Z-tek Usb To Serial Comm Port Driver Free Download !!top!! Jun 2026

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Virtual COM Port assignments are often tied to the specific physical USB port you plugged the cable into. Plugging the Z-tek cable into a different port might change your port from COM3 to COM5, breaking your software configuration.

Ideal for connecting console ports on switches, routers, and industrial equipment. Z-tek Usb To Serial Comm Port Driver Free Download

Programming PLCs (Programmable Logic Controllers) and CNC machinery.

Click .

Follow the on-screen prompts and click once the setup completes. Step 3: Verify the Comm Port Assignment Reconnect your Z-tek cable to the USB port. Open Device Manager again. Expand Ports (COM & LPT) . You should now see a clean entry:

Manually roll back:

Z-Tek is a manufacturer of USB-to-Serial (RS-232) adapter cables, commonly used to connect older serial devices (routers, scanners, PLCs, GPS receivers) to modern computers lacking a DB9 port. These adapters typically rely on chipsets from or Silicon Labs (CP210x) .

Z-tek does not always manufacture its own serial controller chips; instead, most Z-tek USB-to-Serial adapters use third-party chipsets. The required driver depends on the chip, not just the “Z-tek” brand. This public link is valid for 7 days

Found in standard Z-tek consumer cables. Older versions of these chips often face driver compatibility issues on modern Windows operating systems due to counterfeit protection mechanisms enforced by official Prolific drivers.