ANSI/INCITS 4-1986 Information Sysytems - Coded Character Sets - 7-Bit American National Standard Code for Information Interchange (7-Bit ASCII) formerly ANSI X3.4-1986; FIPS PUB 1-2
ITU-T O.151-1992 ERROR PERFORMANCE MEASURING EQUIPMENT OPERATING AT THE PRIMARY RATE AND ABOVE
ITU-T V.14-1993 Transmission of Start-Stop Characters over Synchronous Bearer Channels (Study Group XVII) 7 pp
ITU-T V.42bis-1990 Data compression procedures for data circuit-terminating equipment (DCE) using error correction procedures
ITU-T V.56bis-1995 Network transmission model for evaluating modem performance over 2-wire voice grade connections