The CXONE-LTCD-EV4 by Omron is an Ethernet I/O module that allows users to expand their automation systems. It features 16 independent input/output points, two Ethernet ports, two onboard USB ports, and two expansion slots. With second port provided and the ability to chain together up to eight units, the CXONE-LTCD-EV4 provides an efficient and cost-effective way to add I/O to an automation system. The unit also supports a variety of I/O types, including digital input and output, DC contact input and output, relay output, and analog input. The unit is also resistant to shock and vibration, and is CE, UL, and cUL certified.