Keysight M8000 Series of BER Test Solutions User Guide 421
Setting up Patterns 7
8B/10B Coding
The following figure shows the pattern edit pane with a 8B/10B coded
pattern:
You can use the Settings Window to enhance the visualizations of the
current pattern. For details, refer to Settings Window on page 412.
This type of pattern contain:
• Symbol: 8B/10B coding have 8 bits in one symbol.
• Attributes: It has the following attributes:
• Mask - This attribute only affects the Data In ports.
• Squelch - This attribute only affects the Data Out ports.
• Scrambler Enable - This attribute enables/disables the scrambler.
• Scrambler Pause - This attribute is used to pause scrambler for
some special symbol.
• Scrambler Reset - This attribute is used to reset scrambler LFSR
(Linear feedback shift register).
• Start of frame - This attribute enables/disables the start of frame
marker.
• K/D - This attribute specifies whether the symbol bits are control
characters or data.
• Data - Specifies data bits.
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