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The Best db9 to rj45 adapter of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best db9 to rj45 adapter of 2022. Check our ranking below.

2,580 (random num) Reviews Scanned

Rank No. #1
DTECH DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices
  • A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable
  • DB9 female to RJ45 modular adapter converts DB9 female connector into an RJ45 female connector (DB9 female - RJ45 Female pinout: 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8, 9-x)
  • A pair of DB9 to RJ45 socket coupler can be used a extender to extend rs232 serial signals up to 65ft
  • Bi-directional DB-9 female to RJ-45 female converter comes with thumbscrews for easy and secure connection
  • (Please be noted it's NOT 15 pin VGA video port) It's compatible with Standard 9 Pin D-sub RS-232 Devices e.g. computer laptop, printer, modem, router, PDA, POS device, digital CNC machine tool, Barcode scanner, etc.
Rank No. #2
DTECH DB9 to RJ45 Console Cable Cisco Device Management Serial Adapter (6 Feet, Blue)
  • DB9 to RJ45 console management cable connects your PC laptop to Cisco router, switch, firewall, wireless device and more
  • Cisco console cable's cross reference is equivalent to Cisco Part Number 72-3383-01, CAB-CONSOLE-RJ45, CAB-CONSOLE, CAB-1700-CON=, CAB-1600-CAN=, ACS-2600ASYN=, CAB-ME-CON=, AIR-CONCAB1200=, 1401-01B7000
  • 6 feet short rollover serial adapter allows you to place the device at a convenient distance
  • Ultra thin flat design makes it flexible, helps avoid tangled cords and saves space ; features RJ-45 male connector and 9-pin DB-9 D-sub port
  • Blue RJ45 to DB9 female converter cord is an ideal replacement data cable for reprogramming and updating compatible equipment and devices; can possibly be used to configure other networking devices as well
Rank No. #3
ANMBEST 10PCS DB9 Male Ethernet Adapter, 9 Pin Serial Port Male to RJ45 Ethernet LAN Extend Modular Converter, M/F
  • Transmit signals between your RS232 ports over CAT5, CAT5E, and CAT5 network cables. Transmits signals up to 100FT.
  • RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Gray, and 8-White.
  • DB9 Pin Definition: 1.CD(Carrier Detect); 2.RD(Received Data); 3.TD(Transmitted Data); 4.DTR(Data Terminal Ready); 5.GND(Ground); 6.DSR(Data Set Ready); 7.RTS(Request to Send); 8.CTS(Clear to Send); 9.RI(Ring Indicator).
  • High quality alloy transmission port reduce the transmission impedance and interference, environmentally ABS material, super wear-resistant.
  • The DB9 male to RJ45 adapter converts the pin configuration of the DB9 connector into the appropriate wiring scheme for an RJ45 connector, allowing you to establish a connection between devices that use these different interfaces. It is often used in scenarios where legacy serial devices need to be connected to a network infrastructure using Ethernet technologies.
SaleRank No. #4
StarTech.com DB9 to RJ45 Modular Adapter - F/F - Serial adapter - DB-9 (F) to RJ-45 (F) - GC98FF, Black
  • Convert your DB9 male connector into an RJ45 female connector
  • Used for modular RS232 RS422 and RS485 connections
  • Can be used to make customized serial connections
  • DB9 to RJ45 Modular Adapter Female to Female / DB9 to RJ45 Adapter / RJ45 to DB9 Adapter / RJ45 to DB9
  • Guaranteed reliability with a lifetime warranty
Rank No. #5
zdyCGTime RJ45 to RS232 Cable, DB9 9-Pin Serial Port Female&Male to RJ45 Female Cat5/6 Ethernet LAN Console(15CM/6Inch) 2Pack
  • Please note: This is not EIA/TIA-561 or similar common pinout. These units can only be used when paired together. They cannot be used as you would any other similar adapter.Size:(15CM/6Inch) Color: Black Features:(2 per pack) DB9 Female to RJ45 Female cable and DB9 Male to RJ45 female cable
  • The RS232 signal is transmitted over the network cable,When using this adapter, it is recommended to use within a distance of 1-15 meters
  • Requires no external power, easy and Convenient to use.
  • Save money by using a CAT5 cable versus a DB9 cable.Makes running cables easier due to RJ45 being thinner.
  • Please note:Can only be used in pairs to work (2 at the same time), can not be used alone, please read the instructions carefully before buyingThis cable can be converted to DB9 9-Pin serial port, DB9 port used to connect to the computer host or a variety of monitors
Rank No. #6
C2G 02947 RJ45 to DB9 Male Serial RS232 Modular Adapter, Black 1.5 Inch
  • RJ45 Female to DB9 Male Serial RS232 Modular Adapter - One (1) Black Serial Adapter
  • Use - This RJ45 female to DB9 male serial printer cable adapter is the cost-effective solution to connect serial printers, terminals, modems, POS devices and other serial applications
