PRODirect - OPC Connectivity via Ethernet to Fisher Provox DCS Systems This item is no longer available for online ordering. See below for details on alternate products or products that may have superceded this item. Product Summary This product has been discontinued. This product has been discontinued by the developer, TIPs Incorporated, and is no longer available for purchase. PRODirect - OPC Connectivity via Ethernet to Fisher Provox DCS Systems This item is no longer available for online ordering. See above for details on alternate products or products that may have superceded this item.