The UGREEN 20201 is a 1.5m USB 2.0 Type-A to DB9 RS-232 adapter cable designed to connect modern USB-equipped computers with compatible legacy serial equipment. It features a USB-A male connector and DB9 female RS-232 connector, with an integrated Prolific PL2303 chipset handling USB-to-serial conversion. UGREEN specifies serial data transfer rates of up to 1Mbps, along with automatic handshake, remote wake-up and power-management support. The adapter can create a virtual COM/serial port on a supported computer, making it suitable for compatible POS equipment, barcode scanners, routers, GPS devices, serial modems and industrial hardware.
Shipping and Returns
We offer fast and reliable shipping for all our items. Orders are processed within 1-2 business days and shipped via standard delivery, which typically takes 3-5 business days.
For any questions regarding your order, please contact our customer service team for assistance.
Refund & Replacement Policy
Returns are only accepted in rare cases with double shipping charges, and only if the product is sealed.
Opened or preference-based returns are not allowed.
Please report any damaged, defective, dead-on-arrival, or incorrect product within 72 hours with an uncut unboxing video for replacement.
Refunds are processed after verification, and if a replacement is unavailable, a full refund will be issued.
Refunds are processed after verification, and if a replacement is unavailable, a full refund will be issued.