---
product_id: 40746912
title: "DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter"
brand: "lm yn"
price: "R$132"
currency: BRL
in_stock: true
reviews_count: 6
category: "Lm Yn"
url: https://www.desertcart.com.br/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to
store_origin: BR
region: Brazil
---

# Universal DB9 compatibility 10,000+ nondestructive plug cycles Super-thick alloy for signal integrity DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter

**Brand:** lm yn
**Price:** R$132
**Availability:** ✅ In Stock

## Summary

> 🔌 Connect the past to the future—without missing a beat!

## 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?** R$132 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/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

- • **Compact Powerhouse Design:** Sleek, lightweight PVC shell with integral injection molding for durability in any professional environment.
- • **Future-Proof Your Workflow:** Supports up to 20 meters with UTP or CAT6 cables—perfect for desktop setups, digital tools, and barcode systems.
- • **Plug & Play with Confidence:** Tested to T-568B wiring standards for flawless pin alignment and hassle-free installation.
- • **Seamless Serial-to-Ethernet Bridge:** Effortlessly connect legacy DB9 serial devices to modern RJ45 LAN networks without signal loss.
- • **Built to Last, Built for Reliability:** Premium alloy interface resists oxidation, corrosion, and wear—ensuring stable, all-day continuous performance.

## Overview

The DB9 RS232 Female to RJ45 Female Adapter is a robust, precision-engineered converter that enables seamless communication between traditional DB9 serial devices and modern Ethernet networks. Featuring a corrosion-resistant alloy interface and durable PVC housing, it supports continuous operation with minimal signal loss and over 10,000 plug cycles. Ideal for professionals integrating legacy hardware into contemporary LAN environments, this compact adapter ensures reliable, plug-and-play connectivity up to 20 meters using standard UTP or CAT6 cables.

## 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 .

Review: Good serial adapter - 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.
Review: Tested the pinout and it works - 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.

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01N8VEG7G |
| Best Sellers Rank | #740 in Cable Gender Changers |
| Customer Reviews | 4.3 4.3 out of 5 stars (58) |
| Date First Available | November 14, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.64 ounces |
| Item model number | 8541674387 |
| Manufacturer | LM YN |
| Product Dimensions | 4 x 1.9 x 0.8 inches |

## Product Details

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

## Images

![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 1](https://m.media-amazon.com/images/I/61Xzp6uIaCL.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/715yDXetElL.jpg)
![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 4](https://m.media-amazon.com/images/I/71IGhu798BL.jpg)
![DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter - Image 5](https://m.media-amazon.com/images/I/71PT6K-Bh3L.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.com.br/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to](https://www.desertcart.com.br/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-28*