CAN/CSA-ISO 4903-95 (R2013)
1. ScopeThis International Standard specifies the 15-pole connector and the assignment of contact numbers at the interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) where CCITT (International Telegraph and Telephone Consultative Committee) Recommendations X.24, X.26 and X.27 are applicable.
International Standard ISO/IEC 4903 additionally provides the dimensions of the connector housing, as well as the recommended means of providing a locking device (latching block) and connector shielding.
GST REG No R119441681
QST REG No R1006017360