The ATEN z Tek USB To Rs232 driver allows Windows to communicate with the adapter and use its RS-232 serial connection. If you connect a compatible serial printer through this adapter, the driver provides the communication link between your computer and the printer; separate printer software may still be required.

Key Features

• USB-to-serial communication: Enables software to access an RS-232 device through a USB connection.
• COM port access: Makes the adapter available as a serial port that you can select in compatible printing software or device utilities.
• Configurable serial settings: Allows supported communication settings, such as baud rate, parity, and flow control, to be matched to the connected equipment.
• Windows driver options: Choose a package that explicitly supports your adapter revision and your version of Windows 11, 10, 8, or 7.

How to Install

1. Confirm the adapter identity. Check the model information on the ATEN z Tek USB To Rs232 adapter. If Windows shows it as an unknown device, open Device Manager and check Properties > Details > Hardware Ids to help identify the correct driver.

1. Select a matching download. Verify that the driver supports your hardware and Windows version, including the required system architecture. Do not assume that every ATEN USB-to-serial driver works with this adapter.

1. Run the installer or update manually. Extract the download if necessary, then follow the included installation instructions. If there is no installer, use Device Manager, right-click the adapter, choose Update driver, and browse to the extracted driver folder. Connect the adapter when prompted.

1. Check the assigned port. Once installation finishes, look under Ports (COM & LPT) in Device Manager. Note the adapter’s COM port number and check that no warning symbol appears. Restart Windows if the installer requests it.

1. Configure and test the connection. Select that COM port in your printer software or serial utility. Match the communication settings to the printer’s documentation, then perform a test. If communication fails, check the RS-232 cable type, printer power, and port selection before reinstalling the driver.

Common Issues and Fixes

• Install fails (Code 10/52 or unsigned-driver error): Run the installer as administrator, use the ATEN-signed package for your Windows version, and follow ATEN’s instructions if driver signature enforcement must be temporarily disabled.
• Device not detected/no COM port: Try another USB port and cable, check Device Manager for “Unknown device,” then uninstall the entry, rescan hardware, and reinstall. Confirm it appears under Ports (COM & LPT).
• Version conflicts/COM port won’t open: Remove older ATEN/Prolific USB-serial drivers and driver packages, reboot, install the current ATEN driver, then assign a free COM port. Close any software holding the port.