The problem with an unknown or low-cost processor and driver ship is that it will most likely cause you more problems when installing the drivers or when trying to communicate with your serial device. The seller of the adapter should be able to tell you which processor brand is inside the chip, if they cant tell you, don't buy it. Examples of well known brands are FTDI and Silicon Labs. Well known brand of USB processor and driver chip. We highly recommend a USB to serial adapter designed with a The main parts of the inside circuitry consists of two processor chips: a USB to Serial processor chip, this chip converts all the USB data to serial data and all the serial data to USB data, and a Serial driver chip, this chip provides the power for your the device connected to the serial port of the adapter it kind of amplifies the signals. Okay, but how about the inside of the adapter? Well, the circuitry inside the adapter is even more important that the outside. This is a very helpful feature when troubleshooting. One of our favorite features of the USB to serial adapter is the type of adapter which have indication lights for the TX and RX communication lines. Most USB to Serial adapters has a DB9 connector however some adapters has a screw terminal header instead, this applies to industrial adapters and converters in particular. Some have thumb screws for attaching the DB9 connector to a device while others have screw nuts for connecting devices. Other differences are that some adapters has a female DB9 port instead of a male DB9 serial port. However mostly the physical size of the USB to serial adapter is actually the least important feature, more importantly are the electrical features of the adapter. For example a one port adapter is much smaller than a four port adapter. So what is the main differences between these USB to serial adapters? The most obvious difference is the physical size of the adapters this is mostly due to the number of ports the particular adapter has. Prolific provides perfect solution to connect your legacy peripherals and application to any USB host platform.What are the differences between USB to Serial adapters? Prolific offers complete USB to Serial/UART/RS232 and USB to Printer interface bridge solution for Windows, Mac, Linux, and Android platform.
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