ITU V.28:1993
ITU V.28:1993 Electrical Characteristics For Unbalanced Double-current Interchange Circuits
Table of Contents
1Scope2Interchangeequivalentcircuit
3Load
4Generator
5Significantlevels(V[1])
6Signalcharacteristics
7Detectionofgeneratorpower-offorcircuitfailure
AnnexA-Operationfrom20kbit/sto64kbit/s
A.1Option1
A.2Option2