---
product_id: 40746912
title: "DB9 RS232 Female to RJ45 Female Adapter COM Port to LAN Ethernet Port Converter"
brand: "lm yn"
price: "446034₫"
currency: VND
in_stock: true
reviews_count: 6
category: "Lm Yn"
url: https://www.desertcart.vn/products/40746912-db9-rs232-female-to-rj45-female-adapter-com-port-to
store_origin: VN
region: Vietnam
---

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

**Brand:** lm yn
**Price:** 446034₫
**Availability:** ✅ In Stock

## Summary

> 🔌 Connect the past to the future with flawless precision!

## 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?** 446034₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/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

- • **Plug & Play Simplicity:** Compact, lightweight design with integral injection molding ensures hassle-free installation and durability.
- • **Versatile Compatibility:** Perfect for desktop PCs, digital machine tools, PDAs, and barcode scanners—future-proof your serial connections.
- • **Engineered for Precision:** Tested over 10,000 times to guarantee zero signal degradation and consistent performance.
- • **Built to Last, Built to Perform:** Premium alloy interface reduces signal loss and resists corrosion for rock-solid, all-day reliability.
- • **Seamless Serial-to-Ethernet Bridge:** Effortlessly connect legacy DB9 devices to modern RJ45 LAN networks without a hitch.

## Overview

The DB9 RS232 Female to RJ45 Female Adapter by LM YN is a compact, durable converter designed to seamlessly link traditional DB9 serial devices to modern Ethernet networks. Featuring a corrosion-resistant alloy interface and tested for over 10,000 plug cycles, it ensures stable, loss-free data transmission. Ideal for professionals needing reliable connectivity for desktop computers, digital tools, and barcode systems, this adapter combines rugged build quality with effortless plug-and-play functionality.

## 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 | #728 in Cable Gender Changers |
| Brand | LM YN |
| Color | Black |
| Compatible Devices | Desktop |
| Connector Type | RJ45 |
| Customer Reviews | 4.3 out of 5 stars 58 Reviews |
| Finish | Metallic |
| Finish Type | Metallic |
| Item Dimensions | 4 x 1.9 x 0.8 inches |
| Item Type Name | DB9 RS232 Female to RJ45 Female |
| Item Weight | 0.04 Pounds |
| Item dimensions L x W x H | 4 x 1.9 x 0.8 inches |
| Manufacturer | LM YN |
| Model Number | 8541674387 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| UPC | 603983633366 |
| Unit Count | 1.0 Count |

## 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/71IGhu798BL.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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-04*