---
product_id: 267695408
title: "Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible"
brand: "gearmo"
price: "€ 59.24"
currency: EUR
in_stock: true
reviews_count: 2
url: https://www.desertcart.ie/products/267695408-gearmo-4-port-rs-232-to-usb-adapter-with-led
store_origin: IE
region: Ireland
---

# Dual-color RX/TX status LEDs for instant diagnostics 4 RS232 ports for multi-device connectivity FTDI chipset with automatic handshake support Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible

**Brand:** gearmo
**Price:** € 59.24
**Availability:** ✅ In Stock

## Summary

> 🔗 Legacy Meets Modern: Connect Smarter, Work Faster

## Quick Answers

- **What is this?** Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible by gearmo
- **How much does it cost?** € 59.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/267695408-gearmo-4-port-rs-232-to-usb-adapter-with-led)

## Best For

- gearmo enthusiasts

## Why This Product

- Trusted gearmo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quad-Port Powerhouse:** Connect and control up to 4 legacy RS232 devices simultaneously with seamless USB integration.
- • **Instant Status Insight:** Dual-color RX/TX LEDs provide real-time communication feedback—never guess your connection status again.
- • **Plug & Play Simplicity:** Effortless installation with COM port retention and no external power needed—get up and running in seconds.
- • **Cross-Platform Compatibility:** Works flawlessly across Windows 7 to 11, Linux, and MacOS 10.x—future-proof your workflow.
- • **Trusted American Engineering:** Backed by 20+ years of Gearmo’s industry-leading reliability and precision craftsmanship.

## Overview

The Gearmo 4 Port RS232 to USB Adapter features an advanced FTDI chipset supporting automatic handshaking and full RS232 protocol compatibility. Designed for professionals managing legacy serial devices, it offers plug-and-play USB connectivity with dual-color RX/TX LEDs for easy diagnostics. Compatible with Windows, Linux, and MacOS, this compact, power-free adapter ensures robust, multi-device serial communication backed by over 20 years of trusted American engineering.

## Description

Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible

## Features

- MULTI-USE FUNCTIONALITY - Quad Port Serial Adapter with FTDI Chipset, that supports an automatic handshake. Supports full RS232 Handshaking
- COMPATIBILITY - Supported OS platforms are Windows 11, 10, 8, 7, as well as Linux and MacOS 10.X
- EASY INSTALLATION - This serial adapter lets you enjoy simple installation and operation with COM port retention that provides robust serial connectivity for legacy devices. With no power supply needed, easy plug and play USB interface options.
- EASY TEST - Easy test RS-232 host to device link. With a full LED, dual color display, tester output. This will make testing your connections with ease.
- WHY Gearmo? Your Trusted Partner based in the USA, Providing Advanced Engineering, Highly Reliable and Superior Built Products to handle the most demanding industries for over 20 years. Reach out to us for CAD, Mechanical Drawings and, Data Sheets.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Standing screen display size | 2 Inches |
| Brand | Gearmo |
| Item model number | GM-FTDI4X-LED |
| Item Weight | 0.634 ounces |
| Color | Black |
| Manufacturer | Gearmo |
| ASIN | B08P24ZQ1B |
| Is Discontinued By Manufacturer | No |
| Date First Available | November 23, 2020 |

## Product Details

- **Compatible Devices:** Devices with RS-232 DB9 female serial ports such as printers, modems, CNS machines, PLCs, radios, etc.
- **Specific Uses For Product:** Connecting legacy serial devices to host systems.
- **Connector Type:** DB9 RS-232
- **Color:** Black
- **Brand:** Gearmo

## Images

![Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible - Image 1](https://m.media-amazon.com/images/I/81oXYvAn1HL.jpg)

## Questions & Answers

**Q: Does this work with 232, 485 & 422?**
A: This product is RS232 only.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice usb to 4 serial port adapter
*by D***S on January 3, 2023*

The device was easy to install. Started using it in just a couple minutes. I would buy another one if I need more ports.

### ⭐⭐⭐⭐⭐ It works great.
*by F***R on February 16, 2022*

It also works great with linux operating system.

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**Shop now:** [https://www.desertcart.ie/products/267695408-gearmo-4-port-rs-232-to-usb-adapter-with-led](https://www.desertcart.ie/products/267695408-gearmo-4-port-rs-232-to-usb-adapter-with-led)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-10*