AS 2748:1991

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Information technology – Data communication – 25-pole DTE/DCE interface connector and contact number assignments

Published By	Publication Date	Number of Pages
AS	1991-04-15	19

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Categories: 35.100.10 - Physical layer, 35.200 - Interface and interconnection equipment, AS

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Description

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.

Scope

This International Standard specifies the 25-pole connector and the assignment of contact numbers at the interface between data terminalequipment (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 CCITT1)Recommendations V.24 and V.28 re applicable. In the case of the PDN attachment through the X.20 interface, the functions of the interchange circuits are in accordance with CCITT Recommendation X.24. In the case of the V.20 type outstation interface, the electrical characteristics are in accordance with CCITT Recommendation V.31 or V.31 bis.
International Standard ISO/IEC 2110 additionally provides the dimensions of the connector housing, as well as the recommended means of providing a locking device (latching block) and connector shielding.

Additional information

Published Code	AS
Published By	Australia Standards
Publication Date	1991-04-15
Pages Count	19
Language	English
Edition	2
File Size	102.4 KB
ISBN	0726268399
ICS Codes	35.100.10 - Physical layer 35.200 - Interface and interconnection equipment

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AS 2748:1991

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