The 4-Port USB to Serial RS-232 Adapter is a compact, rugged solution for adding reliable COM ports 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 15kV 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.
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The 4-Port USB to Serial RS-232 Adapter is a compact, rugged solution for adding reliable COM ports 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 15kV 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.

The USA-FTDI-8 USB to RS232 8 Inch Serial Adapter is a simple, reliable way to add a COM port to your computer for GPS, modems, printers, scanners, digital cameras, and other RS232-based devices. Built with an FTDI chipset, it delivers stable performance and fast communication. The plug-and-play design requires no IRQ, DMA, or I/O resources, allowing hassle-free installation and eliminating conflicts when connecting multiple devices. Powered directly by USB, this adapter provides TX/RX and GND signals without the need for external power. With Windows 11, macOS, and Linux compatibility, plus a compact 8 inch cable length, it’s a versatile solution for expanding serial connectivity with ease.

This Insignia NS-PU99501 cable allows you to connect a device with an RS-232 (DB9) serial port to a USB hub or USB-equipped PC or Mac and supports data transfer rates of more than 115 Kbps for rapid performance.

The USA-FTDI-A12 12 Inch USB to RS232 Serial Adapter with FTDI chipset is a portable and dependable solution for adding a serial port to modern computers. Compact yet powerful, it’s perfect for CNC machines, PLCs, radios, modems, printers, scanners, and other industrial serial devices. Built with Power, TX, and RX LED indicators, it gives you real-time connection feedback while supporting baud rates from 300bps to 460Kbps with automatic detection for smooth communication. Its plug-and-play design requires no external power supply, IRQs, or configuration conflicts, making setup effortless. Fully compliant with USB 1.1 and 2.0, this adapter delivers zero-delay automatic transmission and stable performance across Windows, macOS, and Linux systems. With its portable 12-inch cable and trusted FTDI chipset, it’s a reliable choice for your legacy serial connectivity needs.
| Pros for Gearmo - 4-Port USB to RS-232 Serial Adapter with FTDI Chipset, LEDs, Includes Mounting Brackets - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Overall Performance, Compatibility, USB, Ease of use, Price | There were no pros for this product— |
| Cons for Gearmo - 4-Port USB to RS-232 Serial Adapter with FTDI Chipset, LEDs, Includes Mounting Brackets - Black | |||
| There were no cons for this product— | There were no cons for this product— | Cable Length | There were no cons for this product— |