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Software flow control - Wikipedia, the free encyclopedia
Software flow control is a method of flow control used in computer data links, especially RS-232 serial. It uses special codes, transmitted in-band, over the primary communications channel. These cod...
en.wikipedia.org/wiki/Software_flow_control |
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Two reserved control characters of the ASCII character set, designated as XON (control Q or 11H) and XOFF (control S or 13H), are used for this purpose. Whenever the receiver sends an XOFF character during data transfer, the transmitter will stop transmission.
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A few facts about (ASCII or "dumb") terminals and modems: ... XON (ASCII Control-Q); Used to tell other side that it is OK to continue transmitting data. ... transmitted data may contain XON/XOFF characters which fool the hardware;
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Xon xoff flow contr... ... Xon vs xoff ... Pac xon game...
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The receiving PC sends an XOFF control character (ASCII 19, Ctrl+S) to pause the transmission of data when the receive buffer is full and then sends an XON character (ASCII 17, Ctrl+Q) when it is ready to continue the transmission.
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Xon/Xoff (sometimes written "X-on/X-off" or "XON/XOFF" and pronounced eks-AWN eks-AWF) is a protocol for controlling the flow of data between computers and other devices on an asynchronous serial connection. ... The actual signal for X/on is the same bit configuration as the ASCII Ctrl-Q keyboard combination. The X/off...
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Home > Networking Definitions - Xon/Xoff ... The actual signal for X/on is the same bit configuration as the ASCII Ctrl-Q keyboard combination. The X/off signal is the Ctrl-S character.
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