The Best Usb To Rj12 Adapter of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Usb To Rj12 Adapter of 2022. Check our ranking below.

2,625 (random num) Reviews Scanned

Rank No. #1

DSD TECH SH-RJ12C USB to RJ12 6P4C RS232 Serial Cable for APC PDU ATS(5.9FT/1.8M)

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan.
USB to RJ12/RJ11: RJ12 and RJ11 are the same on the physical interface. The difference is that RJ12 uses 6 data lines, while RJ11 uses 4 data lines.This cable leads to 4 signals: GND, TX, RX, GND.
Manage your APC PDU/ATS:When your APC PDU or ATS needs to be debugged or configured, you can use this USB to RJ12 Serial Cable to communicate with it.
Replacement for APC Part# 940-0144A. Suitable for the following APC models: AP77XX AP78XX AP79XX AP86XX AP88XX AP89XX.
Customer Support:DSD TECH offers a 1-year Replacement service and lifetime technical support for this APC PDU Serial Cable.If you meet any questions, Please contact us, We will fix your issue within 24 hours.

Rank No. #2

Jhoinrch USB to RJ11/12 6P4C RS232 Serial Cable Adapter with FT232RNL Chip for APC PDU UPS 940-0144 BMS Battery

[APC PDU Console Cable]This USB to RJ12 cable can take you you access to the console of the APC/PDU device, help you debug and configure your APC PDU ATS device.
[FT232RNL Chip] It adopts FT232RNL chip with higher stability and wide compatibility, which is the best choice to meet the high communication requirements, and it is enough to cope with various complex application scenarios.
[USB to RJ12/11 Cable] This is a 6P4C cable,It leads to 4 signals: GND, Tx, RX, GND.It can be used in RJ12 interface which uses 6 data lines and RJ11 interface which uses 4 data lines.
[Applicable Devices] The USB RJ11/12 adapter is a replacement for APC part number 940-0144A.Applicable Models: AP77XX, 78XX, 79XX, 86XX, 88XX, 89XX. Or UPS, ATS,BMS Battery and other devices that support RS232 RJ12/11.
[Easy to use] Automatically installs drivers. Supports Windows 7, 8, 10, 11, Linux OS and Mac OS operating systems. If the driver cannot be installed automatically, Please refer to the manual to download by yourself.

Rank No. #3

T.RJ12 USB Adapter

Thrustmaster
Pedal
Adapter
USB
Thrustmaster T.RJ12 USB Pedal Adapter T-RJ12

SaleRank No. #4

TP-Link USB to Ethernet Adapter (UE306), Supports Nintendo Switch, Foldable USB 3.0 to Gigabit Ethernet LAN Network Adapter, Supports Windows, Linux, Apple MacBook OS 10.11 - 12(Driver Required)

