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It took me a couple of Googles to work this out... I have a Belkin f5u103v USB-to-Serial adapter and needed a console connection to a Cisco switch.

To get started install this driver from apple (I think it needed a reboot).

If this was successful when you connect the USB-to-Serial you'll be asked if you want to setup a modem / network connection... say no. From a terminal you should now see a new device similar to mine...

NickBook:~ nick$ ls /dev/cu*
/dev/cu.Bluetooth-Modem /dev/cu.PL2303-00001004 /dev/cu.Bluetooth-PDA-Sync
NickBook:~ nick$

The PL device disappears when I unplug the USB adapter. Next you then need a copy of minicom, I installed macports and did port install minicom.

Since I don't want to re-invent the wheel now go to and Start at STEP 3 to configure minicom (Obviously you'll replace /dev/cu.USA19QI191P1.1 with something similar to /dev/cu.PL2303-00001004 ) once finished you'll be set.. happy terminal session!



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