Transmission block

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

1. A group of bits or characters transmitted as a unit and usually containing an encoding procedure for error control purposes.

2. In data transmission, a group of records sent, processed, or recorded as a unit.

Note: A transmission block is usually terminated by an End Of Block character (EOB), End Transmission Block character (ETB), End Of Text character (ETX), or End Of Transmission character (EOT).

Source: From Federal Standard 1037C