01-24-2018, 02:15 PM
Having DTR tied to DSR is normal. The computer brings DTR high and expects DSR to go high when the modem is ready. What problem are you having with higher baud rates? If the cable works at 2400 baud, then it works at all baud rates.
Any reason you are using ProTerm 1.9 instead of the latest v3.1?
Any reason you are using ProTerm 1.9 instead of the latest v3.1?