DTECH DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices
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DTECH DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices

4.4/5
Product ID: 241567114
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Details

  • Compatible Devices
    Desktop
  • Specific Uses For Product
    PC
  • Connector Type
    RJ45
  • Color
    black
  • Brand
    DTECH
20mA current rating
🔌65ft signal extension
🖧RJ45 modular connectivity

Description

🔗 Connect legacy tech with future-ready ease — don’t get left behind!

  • ECO CONSCIOUS CERTIFIED - ClimatePartner certification means your tech upgrade supports sustainability without compromise.
  • UNIVERSAL COMPATIBILITY - Works flawlessly with standard 9-pin RS-232 devices like printers, modems, CNC machines, and more.
  • EXTEND YOUR REACH UP TO 65 FEET - Use paired adapters to stretch serial communication beyond typical limits with reliable signal integrity.
  • SECURE HASSLE FREE CONNECTION - Thumbscrews ensure your adapter stays firmly in place during critical data transfers.
  • SEAMLESS SERIAL TO NETWORK BRIDGE - Convert your classic RS232 DB9 ports into modern RJ45 connections effortlessly.

The DTECH DB9 to RJ45 Serial Adapter is a compact, matte black converter that transforms standard 9-pin RS-232 female DB9 ports into RJ45 female connectors, enabling serial data communication over cost-effective Cat5/Cat6 cables. Supporting up to 65 feet of extension with secure thumbscrew fittings, it’s compatible with a wide range of professional devices including computers, printers, and industrial equipment. With a 20mA current rating and ClimatePartner certification, it combines reliable performance with eco-conscious design.

Specifications

Unit Count1.0 Count
Number of Items1
Item Weight0.01 Kilograms
Package Quantity1
Finish TypesMatte
Colorblack
Warranty TypeLimited
Current Rating20 Milliamps
Power PlugNo Plug
Connector Type Used on CableRJ45
Number of Ports2
Compatible DevicesDesktop
Specific Uses For ProductPC

Have a Question? See What Others Asked

Despite product title, this is not an "Ethernet Converter", is it? It just uses ethernet cable?
Is the listed pinout correct for this product?
Can this be used with a USB-to-RJ45 console/rollover cable to connect to DB9 console porton a switch or router?
are these crossover (null modem) connectors or straight through?

Reviews

4.4

All from verified purchases

W**S

Easy and work

Do the work

T**N

Works perfectly

Worked great for a what I needed it for. Wiring diagram was easy to understand.

Z**S

Helps in the battle between old and new technology.

Fir those whe refuse to throw out old gadgets, this is for you. Sometmes the new talks with the old, sometimes they don't

M**S

Worked

Worked but didn't help

R**E

Works great, but pinout IS NOT what is shown in the pictures!

The pinout is direct from the DB9 to the RJ45: 1 to 1, 2 to 2, ..... ,7 to 7, 8 to 8, and 9 isn't hooked up.If you are using one of these adapters at either end of an ethernet cable, then it will work perfectly fine (within serial cable length limits anyway). Or if your are rolling your own device and can make sure to match the pinout, you are good as well.But, if you are trying to use one of these as a console cable (to a Cisco or whatever) or as an EIA/TIA-561 compatible cable, then it won't work properly as the pinout is different. Unless of course you can modify your device to change the pinout.While the product itself is 5 stars and works great, the incorrect information deducts a star. If the listing was updated to show the correct pinout, I would update my rating no problem.

O**R

Not Wired for RS-232

The description says "RS-232". The pins are wired straight through, pin 1 to pin 1 through pin 8 to pin 8, this is not wired for RS-232. While the form and build are great I need what they described, an RS-232 adapter, sorry but this goes back to Amazon .

R**T

Meh..

It's an adapter. Cheaply made.

T**L

Well-constructed in appearance. Windows 10 64 bit won't go to download the driver.

No CD or DVD with appropriate drivers were included. Finding the right ones on the web is hit-and-miss. Not good.I have frequent difficulty getting my amateur radio frequency information from the radio to my logging software via a USB-to-Serial port comnnection. Today I tried a RJ-45-to-DB9 serial connector instead of the USB-to-Serial port cable. The requirement to find the proper Windows 10 64-bit driver for either of these cables is hit-and-miss with insufficient instructions and guidance. Where can I find the FTDI drivers for download and how do I determine which specific driver is appropriate for my Windows 10/11 64-bit laptops?

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Dtech Db9 To Rj45 Serial Adapter Rs232 Female To Rj | Desertcart Chile