Labels:text | screenshot | poster OCR: Windows user interface OPCON/XPS'S components Database SAM Supported systems LSAM ILSAM ESAM system 1 system 2 system 3 Figure 1: In the OpCom/XPS scheme, the System Activity Monitor, or SAM, directs participating compitters through the local SAM agent, Vinzant's ECS acts as the local SAM in PC-based networks.