AS 2748-1991

Specifies the 25-pole connector and the assignment of contact numbers at the interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) or parallel automatic calling equipment (ACE). It is applicable to voice band modems, public data network (PDN) facilities, telegraph signal converters, and automatic calling equipment where CCITT Recommendations V.24 and V.28 are applicable. Provides the dimensions of the connector housing, as well as the recommended means of providing a locking device (latching block) and connector shielding. This Standard is identical with and has been reproduced from ISO 2110:1989.