PRBS
- 2048 - 2˄11 PRBS
- 8191 - 2˄13-1 PRBS
- 8192 - 2˄13 PRBS
- 32767 - 2˄15-1 PRBS
- 32768 - 2˄15 PRBS
- 65535 - 2˄16-1 PRBS
- 65536 - 2˄16 PRBS
- 1048575 - 2˄20-1 PRBS
- 1048576 - 2˄20 PRBS
- 8388607 - 2˄23-1 PRBS
- 8388608 - 2˄23 PRBS
Requires FlexDCA revision A.07.40 or greater.
Example Command
:FUNCtion2:PATTern PRBS15