UGREEN 3FT DB9 Male 9 Pin USB to Serial Adapter, RS232 to USB Cable

I am amazed at how well this USB to COM adapter works! I have used older versions with older Prolific chips. This one is head and shoulders above them. I have an old GCC Mercury I laser engraver. I usually prefer using a parallel cable because in the past my experience with the USB232 port was extremely slow compared to the parallel port. The files I sent at 56Kbps were uploaded very quickly. I bought this for a backup in case I have problems with the parallel port or to use on computers that have neither port. I am happy enough with this cable to use it without considering it a second choice. I set this adapter to COM 1, 56700bps, 8 bit, 1 stop bit, no handshake.--whatever the default is, just changing the bps speed from 9600bps; with the GCC Mercury I, and similar lasers, you also need a null modem adapter at the laser, so this cable needs a DB9 F to DB25 M adapter: https://www.amazon.com/dp/B00066HOWK, and and a null modem cross over DB9-Female to DB9 Male at the DB9 end of the USB to DB9 adapter. Or you can use a DB25 Female to DB25 male null modem crossover at the end of the DB9 to DB25 adapter mentioned above. If you are handy with you can look up the 8 or 9 wire connections and make your own null modem adapter. My installation is using a 32 bit installation of Windows 10 x86 (32 bit--must be installed on an MBR drive--there is no W11x86 version because of the UEFI requirement). W10 32 bit is way more stable and useful than Windows 7 32 bit or XP at this point. The 32 bit drivers from GCC have not been updated since around 2009, nor will they ever be, and you have to use Windows 32 bit in order for the driver to work. My old Mercury I still engraves and cuts like a charm. New machines of that quality are considerably more expensive now. UPDATE: I also purchased the 3 foot version of this cable, along with a micro DB9 Null Modem adapter from Arnorin, and a final one foot DB9 F to DB25 M to interface with the laser engraver. This setup causes less stress on the laser machine's DB25 connector and less length, so less voltage drop and weight.

I purchased I bought another Sabrent brand DB9 to USB cable converter that had the screw stems in the male connector that blocked the connector itself to seat into my Crestron AudioVisual Processor. This cable did the job perfectly, albeit there was a small hiccup due to the usb not recognizing the conversion due to drivers oddly enough. Typically Windows is able to detect and automatically obtain the right firmware/drivers to allow data transmission, but in this case I just went to UGREEN's website and downloaded the appropriate driver and now it works flawlessly. As for physical aspect of the cable, it is a very rugged and quality looking cable with some decent weight from the gold-plated materials they use. The cable is packaged in a simple packaging box with the UGREEN logo and a picture of the cable on the front. The cable is contained in a clear plastic wrap, you can tell where they cut costs to advertise at the price it is, but certainly not to the point of some packaging I've seen other companies do. And for something like a simple cable where the R & D matter most I'm not complaining. Highly recommend this product for anyone working with older network or AV gear that don't have USB or ethernet console access.

I work with some older equipment that still uses a serial connection. My older USB to Serial adapters would not work anymore with the newer Windows OS. This works almost plug-n-play. The adapter worked perfectly when I tried it but then did a Windows update and then it wouldn't work anymore. I then clicked update driver in the Windows tool and it worked again. So just FYI. This happens on several USB-to-Serial adapters I have.

Received this usb to serial cord in just a few days from Ugreen. It came with a cd with necessary driver to use this cord with my Windows 10 Toshiba laptop. I purchased this cord because we got my a Signtronix led sign and it requires to be programmed via a serial connection on the sign itself. Considering we live in today's world my 1 - 2 year old laptop does not have a serial port so I needed to find a usb to serial cord. I was hoping this would work with sign since the factory cord and usb adapter wasn't with the sign when we got it 2nd hand. After installing the driver and connecting everyrhing this usb to serial cord allowed my computer to communicate with the sign so I could use Signtronix software to program it. Overall, this cord seems like it is of good quality and it worked as intended. I am happy customer.

If you are using this adapter with Windows 11, you will probably be disappointed to be find that it does not work and Device Manager has a message saying "PL2303TA DO NOT SUPPORT WINDOWS 11 OR LATER". You should be aware that while Prolific would love for you to buy a new adapter with another chip from them, there are driver installers out on the 'net that work fine if you search for them e.g. "pl2303ta windows 11 driver". Be careful about what you download, of course. Oh, if you want a normal review - the adapter works just fine, but I'm only here because it stopped working with Windows 11. I started to give it 3 stars before I realized that you can get it working if you dig around, and I don't want to blame UGreen because presumably this decision is coming from Prolific.

Works with M1 MacBook Pro with the Arm windows 11 build in UTM using virtualize

This adapter is bloody fantastic! It arrived well packaged, is well designed and just *works*. I plugged it into my PC and within 2 minutes it was installed and working without needing the driver disk included in the box. The cable is exactly 6 feet long. The only issue I had with it is the thumb screws to attach it to the serial port are a bit difficult to turn, but this is to keep the RS232 end of the cable relatively small. Making them slightly longer with a larger grip point on the end would solve this problem quite well.

I have an older rs232-usb adapter but the drivers are becoming more difficult to manipulate with later versions of Windows. I bought this one when I thought I lost the other one months ago and it recently saved me when my plc programmer running Windows 10 with much newer hardware refused to bring the old one online by loading the driver. This new one was recognized by win10 immediately, set my port in the device manager and everything worked. Beautiful.

Enfin un cable RS232 qui fonctionne bien

Inside the Box have Cable and Driver installation Disk, and tested and working fine.

Kargo söylendiği hızda geldi

Das Kabel ist vollkommen in Ordnung und funktioniert zuverlässig. Die Verarbeitung wirkt solide, die Verbindung ist stabil und es erfüllt seinen Zweck ohne Probleme. Von uns gibt es volle Sterne.

Es compatible con windows 10, el cable es muy flexible y de buena calidad. Perfecto para utilizarlo en una lap-top o una pc de escritorio que no cuente con el puerto serial.