ITU-T X.21
Interface between Data Terminal Equipment and Data Circuit- Terminating Equipment for Synchronous Operation on Public Data Networks (Study Group VII) 58 pp
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| Organization: | ITU-T |
| Publication Date: | 1 January 1992 |
| Status: | active |
| Page Count: | 58 |
Document History
ITU-T X.21
January 1, 1992
Interface between Data Terminal Equipment and Data Circuit- Terminating Equipment for Synchronous Operation on Public Data Networks (Study Group VII) 58 pp
A description is not available for this item.
January 1, 1989
Interface between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) for Synchronous Operation on Public Data Networks - Data Communication Networks: Services and Facilities, Interfaces
A description is not available for this item.