Moxa's smart serial RS-485 remote I/O devices offer simple wiring as they use only two cables to communicate with the controller or other RS-485 devices. Serial remote I/O uses EIA RS-485 communication protocol for fast data exchange over long distances. With its dual RS-485 port design and software or USB communication configuration, Moxa's smart I/O devices eliminate the nightmare of the installation and maintenance process, which is often associated with laborious hours in automation systems. The different I/O combinations offered in the device models also provide greater flexibility and compatibility with all types of applications. Therefore, Moxa serial remote I/O devices offer the ideal solution especially for industrial supervision and control applications. It is an excellent choice for a cost-effective, reliable and maintainable process control remote I/O system.