CSA ISO 4903
Information technology - Data communication - 15-pole DTE/DCE interface connector and contact number assignments
|Publication Date:||1 February 1995|
This 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 CClTT ') Recommendations X.24, x26, 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.