Open Disk Utility then c hoose View > Show All Devices.By downloading the software linked below, you accept the license agreement. Turn on your Mac and immediately press and hold Command () + R to restart in macOS Recovery. Perform a clean uninstall, removing the USB drivers installed on your Mac following these instructions: Uninstall USB drivers from the Shadow app settings and turn off your Mac.In this guide, we have shared the Android USB Drivers for all the OEMs.GT-10 USB Driver v1.0.1 for Mac OS X Yosemite (10.10). However, finding the right drivers is no easy task. In this regard, you will have to install the OEM-specific USB drivers on your PC or Mac.On Mac, the file which maps to the port is /dev/cu.usbserial. And this won’t change the “Not Configured” message – that’s still ok.Now finally, you need an application which will talk to the serial port. Because it’s a serial port, it’ll say “Not Configured” and that’s normal:From the “Advanced” button you can change default settings (usually not needed). This is normal, click ‘Continue Installation‘.Installing should start (takes a couple of minutes to complete)After you restart, check that everything has installed OK.On the Mac there are two methods to determine this:Your results should be very close to this:Now click on the ‘+’ sign on the bottom left, and then on the ‘Select the interface and enter a name for the new Service’ click on ‘Interface’ – you should be seeing the ‘USB-Serial Controller D’ there.This will create a “Network” interface for a modem or serial port. Once connected click on the Apple icon and on ‘About This Mac’Click on ‘USB’ on the left and on the ‘USB-Serial Controller D’If all is well you should be seeing something like this:Time to get the driver! Fire up Safari and browse to and scroll down to Mac.Click on the ‘PL2303 MacOSX10.6 dmg v.1.4.0.zip’, the Safari Downloads window should come up:Now double click on the PL2303_1.4.0.dmg to mount the imageNow double click on the PL2303_1.4.0 to start the installationOnce the installer comes up click ‘Continue’ to proceed.Then ‘Select a Destination’ click on your desired drive and click ‘Continue’ to move forwardYou may be asked of your username and password – enter them and click ‘OK’You’ll get a warning about restarting the computer after the installation is complete. If you want to verify that the adapter and the driver were installed properly click hereConnect the device to the Mac.A cable where only GND is connected and Rx is connected to Tx and Tx is connected to Rx that’s all that’s necessary). It seems your USB-to-Serial adapter is working.Did you also try removing the interface in the System Preferences ?Answer: Because exactly this might conflict with the UPS software.If it still doesn’t work, add it back in, also try configuring the baudrate to 9600 baud.Another thing: Try asking the UPS vendor if the name of the serial port is important.You verify that your USB-to-Serial adapter works by connecting either a modem or another computer via a null-modem cable (eg. Try verifying on a friends computer.OK, let’s assume you see the two device names.Open your “System Preferences”, then click your “USB-Serial Controller D” (or whatever it’s called), click the button in the bottom of the panel (to remove it!), click “Apply” and quit System Preferences.Try your UPS software again and see if it works now.You’ve come a long way already. If the Prolific Driver installer works without an error, then the commands below should return values similar to those listed above when run with the adapter connected:If you are not seeing the expected output from these commands, please verify that your adapter matches the 3rd photo in our post, showing the entry in system profile:If your adapter does not match this entry, our instructions unfortunately will not be relevant for your adapter.If these instructions don’t work, please email with your Amazon order ID for further support.I am sure I can’t help you, because I gave up on my microcontroller communication, but I’d like to tell you what I would try (if you haven’t tried it already):1: Try unplugging your USB-to-Serial adapter.2: Open the terminal, type (without the $):3: You should see nothing after the above line, now plug in your USB-to-Serial adapter, then type……You should see ‘cu.usbserial’ and ‘tty.usbserial’.If you see those two device names, I believe you should contact the manufacturer of the UPS.If you do not see the two device names, your USB-to-Serial adapter might be defective. Another common reason for the symptoms you describe would be trying to add the USB Serial Device to network connections when the cable isn’t connected to the system. If you have any trouble, just visit plugable.com/products/pl2303-db9/support to see existing FAQs for Plugable’s USB Serial adapter.Hi Jordan (and any others who might be reading this)-One reason our instructions would not work is if you have purchased an FTDI chipset based USB Serial Device.
Get Usb Install USB DriversPerhaps the first one or the last one is most relevant.I’m not sure I can come up with other ideas, but perhaps someone else reading this might have a few suggestions.I think there’s no problem with the UPS hardware. Try this page:Product Information, Support and Service, “Customer Issues Department” and “Request technical assistance on product(s) already in use”. The vendor might have the manual available as a PDF download.I just searched the Web and it seems I’ve found their site. =)Also try and look in your manual for the UPS and read what it says about compatibility on the RS232 port. -Hmm… I actually have an old Hayes modem here, I could go and see if it works with my adapter. If you have an old 9600 baud Hayes modem, it would be fine for such tests. This means the Profilic driver is shown in the system overview but does in fact have no KEXT loaded to make this thing work.I’ve found a workaround which is kinda annoying and does in fact work only as long as you don’t plug any other USB devices into the port after getting the adapter to work. A newly integrated feature which does in fact prevents any unsigned KEXT to be loaded. Still nothing ? -try “rs232” or “uart” or “usart”.(Just a thought: I find it a bit weird, if the UPS vendor writes sofware to communicate with the UPS via RS232 and the same vendor does not mention anything at all about compatibility or how to actually connect the UPS in the manual – because why then use several months/years on writing the software? -But I guess some companies want to be strange.)The enemy is called SIP. Plist are usually the places where the developer would store such things, which could be tweaked or changed without re-compiling the application.From the terminal, you can also trying CD’ing to the application’s Contents folder and do a…If nothnig found, try “tty” instead of serial.
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