An interface adapter is a hardware device that connects a computer or terminal to a network. They do this by providing a two-way communication system for the flow of data between the network and the device.What are Interface adapters used for?Interface adapters have many supported interfaces, frequencies and intended applications. A Universal Serial Bus (USB) to RJ45 (ethernet) adapter, for example, connects a USB equipped computer or tablet to a network switch, router or modem to bring ethernet to your network connection.A USB to RS-232 adapter connects mobile devices, digital cameras or International Services Digital Network (ISDN) adapters through your USB port.Types of interface adaptersThere are numerous types of interface adapters including:RS232 to RS422 Serial ConverterUSB Micro to USB Micro Network AdapterUSB 2.0 to IDE USB Cable AssemblyUSB 2.0 to RS232 Serial Converter9-Pin (Serial) to RJ45 Network AdapterDisplay Port Male to D-sub, 15-Pin (VGA) Female Network AdapterUSB Male to Interface Adapter