ETSI - TBR 1
Attachment Requirements for Terminal Equipment to Be Connected to Circuit Switched Data Networks and Leased Circuits Using a CCITT Recommendation X.21 Interface, or at an Interface Physically, Functionally and Electrically Compatible with CCITT Recommendation X.21 but Operating at any Data Signalling Rate up to, and Including, 1 984 kbit/s
active, Most Current
| Organization: | ETSI |
| Publication Date: | 1 January 1995 |
| Status: | active |
| Page Count: | 21 |
Document History
TBR 1
January 1, 1995
Attachment Requirements for Terminal Equipment to Be Connected to Circuit Switched Data Networks and Leased Circuits Using a CCITT Recommendation X.21 Interface, or at an Interface Physically, Functionally and Electrically Compatible with CCITT Recommendation X.21 but Operating at any Data Signalling Rate up to, and Including, 1 984 kbit/s
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January 1, 1995
Attachment Requirements for Terminal Equipment to Be Connected to Circuit Switched Data Networks and Leased Circuits Using a CCITT Recommendation X.21 Interface, or at an Interface Physically, Functionally and Electrically Compatible with CCITT Recommendation X.21 but Operating at Any Data Signalling Rate up to, and Including, 1 984 kbit/s
This Technical Basis for Regulation (TBR) specifies the technical characteristics (electrical and mechanical interface requirements, and access control protocol) to be provided by terminal equipment...