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Most new computers do not have a built-in COM port, yet many legacy devices need one! So a USB serial adapter cable is often used for connecting many types of serial devices to a computer. The USB serial adapter is made in different versions with the single-port adapter 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 and the computer’s operating system will create multiple virtual COM ports. 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 is a very reliable way of data communication and it is easy to understand for engineers. USB to serial adapters offer several key features and benefits, making them essential for connecting serial devices to modern computers: • Easy Installation: Simply plug the adapter into a computer’s USB port – you may not even have to install the drivers. A USB to Serial adapter, also called a USB Serial adapter, a USB-to-RS232 adapter, or a USB-toRS232 cable, is an easy way to add an RS232 serial port to a computer. On this page you will find our RS232 versions in various cable lengths or as boxes |