Source : Free On-Line Dictionary of Computing

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)