GLOSSARY114defaultAny setting assumed, at startup or reset, by thecomputer's software and attached devices. Thecomputer or software will use these settingsuntil changed by the user or other software.detect phaseIn the ITU-T V.42 error-control protocol, thefirst stage in establishing if both modemsattempting to connect have V.42 capability.dictionaryThe term used for compression codes built bythe V.42 bis data compression algorithm.digital loopbackA test that checks the modem's RS-232interface and the cable that connects theterminal or computer and the modem. Themodem receives data (in the form of digitalsignals) from the computer or terminal, andimmediately returns the data to the screen forverification.digital signalsDiscrete, uniform signals. In this manual, theterm refers to the binary digits 0 and 1.DTEData Terminal (or Terminating) Equipment. Acomputer that generates or is the finaldestination of data.