buy USB Cable Startech 1P1FFCN-USB-SERIAL Black 30 cm . The Startech 1P1FFCN-USB-SERIAL USB to Serial Adapter is a USB cable designed to provide RS-232 connectivity via a USB Type-A port, ideal for adding a null modem serial port to laptops and desktops. This compact accessory, with a 30 cm cable length and black color, features a female DB9 connector that allows direct connection to devices with classic serial interfaces without the need for adapters or crossover cables. Its robust design includes gold-plated connectors that enhance conductivity and copper shielding to minimize electromagnetic and radio frequency interference, ensuring stable and reliable signal transmission. It is equipped with LED indicators that monitor real-time data transmission and reception activity, plus an LED that signals correct device enumeration in the system. This adapter stands out for its multiplatform compatibility, working with Windows (7 and later), MacOS (10.15 or higher), ChromeOS, and Linux, with automatic driver installation on most systems. The COM retention feature automatically reassigns the serial port after reconnection or reboot, preventing conflicts and easing hardware management. Additionally, its level 4 ESD protection offers resistance against electrostatic discharges, enhancing durability in professional environments. In short, the 1P1FFCN-USB-SERIAL model from Startech provides a practical and efficient solution to expand any computer’s serial connectivity, optimizing integration with serial equipment and peripherals without hassle or extra components. Type: female plugMale PlugColour: BlackConnections: DB9Compatible: LinuxCable length: 30 cmForm factor: Straight