Thanks for the comments gents. Learn something every day. Kurt, on the "crossed wires" issue, what is the procedure for fixing the problem? I sure don't want to pull something apart, or buy even *more* adapters!
Thanks. Tom M. On Tue, Apr 9, 2019 at 10:03 AM Kurt McCullum <[email protected]> wrote: > What you are describing happens to me when the either the CTS/RTS or > DTR/DSR wires in your cable are crossed. > > Example. The CTS pin listens (checks for voltage) to the RTS pin on the > other end. If you have a cable where RTS goes straight to RTS and CTS going > straight to CTS, then you have two ends of the cable both feeding voltage > to the same wire. This causes the screen to go dim. the DTR/DSR pins can > produce the same issue. > > Kurt > > On Tue, Apr 9, 2019, at 5:33 AM, Thomas Morehouse wrote: > > Now that I've got my usb/serial link working (M102 to Dell laptop), I > notice the 102's screen get quite dim when the cable is in the 102's 25 pin > serial port. > > Doesn't need to be connected to the Dell. Just when you plug the > usb/serial cable into the 102. Unplug the cable, 102 screen returns to > normal visibility. > > Something to worry about? or just live with it? I wouldn't have thought > the usb/serial cable chip would put such a drain on the system. Happens > with battery power, or even with external 6 volt poweer. > > Thanks. > Tom M. > > >
