CONTENTS

 1     Introduction
 2     Field of application
 3     Symbolic representation of interchange circuit
 4     Generator polarities and receiver significant levels
        4.1     Generator
        4.2     Receiver
 5     Generator
        5.1     Resistance and d.c. offset voltage
        5.2     Static reference measurements
        5.3     Dynamic voltage balance and rise time measurements
 6     Load
        6.1     Characteristics
        6.2     Receiver input voltage – Current measurements
        6.3     D.c. input sensitivity measurements
        6.4     Input balance test
        6.5     Terminator
 7     Environmental constraints
 8     Circuit protection
 9     Detection of generator power-off or circuit failure
10     Measurements at the physical interchange point
       10.1     Listing of essential measurements
       10.2     Listing of optional measurements
Annex A – Compatibility with other interfaces
        A.1     Compatibility of V.10 and V.11 interchange circuits in the same interface
        A.2     Recommendation V.11 interworking with Recommendation V.10
Appendix I – Cable and termination
        I.1     Cable
        I.2     Cable length
        I.3     Cable termination
Appendix II – Multipoint operation
Reference