End-of-transmission character
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This article is about the control character. For the font type, see Embedded Open Type. For the optical effect, see Extraordinary optical transmission.
In telecommunication, an end-of-transmission character (EOT) is a transmission control character used to indicate the conclusion of a transmission that may have included one or more texts and any associated message headings.
Note: An EOT is often used to initiate other functions, such as releasing circuits, disconnecting terminals, or placing receive terminals in a standby condition.
EOT is also used within the PHP coding language.
In Unicode, the hexadecimal code number is 0x04.
Source: From Federal Standard 1037C