V.42-LAPM Operation


The Teridian 73M2901CE, a single-chip V.22bis modem, has an ITU-T V.42 error-correction function, performed in software that runs on a host processor. This software or "V.42 engine" is controlled by the host system and communicates with the 73M2901CE via a serial port. This application note discusses the 73M2901CE's V.42 link-access procedure for modems (LAPM) operation. Read full article.