Chonghan CH-D1 Wireless DTU Quick Start Guide

About this manual

This guide provides a brief overview of the CH-D1 Wireless DTU, its purpose, and important safety warnings. It explains that the device must not be used near explosive areas, medical equipment, aircraft, or any environment where radio interference could cause hazards.

The manual describes how to configure the DTU using AT commands, set up TCP/UDP communication modes, adjust baud rates, and monitor hardware/software traffic. It also includes basic troubleshooting steps and contact information for Chonghan Technology. This manual is written in Chinese.

What's inside

• 重要提示
• 安全及危害
• 责任限制
• 概述
• 测试指令
• AT 类命令
• 设定 DTU
• TCP 通讯模式
• UDP 通讯模式
• 硬件流量监控

Specifications

Frequently asked questions

What areas should the Chonghan wireless DTU not be used in?

It must not be used in explosive operation areas, near medical or life‑support equipment, on aircraft, or any place where radio interference could affect other devices.

How do I set the baud rate for the DTU?

Set the serial port parameters to 9600 baud, 8 data bits, no parity (8N1) as shown in the manual.