The IA-3131-EP 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-EP 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-EP 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-EP 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-EP includes 32 SPST Relays Rated at 5Amp, The IA-3131-EP is a 32-ch Relay board version that includes 5 Amp Relays with Pluggable Terminal Blocks and Contact Protection on each channel. Other Intelligent-Appliance Relay boards includes relays in the range of 1 to 32 channels, with a contact rating of 2 to 30Amp, with or without Contact Protection.