Chonghan CH-D3 Series, User Manual

Page: 5 / 18

CAI JINYONG
2018-3-30
CHONGHAN CH-D3 WIRELESS DTU USER MANUAL
页
5
Contents
Important Notice ............................................................................................................................... 3
Safety and Hazards ............................................................................................................................ 3
Limitations of Liability ....................................................................................................................... 3
Copyright ........................................................................................................................................... 4
Trademarks ........................................................................................................................................ 4
Contact Information .......................................................................................................................... 4
Contents ............................................................................................................................................ 5
1. Overview ................................................................................................................................... 7
1.1. Document History ..................................................................................................... 7
1.2. References ................................................................................................................. 7
1.3. Abbreviations ............................................................................................................ 7
1.4. Products List .............................................................................................................. 8
1.5. Presentation Rules .................................................................................................... 8
1.6. Character Type .......................................................................................................... 8
1.7. AT+I Command Syntax ............................................................................................... 8
2. Introduction .............................................................................................................................. 9
2.1. Features ..................................................................................................................... 9
2.2. Application ................................................................................................................ 9
3. Basics ....................................................................................................................................... 10
3.1. Hardware Connection ............................................................................................. 10
3.2. Software Tools ......................................................................................................... 11
3.3. Mode Switch Command .......................................................................................... 11
4. Configure DTU ......................................................................................................................... 12
4.1. TCP Transmit ............................................................................................................ 12
4.1.1. TCP Client Always Online ................................................................................. 12
4.1.2. TCP Client Trigger online ................................................................................. 12
4.1.3. TCP Client Step by Step ................................................................................... 12
4.1.4. TCP Server ....................................................................................................... 12
4.2. UDP Transmit ........................................................................................................... 13
4.2.1. UDP Always Online .......................................................................................... 13
4.2.2. UDP Trigger Online .......................................................................................... 13
4.2.3. UDP Step by Step ............................................................................................. 13
5. Common Function ................................................................................................................... 13
5.1. Ping .......................................................................................................................... 13
5.2. Baud Rate ................................................................................................................ 14
5.3. Setup APN or VPDN ................................................................................................. 14
5.3.1. Setting APN Configuration ............................................................................... 14
5.3.2. Setting VPDN Configuration ............................................................................ 15
5.4. Transmit Mode ........................................................................................................ 15
5.5. Hardware Flow Monitor .......................................................................................... 15
5.6. Software Flow Monitor ........................................................................................... 16