Transmission block

In telecommunication, the term transmission block has the following meanings:

  1. A group of characters or bits transmitted as a block, unit, message, or packet. It usually includes additional encoded characters for error detection and correction.
  2. In data transmission, a group of records sent, processed, or recorded as a unit.

Some protocols require each transmission block to end with an end-of-message marker. This is often a control character such as End-of-Text (ETX), End-of-Transmission-Block (ETB), or End-of-Transmission (EOT).

Some protocols (especially those requiring ETX) require each transmission block to begin with a Start-of-Text character (STX).

See also

References
  • Public Domain This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22.
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