V.11
     
         An ITU-T recommendation on
        electrical characteristics for balanced double-current
        interchange circuits operating at data signalling rates up
        to 10 Mbps.  V.11 is also included but not published in the as
        ITU-T X.27.  V.11 is used in other serial line standards
        such as EIA-422 and EIA-485, that implement differential
        line communication.
     
        (2003-04-06)