:PROTocol:PROTocol:LAYer

:PROTocol Commands

Command Syntax

:PROTocol:PROTocolN:LAYer  {TRANport | LINK}

Where N identifies one of four possible protocol decodes {1:4}. For example, PROTocol3.

Query Syntax

:PROTocol:PROTocolN:LAYer?

Description

Depending on the selected :PROTocol:PROTocol:TYPE, this command specifies the layer you want to view:

  • TRANsport — This transport layer view presents the conventional, fully decoded packet view, enabling standard protocol-level analysis and inspection.

  • LINK — This link layer view displays intermediate decoding of symbols with FEC correction applied. This view is particularly valuable during DUT development and bring-up, as it allows engineers to analyze symbol-level behavior and error correction effects.

This command can be used with the following protocol types:

  • USB4 (when Gen 4 is determined)