Other features include full ANSI/VT100 terminal emulation, break-sequence support (for Cisco, etc), a line-buffered or immediate send mode, and much more. Serial Port Access on your Mac with CoolTerm A basic tool for testing your serial port connection on your Mac is CoolTerm by Roger Meier: CoolTerm is a simple serial port terminal application (no terminal emulation) that is geared towards hobbyists and professionals with a need to exchange data with hardware connected to serial ports such as. So, if you can't find an OS X driver for yourĪdapter (eg, Belkin), give Serial a try - available from the Mac App Store. Serial Serial is a great Terminal Emulation Program with built-in driver support for most common USB to serial devices. Or, ctrl-click/right-click on the app and select Open from the pop-up menu so not to permanently lower your security settings.

If you have trouble installing any of the following (or any other program) with an unidentified developer error, goto: System Preferences ➤ Secrity & Privacy ➤ General and click on Allow Applications Downloaded from: Anywhere and try again. If you can't find a driver for your adapter (eg, Belkin), try Serial which has built-in support for most (if not all) USB-Serial adapters. If you're looking for a command line app, there's Screen (built-in) or Minicom. The following Mac OS X GUI applications are available: Having installed the right driver for our USB-serial adapter, we also need to install some terminal emulation software before we can connect to anything.