The rear]panel connector is wired so that it may be connected to a PC using a standard straight]through serial cable. A null]modem adapter is needed to connect a GPS receiver having a typical serial cable. The pin]out of the d]sub connector is as follows: 2: Data out 3: Data in 5: Ground 6: Profile select 8: 1]wire data bus
--- In [email protected], "Keith VE7GDH" <ve7...@...> wrote: > > Rudy (VE3BDR?) wrote... > > > If you happen to have a NULL MODEM ADAPTER handy, connect that > > in line and see if the problem goes away. > > That would prove if Clay has pins 2 & 3 reversed. Don't forget that the > null modem adapter would also need pin 4 connected to pass power to > the GPS. He could also check to make sure that he's feeding 5V to the > GPS and not (fatal) 12V. Oh... scratch that thought. I see he's using a > T2-135. Your null modem comment made me think he was using an > OT2m - hi! - but he could still check the wiring. It would be easy to > check on a PC. Just haywire / breadboard something to feed data to > the PC and feed power to the GPS. > > 73 es cul - Keith VE7GDH > -- > "I may be lost, but I know exactly where I am!" >
