Overview

This guide explains how to configure WiFi settings on following devices to use customer's WiFi network

 

Supported DTU Models

 

Only following two models support WiFi configuration: M5_LITE and S3_RELAY

M5_LITE

Standard DTU device
Features:
- Web configuration interface
- Two Relay ports
- 2.4GHz WiFi support

 

 

S3_RELAY

Single Relay with following Features:
- Web configuration interface
- One Relay port
- 2.4GHz WiFi support

Automatic AP Mode Entry

The device will automatically enter AP (Access Point) mode under these conditions:

Failed to connect to WiFi ssd circumvend(This is the default WiFi used by DTU) or any pre-configed WiFi network. 

When in AP mode:

If DTU failed to connect to WiFi network,  it will turn on AP mode and provide WiFi network:

  • SSID: "DTU_XXXXXXXX" (XXXXXXXX = device IMEI)
  • Default Password: circumvend19731
  • AP IP Address: 192.168.123.1
  • Configuration Steps

 

How to config

1. Connect to Device WiFi

        1): On Mobile phone, go to Settings then WiFi
        2): Find the DTU networks in the WiFi list:
      • SSID: "DTU_XXXXXXXX"
      • Password: circumvend19731

        3): Tap to select the network
       4): Enter WiFi password: circumvend19731
       5): Tap "Join" or "Connect"
 

2. Access Configuration Interface

 

  • Open a web browser Navigate to 192.168.123.1
  • Click "Wi-Fi Settings"
  • Configure WiFi settings: Select the network you want to use from the scanned SSID list, for example: TPG056D

  • Enter the network password
  • Submit the form Device will save settings and restart. If everything correct, the DTU will connect to WiFi TPG056D
 

Troubleshooting

Connection Issues

If connection fails:

It normally caused by following common reasons: 

  • Incorrect password
  • Network out of range: For WiFi Devices, need 4 bars signal to work stable.
  • Network band compatibility, currently our DTU only support 2.4GHz WiFi not 5GHz.
  • Network security type compatibility, make sure your WiFi Router Access Point (AP) Security configured to support WPA/WPA2