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Member Since: Jul 30, 2008
Location: San Francisco/East Bay
Posts: 4
mac_hobbyist is on a distinguished road
Mac Specs: Quicksilver 2002 running Tiger and Leopard

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Usually serial devices are represented by Unix "device files." To find the device file(s) for your USB/Serial adapter, try using commands like these in the Terminal application:

ls -l /dev/tty*
ls -l /dev/cu.*

If you don't find any device files for your USB/Serial adapter, make sure you have installed the software required by your USB/Serial adpater. Often, that kind of support is provided by a "Kernal Extension."
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