The IA-3131-E is an Industrial 10/100 Base-T Ethernet Relay board that includes a TCP/IP port and 32 Relays, and can be easily controlled by DOT.net Software Drivers or by Virtual COM ports. The IA-3131-E IP Relay Controller includes an onboard server and may be operated in DHCP mode or in a Static IP mode. Port configuration may be done by a built-in web page or through AT commands. The IA-3131-E Relay board is Intelligent-Appliance Series-3000 software compatible, providing wide software support to control relays at single or board level, with an expansion capability based on Ethernet and/or its built-in buffered RS-232C port. The IA-3131-E TCP Relay board Software Utility includes Ethernet/USB/RS-232 wide products search capability, on-Screen I/O Status Monitoring, board configuration and Mouse/Touch-Screen Control. IA-3131-E includes 32 SPST Relays Rated at 5Amp, while other Intelligent-Appliance Relay boards includes relays in the range of 1 to 32 with a contact rating of 2 to 30Amp.