Abstract / scope
Defines 15-pin connector and the assignment of connector pin numbers at the interface between data terminal equipment and data circuit-terminating equipment where CCITT Recommendations are considered.
ISO 4903:1989Published
Information technology — Data communication — 15-pole DTE/DCE interface connector and contact number assignments
Technologies de l'information — Communication de données — Connecteur d'interface ETTD/ETCD à 15 pôles et affectation des numéros de contacts