EF Johnson Programming cable for 5100 series

 Using an old Jedi/MTS2000/MT2000/JT1000/HT1000/MTX9000 spkr mic cable...


 DB9-F(RS-232)           Jedi spkr-mic connector

  1 - n/c     
  2 - RxD     red          9
  3 - TxD     orange       7
  4 - n/c     
  5 - Gnd     green        13, 8
  6 - DSR     violet       12
  7 - n/c     
  8 - CTS     gray         10
  9 - n/c