LFHUKEJI
0 ratings
RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter
genuine image
RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter
LFHUKEJI RJ45 to RS232,DB9 9-Pin Serial Port Female to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter
RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter
Item #: 35837826

RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter

Item #: 35837826

GBP 11

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Friday, August 28
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
LFHUKEJI RJ45 to RS232,DB9 9-Pin Serial Port Female to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Versatile Connectivity
Easily connect legacy RS232 devices to modern Ethernet networks, ensuring seamless communication and bridging the gap between different protocols.
Durable Design
Constructed with high-quality materials, this adapter provides long-lasting performance and reliability, reducing the need for frequent replacements.
Wide Compatibility
Compatible with a variety of devices, including serial printers and industrial equipment, making it an essential tool for diverse applications in various industries.

Product Details

Shop RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter online at a best price in Guernsey. B094YCFMNJ
Country of OriginThis item will be imported from US
Item Weight0.2 lbs (90 grams)
What is in the boxRS232 to RJ45, DB9... For more details, please check description/product details

Who Should Buy?

Suitable For
  • Tech Enthusiasts

    Ideal for hobbyists wanting to connect serial devices over long distances using Ethernet cables.

  • Network Administrators

    Great for IT professionals needing to extend serial connections without running new cables.

  • Industrial Applications

    Useful for connecting legacy equipment in manufacturing or automation environments using existing Ethernet infrastructure.

Not Suitable For
  • Home Users

    Not designed for casual users who may not need serial connections or complex setups at home.

Product Description

RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e/6 Ethernet LAN Extend Adapter

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is an RS232 to RJ45 adapter?

    Answer: An RS232 to RJ45 adapter is a device that converts serial communication from an RS232 interface into Ethernet communication (RJ45). This allows devices that use a DB9 serial port to connect via standard Ethernet cabling, making it easier to extend connections over long distances. Such adapters are commonly used in industrial settings where legacy RS232 devices need to interface with modern networking equipment.
  • Question: How does the DB9 9-Pin connection work with this adapter?

    Answer: The DB9 9-Pin connection consists of nine pins that facilitate serial communication for various devices. By using the RS232 to RJ45 adapter, users can seamlessly connect devices with DB9 ports to an Ethernet network without needing to alter their existing setups. This is particularly useful for legacy systems that require ongoing support within newer networking environments.
  • Question: Can this adapter be used for networking devices?

    Answer: Yes, the RS232 to RJ45 adapter can be used to connect devices such as printers, industrial equipment, and routers to a network. By converting the serial data to Ethernet, businesses can extend the reach of their serial devices and integrate them into modern network infrastructures, allowing centralized management and easy access.
  • Question: What cable types are compatible with this adapter?

    Answer: This adapter is designed to work with standard Cat5e or Cat6 Ethernet cables. These cables provide the necessary bandwidth and performance for reliable data transmission over longer distances. Choosing the right cable ensures that the performance of your RS232 devices is optimized without degradation of signal quality.
  • Question: Is this adapter suitable for outdoor use?

    Answer: Typically, RS232 to RJ45 adapters are intended for indoor environments. If you need to use it outdoors, ensure that it is housed in a protective enclosure to avoid damage from environmental conditions. This is essential for applications in outdoor industrial settings or where exposure to elements is possible.
  • Question: What are common applications for this adapter?

    Answer: Common applications for the RS232 to RJ45 adapter include connecting serial printers, CNC machines, and industrial control devices to an Ethernet network. This facilitates data collection and device control remotely, enhancing operational efficiency and allowing users to connect multiple devices without needing separate serial lines.
  • Question: Does this adapter require any drivers for installation?

    Answer: Most RS232 to RJ45 adapters are plug-and-play, meaning they do not require additional drivers for installation. Simply connect the adapter to the DB9 device and then to the Ethernet port. This ease of use makes it ideal for quick deployments, especially in environments where downtime needs to be minimized.
  • Question: What is the maximum distance I can transmit with this adapter?

    Answer: The maximum transmission distance using an RS232 to RJ45 adapter can vary, but typically Ethernet allows for longer distances than standard RS232 connections. You can usually transmit up to 100 meters (328 feet) using Cat5e or Cat6 cables. In industrial applications, this ensures connectivity over extensive areas without compromising performance.
  • Question: Can this adapter be used with embedded systems?

    Answer: Yes, the RS232 to RJ45 adapter is ideal for use with embedded systems, allowing them to communicate over a network. This can be particularly useful for developers working on IoT projects, as it enables integration of older serial devices with modern networking capabilities, enhancing functionality and flexibility.
  • Question: Where can I buy RS232 to RJ45, DB9 9-Pin Serial Port Male to RJ45 Female Cat5e6 Ethernet LAN Extend Adapter in Guernsey?

    Answer: You can purchase the RS232 to RJ45 adapter on Ubuy, which offers a wide selection of electronic components, including this specific adapter. Ubuy provides an easy purchasing experience and reliable customer support, ensuring you can find the right product to fit your needs while benefiting from additional resources and reviews.

LFHUKEJI Serial Adapters Editorial Review

The LFHUKEJI RJ45 to RS232,DB9 9-Pin Serial Port Female to RJ45 Female Cat5e6 Ethernet LAN Extend Adapter is a device used for the extension and transfer of data between serial and Ethernet connections. It does not come as a set and is sold as a male or female connector separately. The wiring diagram for the connections between the RJ45 and the DB9 connectors is 1-3,2-2,3-7,4-8,5-6,6-5,7-4,8-1. The product supports up to 20 meters (65.6 ft) and requires a pair to use together. While some customers found the adapter to be solid and well made, others had trouble getting it to work, with some stating that it is not wired correctly and does not extend RS232 as advertised. However, one customer found it to work perfectly with their steno machine.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Solid and well-made physically
  • Affordable option for using with a steno machine

Cons

  • Not wired correctly for serial applications

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

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.

GBP 11

Order now and get it around Friday, August 28

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • DB9 (RS232) Female to RJ45 female adapter for TCP/IP network interface with dual-way conversion
  • Serial port network function supports bi-directional transparent transmission of serial and network data
  • Compatible with most routers on the market
  • Nick-plated and Oxygen-free copper transmission port minimizes crosstalk, noise, and interference
  • Engineered with molded strain relief connectors for durability and finger-tightened screws for a secure connection
  • Double-shielded standard ensures interference-free signal transmission

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.