---
product_id: 40746912
title: "DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter"
brand: "lm yn"
price: "€ 13.23"
currency: EUR
in_stock: true
reviews_count: 6
url: https://www.desertcart.fr/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to
store_origin: FR
region: France
---

# Universal DB9 RS232 compatibility Eco-friendly, wear-resistant PVC casing Durable alloy interface for signal integrity DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter

**Brand:** lm yn
**Price:** € 13.23
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect the past to the future with rock-solid reliability!

## Quick Answers

- **What is this?** DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter by lm yn
- **How much does it cost?** € 13.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to)

## Best For

- lm yn enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Super-thick alloy interface ensures minimal signal loss and maximum corrosion resistance.
- • **Endurance Tested:** Over 10,000 nondestructive plug cycles for reliable, all-day continuous use.
- • **Eco-Conscious Design:** Crafted from high-quality, environmentally friendly PVC with integral injection molding for superior durability.
- • **Versatile Compatibility:** Works flawlessly with desktop PCs, digital machine tools, PDAs, and barcode scanners.
- • **Seamless Serial to Ethernet Bridge:** Effortlessly connect legacy DB9 devices to modern LAN networks.

## Overview

The DB9 RS232 Female to RJ45 Female Adapter converts traditional serial COM ports to LAN Ethernet connections, featuring a robust alloy interface that minimizes signal loss and resists corrosion. Designed for continuous, reliable operation with over 10,000 plug cycles tested, it supports a wide range of DB9 serial devices and is encased in durable, eco-friendly PVC for long-lasting performance.

## Description

Product Name: DB9 Fmale to RJ45 Adapter. Applications: desktop computer, digital machine tools, PDA, bar code and other DB9 serial devices. Colour: Black. Shell material: PVC material. Size: 26 * 22 * 57mm / 1.03 * 0.81 * 2.25in (L * W * H). Weight: 38.5g / 1.36oz. Instructions for use: 1. For this adapter, use UTP or CAT6. 2. When using the Extender, it is recommended to use it within 20 meters. Uses: 1. The serial interface transmits BD9 signals through the network cable. 2. Cable wiring is completed, can not use the DB9 line of renovation works. 3. Engineering decoration company wiring scheme. 4. This adapter can be transferred to DB9 serial port, DB9 interface for the host computer or a variety of displays, network cable were connected to the two adapter cable network interface. Package Included: 1*DB9 Female to RJ45 Adapter RJ45 port to DB9 hole Serial port to the network port crystal head   If you for any reason are not happy with any product supplied , please do not hesitate to contact us and we will do our best to solve your problem .

## Features

- The new upgrade, compatible with all standard DB9 serial devices, all day continuous work, stable and reliable performance.
- Interface with super-thick alloy, reducing the transmission impedance, reduce signal loss, oxidation resistance, corrosion resistance, wear resistance, 10,000 nondestructive testing plug.
- Applications: desktop computer, digital machine tools, PDA, bar code and other DB9 serial devices.
- High-quality environmentally friendly PVC material, super wear-resistant, Integral injection molding.
- DB9 RS232 Male Port to RJ45 Female　：　https://www.desertcart.com/dp/B01N91YKVF

## Product Details

- **Compatible Devices:** Desktop
- **Connector Type:** RJ45
- **Color:** Black
- **Item dimensions L x W x H:** 4 x 1.9 x 0.8 inches
- **Brand:** LM YN

## Images

![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 1](https://m.media-amazon.com/images/I/71IGhu798BL.jpg)
![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 2](https://m.media-amazon.com/images/I/61iQ2SGB+TL.jpg)
![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 3](https://m.media-amazon.com/images/I/61Xzp6uIaCL.jpg)
![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 4](https://m.media-amazon.com/images/I/81zpI-OJwGL.jpg)
![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 5](https://m.media-amazon.com/images/I/715yDXetElL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good serial adapter
*by K***Y on August 14, 2023*

This adapter allows you to connect your serial devices with a DB9 male jack to a LAN ethernet connection using an RJ45 plug. Great quality. 5 stars.

### ⭐⭐⭐⭐⭐ Tested the pinout and it works
*by A***R on February 11, 2019*

This adapter works. I tested the pins with to the pin out provided on this page and the pins all matched with the color coded wires with the T-568B RJ45 standard.

### ⭐⭐⭐⭐⭐ Works well and quality seems good
*by P***N on December 27, 2019*

Tested and works/wired as advertised at 9600 baud

## Frequently Bought Together

- LM YN DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter
- LM YN DB9 RS232 COM Male Port to RJ45 Female Connector Card DB9 Serial Port Extender to LAN CAT5 CAT6 RJ45 Network Ethernet Cable Adapter

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**Shop now:** [https://www.desertcart.fr/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to](https://www.desertcart.fr/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-23*