Information technology — Telecommunications and information exchange between systems — Interface connector and contact assignments for ISDN Basic Access Interface located at reference points S and T
Specifies the 8-pole connector (plug and jack) and the assignments of poles/contacts for use in physical interfaces. These physical interfaces may be located at reference points S and T between TEs and NTs and between NT1s and NT2s and shall conform to CCITT Recommendation I.430. Also specifies the requirements for ISDN basic access cords.