The CNX400401-2 is a Visual Communications Company (VCC) communications module. This module is designed to provide serial communication to RS-232 and RS-485 devices over Ethernet networks. It is also capable of transmitting data over a variety of media types, including RS-232, RS-485, twisted pair, telephone lines, and fiber optics. The module is DIN-rail mounted and includes a 10/100 Ethernet port for connection to a local network or the internet. Additionally, the CNX400401-2 includes Serial Communications Server (SCS) software, which makes it easy to configure, monitor, and troubleshoot the module. It is a reliable, cost-effective option for connecting serial devices to an IP-based network.