DTU is installed in substations, ring main units, and compact substations. DTU distribution network automation terminal is such an intelligent device, which can greatly improve the efficiency of distribution network management and reduce human errors, and provide timely and accurate monitoring and control of the power distribution system. The functional advantages of dtu. Data Transfer Unit (DTU), also known as a "data transmission unit, concentrator, converter, or repeater," typically functions as a router or gateway. It supports multiple industrial protocols (e., MQTT, IEC101, Modbus) for wired input and transmits data to remote locations via wired or wireless. Distribution Automation Terminals (DTU and FTU) by Application (Substation, Pole Mounted Switch, Distribution Transformer, Others), by Types (Distribution Terminal Unit (DTU), Feeder Terminal Unit (FTU)), by North America (United States, Canada, Mexico), by South America (Brazil, Argentina, Rest of. This page is a practical guide for designing feeder automation terminals (FTU, DTU and TTU) with the right mix of sensing, communication, power, security and IC choices. The main function of the DTU module is to conduct real-time monitoring, fault detection, remote control and communication management of. It is located at the communication layer of the system, undertaking communication tasks with the control layer and the higher-level dispatching layer at the upper level, and integrating various intelligent devices of different manufacturers and models at the lower level.