Linkwell Telesystems Pvt. Ltd offers Meter Interface Unit with In-built SMPS Power Supply. Linkwell Telesystems Pvt. Ltd is an ISO 9001:2000 awarded company. Linkwell Telesystems Pvt. Ltd offers various types of transaction terminals, wireless modems, payphone terminals etc. Meter Interface Unit with In-built SMPS Power Supply is a microprocessor based Slave device works on multi drop [Master /slave] network topology. Meter Interface Unit with In-built SMPS Power Supply employs RS485 for data transfer in half duplex mode of operation and interface with Master device DCU. Meter Interface Unit with In-built SMPS Power Supply communicates using RS232 interface to the energy meter via optical port and through RS485 interface with DCU. It periodically reads the data from the meters and stores all the Instantaneous, tamper and load survey as per predefined time intervals in 4 MB nonvolatile memory.