USB to RS232 DB9 Serial Adapter Cable.

This plug-and-play converter adds a fully functional RS-232 serial (COM) port to any computer with a USB port, making it ideal for industrial automation, point-of-sale systems, networking equipment, legacy peripherals, and more.

Designed for versatility, it supports true bidirectional communication, full-speed USB 1.1 data transfer (12Mbps), and is compatible with a wide range of operating systems including Windows, Mac OS, and Linux. No external power adapter required—this cable draws power directly from your USB port, offering convenient and portable serial connectivity.

Key Features

✅ Plug & Play Installation
Easy to install with no drivers needed for most systems. Simply plug into a USB port—no external power supply required.

✅ USB to DB9 RS-232 Converter
Converts a USB port into a standard 9-pin DB9 serial port, allowing easy connection to serial devices such as modems, routers, barcode scanners, GPS units, and industrial machines.

✅ Full-Speed USB (12Mbps)
Complies with USB 1.1 specification, supporting data rates over 12 Mbps for fast, stable communication.

✅ True Bidirectional Communication
Supports full-duplex data transmission for consistent two-way communication between your PC and the connected serial device.

✅ Advanced Features
Supports remote wake-up, power management, default ROM or external EEPROM for custom device configuration, and retains COM port settings in non-volatile memory.

✅ Wide OS Compatibility
Works seamlessly with:

• Windows 98SE/ME/2000/XP/Vista/7/8/10/11

• Mac OS 8.6 through 10.11 (El Capitan)

• Linux

• Android (with OTG support)
  (Not compatible with ARM-based Windows devices like Microsoft Surface)

Applications

✅ Connect legacy serial peripherals (modems, industrial equipment, etc.) to USB-only computers

✅ Interface with networking devices via console ports

✅ POS systems, industrial automation, CNC machines

✅ Serial communication software and terminal emulators

✅ Embedded development and debugging tools

Why Choose This Adapter?

✅ Durable, high-quality construction for reliable long-term use

✅ Compact and portable design — perfect for IT professionals and field technicians

✅ Retains COM port assignment after reconnecting

Conclusion:

This USB to Serial DB9 Adapter with Cable offers a simple yet powerful solution for anyone who needs to connect older serial devices to their modern computers. It’s durable, easy to use, and highly reliable, making it a perfect addition to your computer accessories, whether for work, business, or personal projects.

Upgrade your setup with the USB to Serial DB9 Adapter and experience flawless, uninterrupted connections!