Sure you can.  I not sure about the pinouts, but all an HP used, back in the
ATP days, was
"Xmit", "Recv", &"Gnd".  Connect to a 25 pin using 2, 3 & 7.....
 
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*                              Brad McFarling                               *
*                                Dallas, TX                                 *
*                         email: [log in to unmask]                          *
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