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This USB to RS232 DB9 serial adapter cable adopts gold-plated interface contacts to effectively prevent oxidation and reduce signal loss, maintaining stable serial communication performance. Designed with USB A Male to D-SUB 9-Pin Male port, the 1.5-meter cable meets daily wiring and equipment layout needs. It supports mainstream operating systems including Windows 11, 10, 8.1, 8, 7, Vista, XP and Mac OS with easy driver installation. Suitable for connecting industrial PLC, POS terminals, barcode scanners, serial printers and other RS232 standard devices, ideal for industrial control, device debugging and serial data transmission.