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AMI Smart Meter Reading Solution V200R010C10 Planning and Design Guide

This document describes the overall and detailed design of functions and services in the AMI Smart Meter Reading Solution.
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Data Transmission Layer Design

Data Transmission Layer Design

The data transmission layer design refers to the design between application layer systems and terminals of the data perception layer. The DCP at the application layer communicates with DCUs and GPRS meters at the data perception layer through a carrier network. A DCU can connect to the DCP through GPRS/3G, microwave, or Ethernet, and GPRS meters can communicate with the DCP through GPRS. If DCUs are deployed in sparse areas where cabling is inconvenient, the DCUs can communicate with the DCP through the GPRS/3G network. If there are many terminals, DCUs are distributed, and cabling costs are high, DCUs can connect to the application layer system through microwave to save costs. If DCUs are deployed in an area where cabling is convenient, the DCUs can communicate with the DCP in wired mode over a carrier network to ensure communication reliability.

The DCP communicates with devices at the data perception layer through DLMS, and DLMS is used between a DCU and DCP, between a DCU and PLC meters, and between GPRS meters and the DCP. A DCU communicates with the DCP through TCP/IP-based DLMS and communicates with PLC meters through HDLC-based DLMS. The DCP communicates with GPRS meters through TCP/IP-based DLMS.

Updated: 2019-03-07

Document ID: EDOC1100069579

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