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ISO - 2110

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

inactive
Organization: ISO
Publication Date: 1 October 1989
Status: inactive
Page Count: 16
ICS Code (Physical layer): 35.100.10
scope:

This International Standard 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). lt is applicable to voice band modems, public data network (PDN) facilities, telegraph Signal converters, and automatic calling equipment where CCITT 1) Recommendations V.24 and V.28 are 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.

1) International Telegraph and Telephone Consultative Committee.

Document History

September 15, 1991
Information Technology - Data Communication - 25-Pole DTE/DCE Interface Connector and Contact Number Assignments Amendment 1: Interface Connector and Contact Assignments for DTE/DCE Interface for Data Signalling Rates Above 20 000 Bit/s
A description is not available for this item.
2110
October 1, 1989
Information technology - Data communication - 25pole DTE/DCE interface connector and contact number assignments
This International Standard 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)...

References

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