The Radio Information Board

Hi,

Is it possible to read and write data to the transceiver through the rear accessory port on a TK-8180 (DB-25)? I use the KPG-89D program.

I was told to use pins 2(TX) 3(RX) and pin 11(ground) on DB-25 - Radio
pins 2(TX) 3(RX) and pin 5(ground) on DB-9 - PC


Thanks for help.