3.3.4.2 Receive Preamble

  • The receiver MUST read the Version Record, as described in section 3.1.4.3.

  • The receiver MUST read the Mode Record, as described in section 3.1.4.4.

  • The receiver MUST read the Via Record, as described in section 3.1.4.5.

  • The receiver MUST read the Encoding Record, as described in section 3.1.4.6.

  • If the mode is Simplex, the receiver MUST read the Preamble End record as described in section 3.1.4.9.

  • If the mode is Singleton Unsized, or Duplex, the receiver MUST perform these additional steps:

    • If an upgrade is required, read the Upgrade Request Record, as described in section 3.1.4.7.

    • Read the Preamble End Record, as described in section 3.1.4.9.

  • The receiver MUST set Receive Allowed to TRUE.

  • If the mode is Duplex, the receiver MUST set Send Allowed to TRUE.