This document contains a network layout diagram for a SCADA system monitoring a smallville water and wastewater system. It shows the connections between a master site and various remote sites including water tanks, PRV sites, pumping stations, and a wastewater blower building. Communication options between sites include radio, telephone, ethernet and various protocols are supported like Modbus, DF1, and others. Site controllers can monitor local I/O and integrate functions like trending, alarming, and dialer.