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

The new upgrade, compatible with all standard DB9 serial devices, all day continuous work, stable and reliable performance.

LMYN

Item #: 4833283

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

Item #: 4833283

€ 13

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The new upgrade, compatible with all standard DB9 serial devices, all day continuous work, stable and reliable performance.

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What Stands Out

Versatile Connectivity

Easily convert DB9 RS232 COM Male connections to RJ45 Female, facilitating seamless integration of serial devices into Ethernet networks without additional complicated setups.

High Compatibility

Supports CAT5 and CAT6 Ethernet cables, ensuring reliable and high-speed data transfer for various applications while addressing compatibility issues with different device interfaces.

Simple Installation

User-friendly design allows for quick and straightforward installation, making it ideal for both professionals and DIY users looking to expand their network capabilities effortlessly.

Product Details

Item Weight

0.5 lbs (230 grams)

Who Should Buy?

Industrial Equipment
Ideal for connecting RS232 devices in industrial settings to a network, enhancing communication capabilities.
Networking Professionals
Perfect for IT professionals needing to integrate legacy serial devices with modern networking infrastructure.
Home Automation
Useful in home automation setups that utilize RS232 serial communication for controlling various devices.

Casual Users
Not suitable for casual users without technical expertise in configuring serial connections and networking.

Product Description

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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Product Buying Guide

Thank you for considering the LM YN DB9 RS232 COM Male Port to RJ45 Female Connector Card. This buying guide will provide you with all the information you need to make an informed decision about this product. Whether you need to connect DB9 serial devices to your desktop computer, digital machine tools, or other devices, this adapter is designed to meet your needs. Its high-quality construction and compatibility make it a reliable choice. Read on to learn more about the specifications, key features, usage scenarios, competitor analysis, user reviews, price analysis, buying considerations, and conclusion. Continue Reading

Customer Questions & Answers

Question: What is the purpose of a DB9 RS232 COM Male Port to RJ45 Female Connector?

Answer: The DB9 RS232 COM Male Port to RJ45 Female Connector serves as an adapter that allows you to extend serial connections using Ethernet cables. This is particularly useful for connecting devices that utilize RS232 serial ports to networks where a LAN or Ethernet connection is available, facilitating communication over longer distances without losing signal quality.
Question: What types of devices can I connect using this adapter?

Answer: You can connect a variety of devices, including legacy hardware like industrial equipment, printers, or POS systems that have a DB9 serial port to modern networking systems using CAT5 or CAT6 cables. This provides a flexible solution for integrating older technology into contemporary network environments.
Question: Are there any specific cable requirements for this adapter?

Answer: Yes, this adapter is designed to work with CAT5 or CAT6 Ethernet cables. These cables provide the necessary bandwidth and signal integrity for effective data transmission. Using high-quality Ethernet cables ensures that connection reliability and performance are maximized, particularly in setups where data transfer rates are critical.
Question: Can this adapter be used for networking applications?

Answer: Absolutely! The DB9 to RJ45 adapter extends serial communication over a network, making it suitable for various networking applications. It allows devices that communicate via RS232 serial ports to connect to networked systems, enabling remote management and monitoring in industrial automation and IT environments.
Question: Is this adapter compatible with both Windows and Linux systems?

Answer: Yes, the DB9 RS232 COM Male Port to RJ45 Female Connector is generally compatible with various operating systems, including Windows and Linux. As the adapter works at the hardware level, it can facilitate communication between devices across different platforms, allowing for versatile integration in diverse setups.
Question: What distances can I cover using this adapter?

Answer: Using this adapter with CAT5 or CAT6 cables allows you to cover distances up to 100 meters without significant signal degradation. This is particularly advantageous in larger settings, such as manufacturing plants or warehouses, where you might need to connect devices that are far apart without losing connection quality.
Question: Can I use this adapter for serial communication when bridging to IP networks?

Answer: Yes, this adapter can serve as a bridge, allowing serial ports on devices to communicate over IP networks. This can be essential in scenarios like remote monitoring or controlling devices that traditionally rely on serial communication, effectively integrating them into modern IP-based environments.
Question: How does this adapter help in industrial automation?

Answer: This adapter significantly aids in industrial automation by facilitating the connection of RS232 devices to Ethernet networks. It allows for remote monitoring and control of equipment, ensuring more efficient operations and better data collection and analysis as part of an integrated building management or manufacturing system.
Question: Is there any power supply required for this adapter?

Answer: No, the DB9 to RJ45 adapter does not require an external power supply as it relies on the existing power source of the connected devices. This simplifies the installation process, allowing for a more seamless integration into existing setups without additional electrical requirements.
Question: Where can I buy the DB9 RS232 COM Male Port to RJ45 Female Connector?

Answer: You can purchase the DB9 RS232 COM Male Port to RJ45 Female Connector Card from Ubuy in Ireland. Ubuy offers a wide selection of electronic accessories, making it easy for you to find and buy the products you need for your specific applications.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

€ 13

Order now and get it around Saturday, July 25

QTY:

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Features & Benefits

Compatible with all standard DB9 serial devices
All day continuous work
Stable and reliable performance

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

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