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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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GPRS Meter Parameter Plan

GPRS Meter Parameter Plan

GPRS meters and the DCP establish connections using GPRS and communicate using TCP/IP-based DLMS. Table 6-12 describes GPRS meter parameters.
Table 6-12  GPRS meter parameter plan

Item

Parameter

Description

Profile parameters

Device model

The value is composed of the communication protocol name plus the device model, for example, GPRS-DLMS-CL730D21H, GPRS-DLMS-CL730D21L, and GPRS-DLMS-CL730S11.

ESN

The ESN is the 20-digit code of a GPRS meter and consists of letters and digits.

SN

The value is the 11-digit or 12-digit code of a GPRS meter before delivery.

Asset name

Name of a GPRS meter. The value is user-defined based on the actual name and cannot contain special characters.

Factory code

Name of the manufacturer. For example, the EEM supports the CLOU's GPRS meter profile, so the value of this parameter is CLOU.

Organization name

Name of an organization that a GPRS meter belongs to. If the organization name is not specified during GPRS meter profile creation, the GPRS meter belongs to the organization default by default. After the profile is created, the organization can be changed.

Communications parameters

Logical Device Name

The value consists of HWT1 plus a string of 12 digits. If the SN of a DLMS meter is a string of 12 digits, the system appends HWT1 before the SN to generate a logical device name. If the SN of a DLMS meter is a string of 11 digits or letters, the system appends HWT1 before the SN and 0 after the SN.

Password

Low-level encryption key

The low-level and high-level authentication passwords used for communication between GPRS meters and the DCP contain 6 to 16 characters that allow only letters and digits. The passwords can be configured based on site survey data. If the passwords are not configured, the default password Admin@huawei is used.

High-level encryption key

Authentication level

Authentication level used for communication between GPRS meters and the DCP. There are three authentication modes: high-level authentication, low-level authentication, and non-authentication.

Encryption algorithm

Encryption algorithm used for communication between GPRS meters and the DCP. The value can be Advanced Encryption Standard (AES)-128, AES-256, or Secure Hash Algorithm (SHA)-256. You can specify an encryption algorithm based on the network situation.

DCP IP

The value is the IP address of the DCP to which a GPRS meter belongs. When a DCP in the single-node system is used, the IP address is the DCP's IP address. If a DCP cluster is deployed, the value is the external IP address of the load balancer of the DCP cluster.

DCP port

Port number used by the GPRS meter to exchange with the DCP.

APN

APN type

APN type used by the GPRS meter to connect to the carrier network. Select the value based on the network type.

Username

APN user name used by the GPRS meter to connect to the carrier network, which can be user-defined.

Password

APN password used by the GPRS meter to connect to the carrier network, which can be user-defined.

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Updated: 2019-03-07

Document ID: EDOC1100069579

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