Set the USB to 232 serial port line used by the console port of router switch (tested with MS HyperTerminal, SecureCRT, and other configuration software). It can solve the problem of notebook and desktop computers without a 9-pin 232 serial port. It is mainly used to configure and use the console port of routers, switches, and other industrial control equipment. (suitable for standard devices; not intended for large industrial machines). It can also be used with barcode readers, telephones, mobile phones, digital cameras, modems, ISDN, and other terminal adapter communications. Features include good compatibility (unlike low-grade products on the market that may have device incompatibility issues, leading to difficulty or inability to use after purchase). Supports Windows 98, Windows ME, Windows 2000, Windows XP, and MacOS 8.6 or higher. Driver CD included. Supports USB 1.0 / 1.1 specification and is compatible with USB 2.0. Size: 0.6m Material: Plastic Color: Blue Package Contents: 1 x Data Cable Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.