








🔗 Bridge the old and new—connect with confidence!
The UGREEN USB to RS232 DB9 Serial Adapter is a 2-meter cable designed to connect USB-enabled devices to serial RS232 DB9 ports. Featuring a 1Mbps data transfer rate, triple shielding, and tinned copper conductors, it ensures reliable and interference-free communication. Powered directly via USB with no external adapter needed, it supports a wide range of professional equipment including Cisco routers, Celestron telescopes, and Crestron products, making it an essential tool for IT managers and tech professionals bridging legacy and modern hardware.





| Brand | UGREEN |
| Product Dimensions | 200 x 2 x 3 cm; 120 g |
| Item model number | 20222 |
| Manufacturer | Ugreen Group Limited |
| Colour | grey |
| Voltage | 5 Volts |
| Are Batteries Included | No |
| Item Weight | 120 g |
| Guaranteed software updates until | unknown |
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