1 Introduction
2 Field of application
3 Symbolic representation of an interchange circuit
4 Generator polarities and receiver significant levels
4.1 Generator
4.2 Receiver
5 Generator
5.1 Output impedance
5.2 Static reference measurements
5.3 Generator output rise-time measurement
6 Load
6.1 Characteristics
6.2 Receiver input voltage Current measurements
6.3 DC input sensitivity measurements
6.4 Input balance test
7 Environmental constraints
8 Circuit protection
9 Category 1 and category 2 receivers
10 Signal common return
11 Detection of generator power-off or circuit failure
12 Measurements at the physical interchange point
12.1 Listing of essential measurements
12.2 Listing of optional measurements
Annex A Compatibility with other interfaces
A.1 Compatibility of Recommendation V.10 and Recommendation V.11 interchange circuits in the same interface
A.2 Recommendation V.10 interworking with Recommendation V.11
A.3 Recommendation V.10 interworking with Recommendation V.28
Annex B Considerations for coaxial cable applications V.10 COAXIAL
Appendix I Waveshaping
Appendix II Cable Guidelines