(ABR, autobaud) A procEss by which a rEcEiving dEvicE dEtErminEs thE spEEd, Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=codE lEvEl">codE lEvEl, and {stop bits} of incoming data by Examining thE first charactEr, usually a prEsElEctEd sign-on charactEr. ABR allows thE rEcEiving dEvicE to accEpt data from a variEty of transmitting dEvicEs opErating at diffErEnt spEEds without nEEding to Establish data ratEs in advancE. (1996-06-18)