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USB to Serial Adapters (RS232)

Below products are sorted: lowest price/least features to highest price/most features.




Product Image Item Name- Price
USB to Serial Adapter - Economy Mini

USB to Serial Adapter - Economy Mini

** This product has been discontinued and replaced by XS882 ** This low-cost mini USB to Serial adapter is ideal for mobile applications and devices. It is utilizing the low-cost PL2303 chip from Prolific which makes it easy to add a serial port to...
$9.95
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USB to Serial Adapter - PRO Mini

USB to Serial Adapter - PRO Mini

This PRO version mini USB to Serial adapter is similar to our STD mini adapter however with some major exceptions: this adapter is designed around the popular and highly reliable FT232RL chip from FTDI which makes this adapter superior to the...
$24.50
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USB to Serial Adapter - Professional

USB to Serial Adapter - Professional

So you are looking for a good low-cost USB Serial adapter (RS232) and you are asking yourself " Will a $10 USB Serial adapter cable work with my device? and will it work with Windows 10 and 11?! " Well read on and find out why you have to be careful...
$38.95
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USB Serial Adapter - Ultimate

USB Serial Adapter - Ultimate

This is our high quality USB to Serial adapter . It is one of the most reliable, high performance and easy to use USB serial adapters on the market. It is optimized for Windows 11, Windows 10, Windows 8 and Windows 7 32 and 64-bit versions but will...
$38.95
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USB to Serial Adapter - Thunderlinx™

USB to Serial Adapter - Thunderlinx™

If you don't mind paying a bit extra to get the absolute best and highest quality then the Thunderlinx™ USB to Serial adapter is for you. As all other USB serial adapters the Thunderlinx™ adapter converts serial data to USB data and vice...
$65.00
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USB-C to Serial Adapter, RS232

USB-C to Serial Adapter, RS232

Many new computers now has the USB Type-C connector for connecting USB devices. This USB-C to Serial RS232 adapter will work with all USB Type C ports and most types of serial RS232 devices. This adapter is designed around the high quality FT232RL...
$29.50
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USB Serial Adapter, 2-ports

USB Serial Adapter, 2-ports

Here is a USB to dual RS232 serial port adapter cable which is similar to our Y-106 adapter with the difference that it has the better FTDI FT232RL chipset which is more reliable and has better performance. The FT232RL chipset is a good all-round...
$39.99
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USB to Serial RS232 Adapter - Fully Isolated

USB to Serial RS232 Adapter - Fully Isolated

This USB to serial RS232 converter has one RS232 port which is fully isolated from the USB port. It us built around the FT232RL processor chip which is one of the best serial conversion chips on the market. Isolation is made using the ADM3251E chip...
$49.00
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USB to Serial Adapter, 2-ports, Industrial

USB to Serial Adapter, 2-ports, Industrial

Here is a 2-port USB to RS232 converter which can be used as a desktop converter but it also has brackets included for wall and DIN installation. The enclosure is made of metal and it has 15KV ESD protection against static electricity and voltage...
$59.00
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USB Serial Adapter, 4-ports

USB Serial Adapter, 4-ports

Desktop-style commercial strength 4-port USB-RS232 converter optimized for Windows 10, Windows 8 and Windows 7 but will also work fine with Linux, Mac and older operating systems. With this multi-port USB-RS232 converter you can easily add four...
$69.95
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USB to Serial Adapter, 4-ports, Industrial

USB to Serial Adapter, 4-ports, Industrial

Here is a 4-port USB to RS232 converter which can be used as a desktop converter but it also has brackets included for wall and DIN installation. The enclosure is made of metal and it has 15KV ESD protection against static electricity and voltage...
$79.00
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USB to 3-Port RS232/485/422, Isolated

USB to 3-Port RS232/485/422, Isolated

The MWE820B is an industrial strength very solid and reliable isolated USB to Serial Converter with RS232 / RS422 / RS485 interfaces that requires no external power supply. With its standard DIN rail mount and screw terminals it is a great choice...
$79.95
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The USB to Serial Adapter - Generally

A USB to serial adapter, also referred to as a USB serial converter or RS232 adapter is a small electronic device which can convert a USB signal to serial RS232 data signals. RS232 is the type of signal which is in many older PCs and is referred to as a serial COM port.

A USB to serial adapter typically converts between USB and either RS232, RS485, RS422 or TCP signals, however some USB to serial adapters have other special conversion features such as custom baud rates, high-speed or other.

Even the USB to serial adapter RS232 standard is an older communication protocol it is still used by many modern serial RS232 devices in both business and consumer markets and is also often used for personal and office serial devices.
More recently most new computers do not have a built-in COM port so a USB serial adapter is often used for connecting many types of serial devices to a computer. A standard USB to serial adapter is a very useful device for connecting equipment such as printers, scanners, scales and GPS devices, but also most business and consumer equipment can be connected to a computer by using an industrial grade adapter.

The USB serial adapter is made in different versions and grades, the 1-port adapter is very popular and one of the most commonly used adapters. Two to four port adapters are also frequently used if the user needs more than one serial port. Multi-port adapters can be connected to a computer by using just one USB cable, where after the computers operating system will create multiple virtual COM ports. Grades range from standard consumer grade to industrial grade and even mission critical grade adapters.
Most consumer grade USB serial adapters are not optically isolated or protected against high voltage spikes however most industrial grade adapters are optically isolated which means they are protected against voltage spikes and surges, ground-loops and most other voltages which potentially can damage the adapter or the connected serial devices.

The serial RS232 protocol has existed since the early 60'ties so you may wonder why it is still being used today. The reason is that it is a very reliable way of data communication and it is fairly easy to understand for engineers so it's easy to develop and program new devices. Another reason is that since the serial protocol has existed for such a long time, many devices already have the serial protocol built-in so its easy to integrate new devices with old devices.




   

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