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He is trying to use a straight 232 (serial) cable - no usb adapter involved. Regular mb serial port. The app I sent him does nothing more than verify the port doing loopback, cts and dsr tests.
The port is passing (and running the app will also tell us if its in use by another provess) - so its either the port on the ups (which is really doubtful) - or something in the software.
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Good Hunting!
Captain Haplo
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