  • Durable - Using an RS232 modular adapter with inexpensive silver satin or flat oval twisted pair wire has become a standard way to run client server applications
  • High Quality - Whether used in a wiring closet or throughout the office, a color-coded serial printer adapter approach makes for easy identification and differentiation to your cable plan
  • Cables 2 Go Brand - Since 1984, C2G has provided connectivity solutions for a variety of markets, including corporate, education, healthcare, home theater, digital signage, hospitality, and more, joining Legrand in 2014
Rank No. #7
Jienk 5Pcs DB9 Male to RJ45 Modular Adapter, DB9 to RJ45 Female Jack Ethernet Adapter
  • Convert your DB9 connector into an RJ45 female connector. Allows you to configure your own specific pinouts or make customized serial connections. You can create customized connections with terminals, serial printers, modems, POS and other serial devices.
  • RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Brown, and 8-White.
  • High Compatibility: You can use these systems for computer-related equipment such as printers, mice, keyboards, networks, and modems.
  • Durability: This adapter has a DB9 female plug with flying leads so you have a larger margin of error when you insert the pins which have a gold coating, for a solid connection.
  • When trying to run a serial connection over a very long distance, it is better to use a phone line to do so. It will cut down on signal loss and interference. These adapters are useful when running serial cables over long distances using networking cable.
SaleRank No. #8
StarTech.com DB9 to RJ45 Modular Adapter - M/F - Serial adapter - DB-9 (M) to RJ-45 (F) - GC98MF,Gray
  • M/F
  • Serial adapter
  • DB-9 (M) to RJ-45 (F)
  • for StarTechcom 16 Port Enhanced RS232 Serial Console Server
Rank No. #9
Dahszhi DB9 Ethernet Adapter, DB9 to RJ45 Modular Adapter, F/F
  • Package Content: 6pcs x DB9 to RJ45 Adapter
  • Changer Type: DB9 to RJ45 (Female to Female)
  • RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Gray, and 8-White
  • Scope of Application: Used for modular RS232 RS422 and RS485 connections. Can be used to make customized serial connections
  • Name:DB9 to RJ45 Adapter
Rank No. #10
XMSJSIY DB9 RS232 to RJ45 Extender, DB9 9-Pin Serial Port Female&Male to RJ45 CAT5 CAT6 Ethernet LAN Extend Adapter Cable-2pcs (2-Cable)
  • DB9 to RJ45 adapter: used for TCP/IP network interface with serial port network function, support serial data and network data bidirectional transparent transmission.Compatible with desktop computer, digital machine tools, PDA, bar code and other standard DB9 serial devices, stable and reliable performance, support maximum distance 66ft.
  • The DB9 RS232 COM signal is transmitted over the network cable,When using this adapter, it is recommended to use within a distance of 1-15 meters.Requires no external power, easy and Convenient to use.
  • High quality alloy transmission port reduce the transmission impedance and interference,environmentally friendly PVC material, super wear-resistant, Integral injection molding. improve data transmission rate and transmission quality.
  • Interface: DB9 Male to RJ45 female; 9pin/8P8C.the adapter run RS232 data over long distances (up to 100m) using UTP Cat 5/ Cat6 cable to bridge the gap.
  • Special Note: Usually this product needs to be used in pairs, specifically divided into: female to female, male to female, male to male three kinds of situations. Can also be used alone.

Last update on 2025-05-08 / Affiliate links / Images from Amazon Product Advertising API

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FAQ:

Q: What are some uses for a DB9 port?

A: Some uses and characteristics of the DB-9 connector are: Serial communication Token Ring network adapters IBM video interfaces Asynchronous data transfer (standardized as RS-232C)

Q: What is DB9 serial cable?

A: The DB9 serial straight through cable is used to connect a PC and device using a DB9 serial port. You can find an extensive range … The DB9 serial straight through cable is used to connect a PC and device using a DB9 serial port. You can find an extensive range of DB9 Serial Cables at SF Cable.

Q: What is a RJ45 connector used for?

A: RJ45 (telecommunications), a standard for a physical interface between customer wiring and telephone company wiring. RJ45 (computers), a commonly-used name for the 8P8C modular connector used in Ethernet and other data links.

Q: What are DB9 connectors?

A: The term “DB9” refers to a common connector type, one of the D-Subminiature or D-Sub types of connectors. DB9 connectors were once very common on PCs and servers. Today, the DB9 has mostly been replaced by more modern interfaces such as USB, PS/2, Firewire , and others.

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