Moxa's ioThinx 4500 Series (45MR) Models are compatible with I/O modules that include DI/O, AI/O, relays, and other types of I/O. It offers users a wide variety of model options to choose from, allowing them to choose the I/O combination that best suits their target application. Thanks to its unique mechanical design, installation and disassembly are easy, tool-free, greatly reducing the time required to install and replace modules.