Moxa ioLogik E4200 Modular Active Ethernet I/O adapter, Supports up to 16 I/O modules, Dual Ethernet LANs and one RS-232 port, Front-end intelligence that supports 80 Click&Go rules, Unicode Active Messaging with real-time stamp, including SMS, SNMP Trap with I/O status, TCP, email, Built-in web console, PC utility: Auto detection of installed modules, Windows/WinCE VB/VC.NET and Linux C APIs.