I want to open the serial port with the build in screen command preferably ( screen ). Strangely, when I try to connect to the switch via Serial App, I can see the USB serial port and it works perfectly to connect to the switch which means that the USB-to-serial device works fine generally. When I change the modem to a 'Null modem', set the baud to 9600 and try to connect, a popup appears that says that my device is not available. respectively), which means, that I am not able to find a serial device which is associated with the usb port.Īfter the installation of the driver I had a 'USB serial controller' in my network settings.

The ls /dev/*usb* command does not return a result at all. I tried to follow several instructions such as this one or the installation instructions in the ZIP-archive of this driver but none of this worked.Īfter the installation of the mentioned driver of my device, all of the instructions I found asked me to use the ls /dev/tty.*, ls /dev/*usb* or the ls /dev/cu.* command to find out the device which is associated with the usb port.

I have a Belkin F5U103V USB-to-serial adapter and want to connect to a HP ProCurve switch. I try to establish a serial connection with my MacBook (High Sierra 10.13.1) and need help.