7-bit character set for information exchange.
Information processing - Use of longitudinal parity to detect data errors in information messages.
Information processing - Character structure for start/stop and synchronous transmission.
Information processing - Basic mode control procedure for data communication systems.
Data communication - 15-pin DTE/DCE interface connector and pin assignment.
Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of data communications".
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for start/stop transmission services on public data networks.
ISO specifications are available from the International Standartds Organisation http://www.iso.org
CCITT specifications are now ITU recommendations and available from the International Telecommunications Union http://www.itu.int