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36 <br />AMI Feasibility Report I Client Name: City of Santa Ana <br />n�e� <br />k Smart Meter Network <br />Smart Meters Mesh r Baha ckul I� AMI MDMS <br />(WaterAMI Meter) �� Network i li tl_ (WAN) I'`es 'I--- I <br /><- Advanced Metering Infrastructure '-------------> <br />Figure 11 AMI Solution with MDMS <br />The block diagram (Figure 12) shows the core features of MDMS solutions. This is not a <br />comprehensive list of all capabilities but the represents the core features. MDMS is the active <br />management system for the AMI data and is the system that internal users would access. Data is <br />stored in this location until it is archived (the number of years data is to be stored in MDMS will be <br />decided based on the City's business requirements). Users can access the MDMS data for analytics <br />and reporting. The main difference between the MDMS and AMI HES systems is that the latter does <br />not support long term data storage and analytical capabilities. <br />25G-154 <br />