---
product_id: 729800120
title: "XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables)"
brand: "xmsjsiy"
price: "€ 44.02"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/729800120-xmsjsiy-db9-rs232-to-rj45-extender-db9-9-pin-serial
store_origin: NL
region: Netherlands
---

# Up to 100m data transmission DB9 to RJ45 seamless interface Alloy port reduces interference XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables)

**Brand:** xmsjsiy
**Price:** € 44.02
**Availability:** ✅ In Stock

## Summary

> 🔗 Bridge your legacy tech to modern networks effortlessly!

## Quick Answers

- **What is this?** XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables) by xmsjsiy
- **How much does it cost?** € 44.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/729800120-xmsjsiy-db9-rs232-to-rj45-extender-db9-9-pin-serial)

## Best For

- xmsjsiy enthusiasts

## Why This Product

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

## Key Features

- • **Durable, Premium Build:** High-quality alloy connectors and wear-resistant PVC ensure longevity and minimal signal interference.
- • **Plug & Play Convenience:** No external power needed—just connect and go for instant, stable serial-to-network data transmission.
- • **Universal Compatibility:** Works flawlessly with desktop PCs, digital machine tools, PDAs, and barcode scanners—future-proof your legacy devices.
- • **Dual Cable Set for Complete Solutions:** Includes 2 cables for paired use, covering all your extension needs with professional reliability.
- • **Effortless Long-Distance Connectivity:** Extend your RS232 serial signals up to 100 meters using standard Cat5/Cat6 cables—no signal drop, no hassle.

## Overview

The XMSJSIY DB9 RS232 to RJ45 Extender is a professional-grade adapter cable set designed to transmit RS232 serial data over Ethernet cables up to 100 meters. Featuring durable alloy connectors and wear-resistant PVC, it supports bi-directional data flow and is compatible with a wide range of serial devices, making it an essential tool for extending legacy serial connections in modern network environments.

## Description

DB9 Serial RS232 Port to RJ45 Cat5/Cat6 Adapter, Interface: DB9 Male to RJ45 Female, 9 Pin/8P8C This adapter uses a UTP Cat 5/ Cat6 cable to run RS232 data over long distances (up to 100m) to fill gaps. Compatible with desktop computers, digital machine tools, PDAs, barcodes and other standard DB9 serial devices

## Features

- DB9 to RJ45 adapter: used for TCP/IP network interface with serial port network function. Supports serial data and network data bi-directional transmission. Compatible with desktop computers, digital machine tools, PDAs, barcodes and other standard DB9 serial devices, stable and reliable performance. Supports up to 66 feet
- DB9 RS232 COM signal is transmitted through network cable. When using this adapter, it is recommended to use a distance of 1-15 meters. No external power supply, easy and convenient to use
- High quality alloy transmission port reduces transmission impedance and interference, environmentally friendly PVC material, very wear-resistant, integrated injection molding. Improve data transfer rates and quality of transfer
- Interface: DB9 male to RJ45 female, 9 pin/8P8C The adapter is long distances (up to 100 meters) and uses UTP Cat 5/Cat6 cable to run RS232 data to fill gaps
- Special Note: Generally, this product must be used in pairs. It needs to be used separately in three situations, especially female to female, male to female, male to male. Can be used alone

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Gender | Male-to-Male |
| Compatible Devices | Desktop Computer |
| Color Name | 2 Cables |
| Item Shape | Round |
| Finish Type | Alloy |
| Batteries Included | No |
| Batteries Required | No |
| Brand | XMSJSIY |
| Manufacturer | Sisselyan |
| Item Model Number | 755641611589 |
| Special Features | Braided, Data Transfer |
| Connectivity Technology | Ethernet |
| Material | PVC, Iron |
| Cable Type | Ethernet |
| Package Dimensions | 19.2 x 11.2 x 2.1 cm; 100 g |
| Item Weight | 0.1 Kilograms |

## Product Details

- **Brand:** XMSJSIY
- **Connector Type:** RJ45
- **Cable Type:** Ethernet
- **Compatible Devices:** Desktop Computer
- **Special Feature:** Braided, Data Transfer

## Images

![XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables) - Image 1](https://m.media-amazon.com/images/I/71UWmn5UQpL.jpg)
![XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables) - Image 2](https://m.media-amazon.com/images/I/71FDzlv4MOL.jpg)
![XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables) - Image 3](https://m.media-amazon.com/images/I/61J3s3RO8aL.jpg)
![XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9 Pin Serial Port Female & Male to RJ45 CAT5 CAT6 Ethernet LAN Extension Adapter Cable-2 Pcs (2 Cables) - Image 4](https://m.media-amazon.com/images/I/61w5pejmedL.jpg)

## Questions & Answers

**Q: What are these cables conventionally used for?**
A: i used it to extend the DB9 serial data over long run of cat5 it worked fine for me

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-22*