The USB to Serial Adapter - Generally A USB to serial adapter,
also referred to as a USB serial converter or USB RS232 adapter
is a small electronic device which can convert a USB signal to
serial RS232 data signals. RS232 is the type 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 adapter
/ USB RS232 serial converter designs have other special
conversion features. Even the USB to serial adapter RS232
standard is an older communication protocol it is still used by
many modern USB to serial adapter devices in both business and
consumer markets and is also often used for personal and office
USB to serial adapter devices. More recently most new computers
do not have a COM port so a USB serial adapter is often used to
connect many types of devices. A USB to serial adapter is a very
useful device for connecting equipment such as USB to serial
adapter printers, scanner