One of the main advantages of this adapter is its plug-and-play convenience. This adapter features a USB-A to DB9 RS232 male cable, which is three feet or 0.91 meters long and comes with a three-year warranty. The Tripp Lite Keyspan High-Speed USB to Serial Adapter is a versatile and reliable solution for connecting serial devices to a USB computer. Just be sure to consider these key points before making a purchase to ensure that you get an adapter that meets your needs. Overall, a USB to serial adapter can be a useful tool for connecting older devices to your computer. Price: USB to serial adapters can range in price from very cheap to quite expensive, so consider your budget and the features you need when making a purchase. Cable length: Consider the length of the cable that comes with the adapter, as well as whether you need any additional cables or adapters to connect to your device.ĥ. Drivers: Some adapters require drivers to be installed on your computer, so check to see if the manufacturer provides them and if they are compatible with your operating system.Ĥ. ![]() Speed: Serial ports have limited data transfer speeds, so make sure the adapter you choose can handle the speed you need for your application.ģ. Check the manufacturer's website for compatibility information.Ģ. Compatibility: Ensure that the adapter you choose is compatible with your computer's operating system and the device you'll be connecting. Here are five key points to consider when looking for a USB to serial adapter:ġ. ![]() This type of adapter allows you to connect devices with a serial port to your computer via USB, making it a useful tool for a variety of applications. Mine shows up as the /dev/cu.PL2303-00002014 and that then appears in my favorite terminal emulator, SecureCRT as a choice under Serial Ports.If you're looking for a USB to serial adapter, it's important to know a few key points before making a purchase. shell$ ls /dev/cu* /dev/cu.Bluetooth-Incoming-Port /dev/cu.PL2303-00002014 /dev/cu.Bluetooth-Modem When you complete the mv command above, you’ll get a pop-up warning from OS X claiming that the driver was installed improperly (we fix that later in the instructions), just click OK and ignore it.Īfter you complete the above steps, inserting the adapter in a USB port should automatically create a device in /dev for the serial port. Shell$ sudo chown -R root:wheel osx-pl2303.kext/ shell$ sudo kextload. Shell$ sudo chmod -R 755 osx-pl2303.kext/ Shell$ sudo mv osx-pl2303.kext /System/Library/Extensions/ The instructions to install the driver that I used are, from Terminal: shell$ tar zxvf The driver I used can be downloaded here: The original WLANBook Blog Post is here: ![]() The ATEN adapter is based on the PL2303 (H, HX, X chip version) USB-to-Serial Bridge Controller, so these instructions should work with a variety of adapters other than the ATEN (including the Tripp Lite USB to Serial DB9M Adapter (U209-000-R) ($8)). In order to bring light to this astonishingly good news, I’m re-blogging the instructions with appropriate credit. So, I opted to try it out under Mavericks as well and…it works. I borrowed an adapter from a friend of mine, the ATEN USB to PDA/Serial (DB9) Adapter w/ PC & Mac Drivers UC232A ($19.22), to see if it would work.Īfter 3+ hours of trying to get various drivers working, I was no closer to a working solution.įortunately, my same friend was able to find the two year-old blog post documenting a setup that worked under Mountain Lion. Keyspan does not show a driver that supports OS X 10.9 and loading the 10.8 driver resulted in no change from not having the driver. I’ve always been able to get it to work properly, but recently, with my upgrade to a 15″ MacBook Pro Retina Display and subsequent upgrade to OS X 10.9 Mavericks, my trusty little friend may have met his day. I’ve carried a Keyspan USA-19HS with me in my briefcase for close to a decade (maybe more). I often do work that requires a serial port. ![]() Appears that with the coming of OS X 10.9 Mavericks, we are once again faced with various peripherals that cease to function correctly.
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