Why does the Cocoon Palm cable use pin 4, while the Palm modem cable uses pin 1?
I was able to get the Palm to work with the F90X using the standard 9-pin D-type, the 9-25 pin adaptor supplied and a Palm Pilot Modem cable (from 3Com), which is 25 pin D-type. Checking the connections with the multi-meter, it appeared that DTR (which goes to pin 4 of the Pilot on the Cocoon lead) actually goes, via the above set-up, to Pin 1. Given that this arrangement worked fine, can you explain the discrepancy in the DTR connection? Pin 4 on the Palm connector is the Rts output of the Palm. The Cocoon cable uses it as power supply to HarTALK. Pin 1 on the Palm connector is a non-standard voltage output and may work for HarTALK. Non-standard, because it could be implemented differently in different Palm models, OS’s, software apps, or whatever other reason 3Com deems it “non-standard”. It can used as DTR on the Palm, which explains why the DTR on the PC cable, through the convertors ends up at the DTR point on the Palm. However, we made our power connection to Rts, as it was found
