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In DMS Prepayment Solution using Daisy Chain system, each Smart Prepaid meter is equipped with a built-in I/O RS485 module for Daisy Chain Connection. It is an ideal solution for Sub-Metering applications in the commercial and or residential buildings where meters are installed in clusters at one or more locations.  It provides multi-tariff billing, Demand Side Management, tamper prevention and alarm system for low credit, etc.  The same meter can be used as a Pre-Paid or a Post-Paid meter by the utility issuing a command from the central office. the on a pre-paid or a post-paid service.

Top-up of energy credits can be done through a multitude of channels- Using STS standard web based token/Code vending system, On-line portal, internet enabled mini-marts, banks, Credit card, and conveniently located top-up kiosks.