𝐆𝐢𝐠𝐚𝐛𝐢𝐭 𝐄𝐭𝐡𝐞𝐫𝐧𝐞𝐭 𝐀𝐝𝐚𝐩𝐭𝐞𝐫: UE306 is a USB 3.0 male A to RJ45 female ethernet adapter which connects your computer or tablet to a router or network switch for wired network connection. It adds a standard RJ45 port to your Ultrabook, notebook for file transferring, video conferencing, gaming, and HD video streaming
𝐔𝐒𝐁 𝟑.𝟎 𝐟𝐨𝐫 𝐅𝐚𝐬𝐭𝐞𝐫, 𝐌𝐨𝐫𝐞 𝐒𝐭𝐚𝐛𝐥𝐞 𝐃𝐚𝐭𝐚 𝐓𝐫𝐚𝐧𝐬𝐟𝐞𝐫𝐬: Full 10/100/1000Mbps gigabit ethernet - faster and more reliable than most wireless connections. USB powered, no external power required. Backward compatible with USB 2.0/1.1
𝐏𝐥𝐮𝐠 𝐚𝐧𝐝 𝐩𝐥𝐚𝐲 𝐢𝐧 𝐍𝐢𝐧𝐭𝐞𝐧𝐝𝐨 𝐒𝐰𝐢𝐭𝐜𝐡: UE306 helps connect your Nintendo Switch to a wired network system, a much faster and more stable network environment than a WiFi connection. Enjoy super-fast and high-quality downloading on your Nintendo Switch
𝐅𝐨𝐥𝐝𝐚𝐛𝐥𝐞 𝐚𝐧𝐝 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐝𝐞𝐬𝐢𝐠𝐧 ideally suits your Ultrabook: The UE306 USB RJ45 adapter is mini and portable, perfect to take on the go
𝐖𝐢𝐝𝐞 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲: Just plug in and be ready to use in seconds—no manual driver installation required. The intuitive LED indicator lets you know the network status at a glance. Plug & Play is enabled for Nintendo Switch, Windows 11/10/8.1, and Linux OS.Does Not Support Windows RT and AndroidNote: ｔｅ 𝐅𝐨𝐫 𝐖𝐢𝐧𝐝𝐨𝐰𝐬 𝟕/𝟖, 𝐦𝐚𝐜𝐎𝐒 𝐮𝐩 𝐭𝐨 𝟏𝟐, 𝐚 𝐝𝐫𝐢𝐯𝐞𝐫 𝐢𝐬 𝐫𝐞𝐪𝐮𝐢𝐫𝐞𝐝 𝐚𝐧𝐝 𝐧𝐞𝐞𝐝𝐬 𝐭𝐨 𝐛𝐞 𝐝𝐨𝐰𝐧𝐥𝐨𝐚𝐝𝐞𝐝 𝐨𝐧 𝐭𝐡𝐞 𝐓𝐏-𝐋𝐢𝐧𝐤 𝐰𝐞𝐛𝐬𝐢𝐭𝐞

Rank No. #5

DSD TECH SH-RJ12A USB to RJ12 6P4C Serial Cable for APC PDU ATS(5.9FT/1.8M)

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan.
FTDI FT232RL Chipset: Built-in industrial grade FTDI FT232RL chip, high stability, enough to handle a variety of complex situations.
Manage your APC PDU/ATS:When your APC PDU or ATS needs to be debugged or configured, you can use this USB to RJ12 Serial Cable to communicate with it.
Replacement for APC Part# 940-0144A. Suitable for the following APC PDU ATS models: AP77XX AP78XX AP79XX AP86XX AP88XX AP89XX
Customer Support:Offering permanent technical support and a 1-year product replacement service. All questions will be answered for you within 1 business day

Rank No. #6

Jhoinrch USB to RJ11/12 6P4C RS232 Serial Cable Adapter Based on CP2102 chip for APC PDU UPS 940-0144 and BMS Batteries

[USB to RJ12/11 Cable] This is a 6P4C cable,It leads to 4 signals: GND, TX, RX, GND.It can be used in RJ12 interface which uses 6 data lines and RJ11 interface which uses 4 data lines.
[Applicable Devices] The USB RJ11/12 adapter is a replacement for APC part number 940-0144A.Applicable Models: AP77XX, 78XX, 79XX, 86XX, 88XX, 89XX. Or UPS, ATS,BMS Battery and other devices that support RS232 RJ12/11.
[CP2102 Chip] Adopts Silicon Labs' CP2102 chip, which supports a variety of data formats and baud rates, high integration, low power consumption, and easy to use.
[Easy to use] Automatically installs drivers and supports Windows 7, 8, 10, 11, Linux OS and Mac OS. (If not installed automatically, please install the driver manually)
[Buyer Support]Jhoinrch backs this usb a to RJ11/12 with lifetime technical support, a one-year product replacement and warranty, and a 100% customer satisfaction guarantee.

