USB A to RS232 null modem serial adapter with FTDI FT232RL chipset delivers reliable 256 Kbps data transfer between laptops and DB9 female devices, perfect for programming, diagnostics and legacy integration
COM port retention remembers assigned port numbers for hassle-free reconnects; plug and play installation with native drivers on Windows 11/10/8/7, macOS, Linux, Chrome OS ensures setup with no IRQ or DMA conflicts
True null modem pinout supports direct device-to-device communication, eliminating extra crossover cables when linking routers, switches, firewalls, POS systems, CNC machines, PLCs, industrial sensors and console ports
Rugged 18 in USB to DB9 cable features gold-plated contacts, molded strain relief and flexible PVC jacket for dependable performance in labs, shop floors, server rooms, data centers and field service toolkits
Universal RS232 converter links legacy serial gear to modern computers for data acquisition, automation, coding and control; ideal for engineers, makers, IT staff, ham radio, lab instruments and retail POS