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Configuration Guide - WLAN-AC

S5700 and S6720 V200R012C00

This document describes the configurations of WLAN, including WLAN Service Configuration, Radio Resource Management, Roaming, WLAN QoS, WLAN Security, WDS, Mesh, Location, Hotspot 2.0, Dual-Link Cold Backup, N+1 Backup.
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Overview of the Enterprise IoT Solution - Energy Efficiency Management

Overview of the Enterprise IoT Solution - Energy Efficiency Management

Scenario Overview

Energy consumption costs enterprises a lot of money and is not environment-friendly. Enterprises want to use automatic means to achieve environmental protection, save energy, and reduce energy costs.

To meet these requirements, Huawei provides an energy efficiency management IoT solution to implement centralized monitoring and intelligent control over electrical appliances such as lighting devices and air conditioners in buildings. In this way, the enterprises can collect statistics on the overall energy consumption of the buildings in real time for analysis, and take effective measures to adjust energy usage to prevent energy waste and improve economic benefits.

Solution Benefits

This solution brings the following benefits:
  • Enterprises can use automatic means to achieve environmental protection, save energy, and reduce energy costs.
  • A WLAN can be reused as an energy efficiency management IoT network to achieve network integration, reduce network deployment and maintenance costs, and help administrators centrally manage the network.

Network Architecture

As shown in Figure 26-1, the network architecture of the energy efficiency management IoT solution consists of the terminal layer, access layer, network layer, and application layer.
Figure 26-1  Network architecture
  • Terminal layer

    Sensors and smart switches are deployed at this layer. Common sensors include temperature sensors, light sensors, infrared sensors, and airflow sensors.

  • Access layer

    ZigBee cards are located at this layer.

  • Network layer

    APs, IoT gateways, switches, and ACs are deployed at this layer.

  • Application layer

    The Building Energy Management System (BEMS), Enterprise Energy Module (EEM), and EEM boost tools (EBT) are deployed at this layer/

Related Products

Table 26-1  Related products

Device

Function

Vendor

AP

Provides slots for ZigBee cards to connect to the WLAN.

An AP converts uplink packets received from ZigBee cards through the serial port into Ethernet packets, and sends the packets to an IoT gateway. An AP can also convert downlink data received from an IoT gateway into serial port data and transparently transmit the data to the ZigBee cards.

Huawei

Only the AP4050DN-E, AP7052DN, and AP7152DN can be used.

AC

Manages APs, delivers configurations to them, and works together with them.

Huawei

Switch

It is used to build a networking structure and forward packet data on the network.

Huawei

BEMS

Allows users to deliver energy efficiency management configurations, and completes energy efficiency management and monitoring based on data reported by an IoT gateway.

Honeywell or iSoftStone
EEM

Converts energy efficiency management configurations to energy efficiency management policies and sends the policies to an IoT gateway. EEM is a component of the Agile Controller that needs to be deployed.

Huawei

Server Used to deploy the BEMS and corresponding database.

Hardware: at least 12-core CPU, 16 GB memory, provided by Huawei

Operating system: Windows Server 2008 R2 Enterprise 64-bit, prepared by customers

Browser: Internet Explorer 8.0 or higher, prepared by customers

IoT gateway

Receives data from sensors and energy efficiency management policies delivered by the EEM, matches energy efficiency management policies based on sensor data, and delivers the policies to the sensors through ZigBee cards.

Huawei

Only the AR169RW-P-M9, AR502EGRz-L, and AR502EGRz-Lc can be used. A Niagara container needs to be installed on the IoT gateway.

ZigBee card

Communicates with sensors through ZigBee radios and connects to an AP through the mini PCIe port.

Huawei

Sensor

Collects surrounding environment data and sends the data to the IoT gateway. Sensors are deployed in office areas.

Fenjin

Smart switch

Performs energy efficiency management operations, such as turning on or off a lamp.

Huawei

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Updated: 2018-12-24

Document ID: EDOC1100038361

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