Note: Check your adapter works after an OS Update, as you may have to re-install the driver. Select this port name in a terminal program. This indicates the USB-Serial driver is working. dev/cu.Bluetooth-PDA-Sync /dev/cu.usbserial dev/cu.Bluetooth-Modem /dev/cu.iPhone-WirelessiAP Keyspan serial-USB adapter drivers can be found in their Support Section.Īfter installing the correct driver, plug in your USB-Serial adapter, and open a Terminal session (Applications/Utilities).Įnter the command ls /dev/cu.*, and look for something like usbserial (or similar):.Belkin - USB Serial Adapters: F5U257, F5U103, F5U003 (poor OS X support).Silicon Labs - CP210x USB to UART Bridge Virtual COM Port (VCP) drivers.If your adapter doesn't work with either of these, try the following sources: NOTE: It may be necessary to remove any previous driver before installing a newer one,Įg: $ sudo rm -rf /System/Library/Extensions/ProlificUsbSerial.kext UPDATE: Mavericks (10.9) includes a driver for FTDI-based Serial-to-USB adapters.
Most Serial-to-USB adapters will work on a Mac with one of the following OS X drivers. You can use screen, although Minicom (or a GUI program) offer more features and functionality. You just need a serial to USB adapter, the right driver, and some Terminal software. Mac's are excellent tools for accessing serial device TTY ports (to console into PBX's, switches, and routers).
