● Supports RS-422 and RS-485 asynchronous communication on the ISA bus

● Automatic control of RS-485 driver under Windows systems

● Includes type 16550 UARTs with 16-byte FIFO buffers

● Can be set up as COM1, 2, 3, 4, or any other I/O bus address

● Baud rates up to 460,800 baud

● Model ICOM422/485A provides opto-isolation

● Equipment monitoring

● Environmental measurements

● Embedded data acquisition

● Education/Laboratory

● Industrial Automation

Drivers for various operating systems are also provided, including active support for Windows XP -> 10 — all in both 32-bit and 64-bit flavors, and including consumer, server, and embedded varieties — as well as the 2.6 and newer Linux kernels and recent OSX / macOS versions. Many products continue to ship with driver support for Windows 95, 98, Me, NT4, and Windows 2000, but support for these operating systems is considered deprecated.