-- card: 92811 from stack: in -- bmap block id: 0 -- flags: 0000 -- background id: 12438 -- name: -- part contents for background part 14 ----- text ----- XON/XOFF -- part contents for background part 13 ----- text ----- A communications protocol that tells the computer to start or stop sending data by sending the appropriate character: either an XON or an XOFF. The LaserWriter II sends an XOFF when its input buffer is nearly full and an XON when it has room for more data. Compare handshaking*. -- part contents for background part 11 ----- text ----- Glossary