Hello many hams sends e-mail for help. Tnx at all. Conclution i need a com port to manage my rig from the pc and another com port for WL in CW. I dont understand fine this because with one com port is possible to drive the PTT and the CW input. I dont have a serial option in my ts-850 then not work CW in WL , I understand well. ?? walter giovannini cx7bf