Windows 7 will detect and pop up a wizard to install drivers when our is plugged in, but it’s also easy (as essential on other operating systems) to install the driver software first. Get the driver from: You’ll want to download the driver and unzip it anywhere on your desktop. USB to serial drivers for most serial RS232 devices. Download drivers for most types of USB to serial adapters and converters. 2 Port USB to RS232 Serial DB9 Adapter Cable. Add 2 serial RS-232 ports to any laptop. Drivers & Downloads. Expand Universal Serial Bus controllers. Once you have, double click on it to start the installation. The installation is relatively simple and no questions are asked. When it’s done you should see something like this: Now go ahead and connect the adapter. You should get a pop-up looking like this: Finally Windows should report that the device has been installed: On Device Manager you should be looking at something like this: • Now, If you want to change the COM port assignment, here’s. Hi Norman, Because the USB serial adapters work with a wide range of legacy equipment they often require some configuration in order to work. Are you using Plugable adapters? If so, please contact us. I’ll be happy to help with it. If you are using another brand, check in device manager for the Ports (COM & LPT) listing shown in the blog post above. If you installed the correct driver, and it’s not showing up there, it is possible your adapters have a counterfeit chip. Prolific has specifically written its drivers to check for a genuine chip and not work if the chip is fake. If you are sure the chip is genuine, and its not showing up in Device Manager for both adapters, it’s likely a software issue. If it is showing up in Device Manager, but not connecting to your computer, please make sure the COM port shown in Device Manager is set in the software you are using to communicate with your device and that you have the correct type cable (Null Modem or Straight) for your device and that the Port settings are correct. I hope this helps, David Plugable Support • ray-an. Hi Ajay, Thank you for posting. Are you using the Plugable USB-Serial adapter? If so, please contact us. ![]() If it isn’t a Plugable serial adapter, it is difficult to troubleshoot, since many non-Plugable adapters have counterfeit chips in them and don’t work with the Prolific drivers. A few pointers though: 1. Go to Device Manager > Ports(Serial & LPT) and check which COM port the Prolific serial adapter is using. Make sure that port is set in the software you are using to communicate with your peripheral device. Make sure you are using the right cable for your application. Some devices, like Cisco routers, only work with the cable supplied by their maker. Other devices require a Null Modem cable, which connects send on each side to Receive on the other side. You can usually find out which to use by consulting the manual for your device. Make sure the port settings are correct. You can change these by double-clicking the USB-Serial adapter in Device manager, then selecting Port Settings from the Properties window that will open. I hope this helps. David Plugable Support • Jagadeesh. The Prolific usb to serial driver download link from here: PL2303SA is a low cost and high performance USB-to-Serial Bridge Controller. Latest Version Supports: Windows 10/7/8/8.1/ XP/Vista 64/32 Bit The PL2303SA provides a convenient small-factor solution for connecting an RS232-like full-duplex asynchronous serial device (TX-RX only) to any USB host. Prolific provides highly compatible drivers that could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port (using TX-RX only) to easily migrate and be made USB ready. By taking advantage of USB bulk transfer mode and large data buffers, PL2303SA is capable of achieving higher throughput compared to traditional UART (Universal Asynchronous Receiver Transmitter) ports. The flexible baud rate generator of PL2303SA also could be programmed to generate any rate between 75 bps to 115 kbps by driver customization. Manufacturer: Sabrent Hardware Type: USB Model: USB 2.0 To Serial (9-Pin) DB-9 Rs-232 Adapter Compatibility: Windows XP, Vista, 7, 8, 10 Downloads: 67,628,222 Download Size: 3.4 MB Database Update: Available Using DriverDoc: This page contains information about installing the latest Sabrent USB 2.0 To Serial (9-Pin) DB-9 Rs-232 Adapter driver downloads using the. Sabrent USB 2.0 To Serial (9-Pin) DB-9 Rs-232 Adapter drivers are tiny programs that enable your USB hardware to communicate with your operating system software. Maintaining updated Sabrent USB 2.0 To Serial (9-Pin) DB-9 Rs-232 Adapter software prevents crashes and maximizes hardware and system performance. Using outdated or corrupt Sabrent USB 2.0 To Serial (9-Pin) DB-9 Rs-232 Adapter drivers can cause system errors, crashes, and cause your computer or hardware to fail. Furthermore, installing the wrong Sabrent drivers can make these problems even worse. Recommendation: If you are inexperienced with updating Sabrent device drivers manually, we highly recommend downloading the.
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