Gearmo - 4-Port USB to RS-232 Serial Adapter with FTDI Chipset, LEDs, Includes Mounting Brackets - Black

'This 8-Port Industrial RS-232 DB9 Adapter connects to your laptop or desktop through a single USB port, adding eight fully addressable serial COM ports. Each port is easy to configure in your system’s device manager, making setup simple. Built into a rugged metal chassis, this adapter is made for demanding environments like labs, warehouses, automation systems, and heavy machinery. It operates in a self-powered mode by default, with the option for variable voltage input from 9V-48V DC when pass-through power is needed. LED indicators for power, RX, and TX keep you informed at a glance, and the included surface and DIN rail mounting brackets allow you to install it right where it''s needed.'

The 1-Port USB to Serial RS-232 Adapter is a compact, rugged solution for adding a reliable COM port to modern computers and devices. Built with a durable metal housing and the trusted FTDI chipset, it ensures stable performance across Windows, macOS, and Linux systems. Supporting baud rates up to 921.6 Kbps, automatic handshake, and consistent COM port retention, it’s ideal for GPS, printers, modems, CNC machines, PLCs, and other industrial equipment. Designed for flexible installation, the hub includes DIN-rail clips and surface mounting flanges, while built-in 25kV ESD and 600W surge protection keep connected devices safe. With LED indicators for real-time monitoring and plug-and-play convenience powered directly from your computer’s USB port, this hub delivers dependable serial connectivity for demanding environments.

This 4-Port Serial Adapter with high-quality FTDI chipset lets you instantly add four reliable RS-232 serial ports to your computer. Each port is protected by built-in 15kV surge and static protection to safeguard your data and devices. Designed for smooth plug & play installation, it requires no external power or manual configuration. The adapter supports high-speed data transfers up to 921.6kbps and works seamlessly with Windows 7 through 11, macOS, and Linux. Ideal for connecting everything from printers and scanners to CNC machines, PLC controllers, modems, and other serial peripherals.