- Home Page /
- Electronics /
- Computer Accessories /
- Computer Accessories & Peripherals /
- Computer Cable Adapters /
- Serial Adapters /
- RS232 DB9 to RJ45 Serial Adapter DB9Male to R...
0 ratings
Item #:
91486830
RS232 DB9 to RJ45 Serial Adapter DB9Male to RJ45Female Serial2pcs | Converter and Serial Coupler LAN Ethernet Cat5e Cat6 Extender Adapter
89% of respondents would recommend this to a friend
Item #:
91486830
BSD 15
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
6%
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, August 12
Secured 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
This DB9 serial RJ45 adapter is engineered for durability and ensures signal transmission without interference.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Versatile Compatibility
Supports multiple devices with DB9 and RJ45 networks, facilitating seamless connectivity for varied applications like serial communication and network extension.
Dual Functionality
Includes both a serial adapter and a coupler, providing flexible solutions for direct connections and extending distances without compromising performance.
High-Quality Build
Constructed using durable materials, ensuring longevity and reliability in various environments, making this adapter essential for professionals in tech and networking.
Product Details
- Warm Note:1.This RS232 DB9 to RJ45 serial adapter needs to be used in pairs(DB9 male+DB9 female). 2.This DB9 serial RJ45 adapter is only an adapter for extending RS232 serial data (max distance 65ft),not a console adapter. Bidirectional Conversion:This DB9 (RS232) male&female to RJ45 female adapter,transmitting signals between your DB9 ports via CAT5 CAT5E CAT6 RJ45 network cable,for bidirectional conversion of TCP/IP network interfaces.
- Widely Used:This RS232 DB9 to RJ45 is compatible with Standard 9 Pin D-sub RS-232 Devices,eg computer,laptop,monitor,TV,projectorrouter,PDA,POS device,barcode printer and other devices with DB9 connector.
- This DB9 RS232 Female/Male to RJ45 Female adapter engineered with molded strain relief connectors for durability,grip treads for easy plugging and unplugging,and finger-tightened screws for a secure connection.
- Double-shielded standard:Nick-plated and Oxygen-free copper transmission port on the port minimize crosstalk,suppress noise,ensuring signal transmission without interference.
- Plug and Play:Simple operation,cost saving,plug and play,no need to drive. No need external power.
| Compatible Devices | Computer, Laptop, Monitor, TV, Projector, Router, PDA, POS Device, Barcode Printer |
| Connector Type | RJ45 |
| Number of Ports | 1 |
| Current Rating | 20 milliamps |
| Power Plug Type | No Plug |
| Color | Black |
| Package Quantity | 1 |
| Number of Items | 2 |
| Brand | SHANFEILU |
| Model Number | c3d74263-863b-408b-a24e-ffc395ae70fc |
| Manufacturer | SHANFEILU |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
-
Legacy Device Users
Ideal for connecting older RS232 devices to modern networking equipment using RJ45 cables.
-
Industrial Applications
Useful in industrial settings where serial devices need to communicate over long distances via Ethernet.
-
Networking Professionals
Perfect for technicians who require easy conversion between serial and Ethernet connections for troubleshooting.
-
Home Users
Not suitable for casual users looking for simple, plug-and-play connections without technical setup.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is an RS232 DB9 to RJ45 Serial Adapter?
Answer: An RS232 DB9 to RJ45 Serial Adapter is a device that converts RS232 serial signals to RJ45 Ethernet signals. Typically, it features a DB9 male connector on one end and an RJ45 female connector on the other, enabling communication between devices that utilize these different types of connections. This adapter is particularly useful for connecting legacy devices that operate on serial communication to modern network infrastructures, allowing seamless integration and communication. For example, if you have legacy networking equipment that needs to connect to a newer Ethernet network, this adapter serves as a vital link. -
Question:
How does the DB9 to RJ45 Serial Converter work?
Answer: The DB9 to RJ45 Serial Converter works by translating the voltage levels of the RS232 protocol to the signal format used in Ethernet networks. Inside the adapter, an electronic circuit ensures the serial data transmitted over DB9 is correctly formatted for RJ45 while maintaining signal integrity. This conversion is crucial when interfacing devices like old serial printers or point-of-sale systems with modern network setups. For instance, using this converter, you can easily connect an RS232-based barcode scanner to an RJ45 network switch, streamlining product checkouts. -
Question:
What are the differences between DB9 Male and DB9 Female connectors?
Answer: DB9 connectors come in two types: male and female. A DB9 Male connector has protruding pins and is generally used as the plug side, while a DB9 Female connector has openings to receive those pins and acts as the socket side. This distinction is crucial for making proper connections in serial communications. For example, if your device has a DB9 Female port, you'll need a DB9 Male to RJ45 adapter to connect it to an Ethernet cable, ensuring accurate data transmission without adopting improper connections. -
Question:
Can I use the DB9 to RJ45 Serial Adapter for network connections?
