hamw wrote:...when I run a terminal check the keyspan device does not appear:
macmini:~ WilliamsEC$ ls -l /dev/cu.usbserial-*
crw-rw-rw- 1 root wheel 18, 19 Sep 21 17:46 /dev/cu.usbserial-03VGC6FK9
crw-rw-rw- 1 root wheel 18, 21 Sep 21 17:46 /dev/cu.usbserial-A1018WW310
crw-rw-rw- 1 root wheel 18, 7 Sep 21 17:46 /dev/cu.usbserial-A600exMb
macmini:~ WilliamsEC$
Try changing the command to ls -l /dev/cu*
I get
$ ls -l /dev/cu*
crw-rw-rw- 1 root wheel 18, 11 Sep 19 14:22 /dev/cu.Bluetooth-Modem
crw-rw-rw- 1 root wheel 18, 13 Sep 19 14:22 /dev/cu.Bluetooth-PDA-Sync
crw-rw-rw- 1 root wheel 18, 7 Sep 19 14:22 /dev/cu.Bluetooth-Serial-1
crw-rw-rw- 1 root wheel 18, 9 Sep 19 14:22 /dev/cu.Bluetooth-Serial-2
crw-rw-rw- 1 root wheel 18, 3 Sep 22 04:00 /dev/cu.KeySerial1
crw-rw-rw- 1 root wheel 18, 1 Sep 22 07:57 /dev/cu.SLAB_USBtoUART
crw-rw-rw- 1 root wheel 18, 5 Sep 19 14:22 /dev/cu.USA19H143P1.1