TNC                   YAESU 4 PIN

PIN 1                 PIN 2
PIN 3                 PIN 3
PIN 4                 SPEAKER +
PIN 2                 PIN 1



TNC                   YAESU 8 PIN

PIN 1                 PIN 8
PIN 3                 PIN 6
PIN 4                 SPEAKER +
PIN 2                 PIN 7



TNC                   YAESU FT-208

PIN 1                 PIN 1
PIN 3                 PIN 3
PIN 4                 PIN 2
PIN 2                 PIN 4



TNC                   YAESU FT-x09

PIN 1                 Small Tip (*)
PIN 3                 Small Tip
PIN 4                 Large Tip
PIN 2                 Sleeves



TNC                   YAESU FT-x3

PIN 1                 Small Tip (*)
PIN 3                 Small Tip
PIN 4                 Large Tip
PIN 2                 Sleeves



TNC                   YAESU FT-727

PIN 1                 Small Tip (*)
PIN 3                 Small Tip
PIN 4                 Large Tip
PIN 2                 Sleeves


(*)=Some Yaesu HTs key the transmitter
    by completing the ground connection     on the microphone.
    If your HT is one that is noted
    above, consult an MFJ manual or
    the manufacturer for advice.

(x)=Designates 'any number'. For
    example 'x3' could be 23 or
    33 etc.

DISCLAIMER: THE INFORMATION CONTAINED
            HERE IS BELIEVED TO BE
            ACCURATE< , HOWEVER NOTHING
            IS GUARANTEED OR IMPLIED> .