Answer: Yes, the DB9 to RJ45 Serial Adapter is designed to facilitate communication between devices over a network. While it does not create a direct Ethernet connection in the sense of sharing internet access, it allows data transfer between serial devices and LANs or Ethernet-based systems. This capability is beneficial for various applications, including industrial equipment monitoring or linking historical systems to cloud-based platforms. By utilizing this adapter, you can integrate older technology into contemporary network infrastructures efficiently. -
Question:
What is the purpose of the DB9 Female to RJ45 Female Serial Coupler?
Answer: The DB9 Female to RJ45 Female Serial Coupler functions as a connector that allows two RJ45 cables or DB9 male cables to be joined. It can be used when extending cable lengths or connecting two devices that both feature DB9 connections, ensuring stable transmission of data. This coupler is particularly useful in scenarios where the distance between devices exceeds cable limits, such as in an industrial setting where equipment is spaced apart. By using this coupling adapter, you can maintain the integrity of the signal while providing necessary flexibility in installation. -
Question:
What types of cables are compatible with the RS232 DB9 to RJ45 Serial Adapter?
Answer: The RS232 DB9 to RJ45 Serial Adapter is compatible with Cat5e and Cat6 Ethernet cables, which are standard for networking applications. These cables ensure high-speed data transfer and minimal interference, making them ideal for connecting the adapter in various settings. For instance, in office environments where multiple devices need to communicate with servers, using high-quality Ethernet cables with this adapter allows for robust connections between modern network nodes and legacy devices. Thus, using compatible cables can significantly enhance performance and reliability. -
Question:
Can I connect multiple devices using the DB9 Female to RJ45 Female Serial Coupler?
Answer: While the DB9 Female to RJ45 Female Serial Coupler facilitates the joining of two cables, it is limited to point-to-point connections. You cannot directly connect multiple devices simultaneously to a single coupler without additional networking equipment. This coupler is handy for extending cable runs or connecting two individual devices that require a DB9 connection, like an older printer and a computer. Therefore, it's ideal for specific scenarios but not suited for complex networking setups requiring multiple device connections. -
Question:
Where can I buy RS232 DB9 to RJ45 Serial Adapter and related couplers?
Answer: You can buy the RS232 DB9 to RJ45 Serial Adapter, DB9 Male to RJ45 Female Serial Converter, and DB9 Female to RJ45 Female Serial Coupler from Ubuy in The Bahamas. Ubuy offers a comprehensive selection of these adapters, ensuring product availability and delivery options that fit diverse needs. Shopping from Ubuy ensures you get quality products that are essential for connecting various technologies in your home or business. -
Question:
What applications can benefit from using a DB9 to RJ45 Serial Adapter?
Answer: Applications that benefit from a DB9 to RJ45 Serial Adapter include legacy system integrations, industrial automation setups, and home automation systems where older equipment needs to connect to modern Ethernet networks. For example, in manufacturing facilities, using these adapters allows for monitoring older machinery that operates on serial communication while still being integrated into new ethernet networks for data collection and analysis. Thus, this adapter serves as a bridge between old technologies and modern requirements. -
Question:
Is the RS232 DB9 to RJ45 Serial Adapter plug-and-play?
Answer: The RS232 DB9 to RJ45 Serial Adapter is generally considered plug-and-play, meaning it can be connected without extensive configuration or installation processes. Upon connecting the adapter, most operating systems will automatically recognize the device and facilitate communication with the connected equipment. This feature is particularly useful in environments where multiple serial devices need quick setups, such as within IT environments or temporary installations where efficiency is essential.
SHANFEILU Serial Adapters c3d74263-863b-408b-a24e-ffc395ae70fc Editorial Review
No editorial reviews found
Customer Reviews & Ratings
19 customers ratings
-
5 Star
87%
-
4 Star
7%
-
3 Star
6%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Reliable data transmission
- Compact and lightweight design
- Easy to install and use
- Compatible with various devices
- Supports high-speed connections
Cons
- Limited cable length for optimal performance
Platform Trust & Buyer Confidence
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
Product Price History
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.
BSD 15
Order now and get it around Wednesday, August 12
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Bidirectional data conversion for RS232 serial signals.
- Compatible with standard 9 Pin D-sub RS-232 devices.
- Durable design with molded strain relief connectors.
- Transmits signals up to 65ft using CAT5/CAT6 network cables.
- Plug-and-play functionality without the need for external power.
- Perfect for various applications including engineering and decoration wiring.
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.