Keysight M8000 Series of BER Test Solutions User Guide 375
Setting up Patterns 7
The following parameters can be configured as an attributes.
• EIEOS - The EIEOS (Electrical Idle Exit Ordered Set) allows you to
choose the pattern (PCIe3 | PCIe4) to be used for link training.
• Generation - Specifies the target link training PCIe Gen3 (8GT/s) or
PCIe Gen 4 (16GT/s).
• DUT Type - Specifies which role the DUT should play during link
training. It can either be an upstream device for testing a downstream
port or vice versa.
• Clock Architecture - Specifies the clock architecture whether common
or separate. In case of common clock, a common RefClk is expected.
The M8000 instrument and the DUT run on the same clock. The RefClk
is provided by the ‘Trig Out’ of the clock module of the M8000
instrument. In case of separate clock, the DUT runs on its own RefClk
provided by itself or by an external source. The ‘Trig Out’ of the M8000
instrument is not used as RefClk for the DUT.
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