Rank No. #7

6.5ft USB to RJ12 Cable 6P4C RS232 Serial Cable with FTDI-FT232 Chip Adapter Cord for APC PDU UPS 940-0144 940-0144A (1)

This is a 6P4C cable,It leads to 4 signals: GND, TXD, RXD, GND.It can be used in RJ12 interface which uses 6 data lines and RJ11 interface which uses 4 data lines. Different devices have different requirements for compatible data lines. You can adjust it manually or contact us for customization.
With the FTDI-FT232 high-performance chip built in, this USB to RJ12 6P4C RS232 serial cable offers faster transmission, improved compatibility and stability, and fewer debugging issues like blue screens and jumbled code.
Compatible Devices : The USB RJ12 adapter is a replacement for APC part number 940-0144A and 940-0144.Applicable Models: AP77XX, 78XX, 79XX, 86XX, 88XX, 89XX. Or UPS, ATS, and other devices that support RS232 RJ12
Easy to work : No drivers need to be installed—just plug and play.support the following operating systems: for Windows 7, 8, 10, 11, Linux, and Mac. If the driver cannot be installed automatically, we kindly suggest you to visit the FTDI website to download the necessary chip driver.
Great Customer Service: Please contact us anytime if there is anything we could help you with. We promise you a satisfaction resolution within 24 hours. We take care of all quality-related issues with a replacement or refund.

Rank No. #8

Mendouconert USB to RJ11 RJ12 RS232 Serial Converter Cable for Keyence PLC Communication Cable

USB to RJ11 RJ12 RS232 Serial Converter Cable for Keyence PLC Communication Cable
Chipset: FTDI FT232RNL
Length:1.8Mtr Optional
Built with durability in mind, the cable features high-quality connectors and a robust outer jacket, making it suitable for use in demanding industrial environments. It is designed to withstand mechanical stress and ensure long-term reliability.

Rank No. #9

Feanteek USB to RJ12 Skywatcher Telescope AZGTI Mount/AZGTe Mount PC Connect EQMOD Cable for Replacing The Hand Control Cable(1.8Meters)

✔️【Application Scenes】For onnecting PC/Laptop/Asiair pro to the Skywatcher computerized Alt-Az tracking mount with RJ12 port, like AZ-GTi and AZ-GTe mount, to control Skywatcher Telescope. And for upgrading Skywatcher AZ-GTi and AZ-GTe.✔️【Adapter Cable】6-FT cable. USB to RJ12 (6P6C) Adapter Cable. Built in FTDI chip. To connect AZ-GTI/AZ-GTE and your computer/Asiair pro, Please check your equipment brand/model and port before placing an order.✔️【Supported OS】Support all windows version Win7/8/10/XP/, and iOS/Linux/Android. Windows 10 and Ubuntu-Mate 18.04 automatically identify the cable and register the serial port out of the box. If the cable not recognized by your computer, please manually update its driver.✔️【APP & Driver】1. Compatible with ASCOM programs like PHD2 and AstroTortilla, with the EQMOD drivers in Windows (ASCOM) or Linux (INDI), with EQMOD, StellariumScope, and Stellarium, with AstroPhoto Tool program (APT). 2. In order to use EQMOD, you may have to find the new port assigned by Windows, or use the search button on the EQMOD setup screen to find it for you. 3. Supports the ASiair APP to connect and control your AZ GTI mount.✔️:Made by Feanteek with 12 months . If you meet any question, please contact us, we will fix your issue within 24 hours.Unit count: 1.0

Rank No. #10

Meade LX200 Telescopes Upgrade Control Console Cable Meade LX200 USB RS232 to 6P4C RJ11 RJ12 Cable(6FT, for Meade LX200)

RS232 Port Connector,Your PC can control your LX200 telescope using serial commands
USB RS232 to 6P4C RJ11 RJ12
Compatible with Meade LX200, LX200 GPS, LX200 ACF, LX200 classic, LX600, LX850, LX850 ACF, LX 200 GPS SMT, and etc.

Last update on 2025-03-18 / Affiliate links / Images from Amazon Product Advertising API

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The Best Usb To Rj12 Adapter of 2022 – Reviewed and Top Rated

How Do You Buy The Best Usb To Rj12 Adapter?

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