USR-TCP232-306 User Manual Technical Support: h.usriot.com
Jinan USR IOT Technology Limited 2
Contents
USR-TCP232-306 User Manual ...........................................................................................................................1
Features .....................................................................................................................................................................3
1. Get Start .................................................................................................................................................................4
1.1. Application Diagram ................................................................................................................................4
1.2. Hardware Design ......................................................................................................................................5
1.2.1. Hardware Dimensions .................................................................................................................5
1.2.2. DB9 Pin definition .........................................................................................................................5
1.2.3. RS422/RS485 Pin definition .......................................................................................................6
1.2.4. LED...................................................................................................................................................6
2. Product Functions ...............................................................................................................................................7
2.1. Basic Functions .........................................................................................................................................7
2.1.1. Static IP/DHCP ...............................................................................................................................7
2.1.2. Restore default settings ...............................................................................................................8
2.1.3. Upgrade Firmware Version .........................................................................................................8
2.2. Socket functions .......................................................................................................................................9
2.2.1. TCP Client .......................................................................................................................................9
2.2.2. TCP Server ....................................................................................................................................10
2.2.3. UDP Client .................................................................................................................................... 11
2.2.4. UDP Server ...................................................................................................................................13
2.2.5. HTTPD Client ...............................................................................................................................14
2.3. Serial port ................................................................................................................................................14
2.3.1. Serial port basic parameters ....................................................................................................14
2.3.2. VCOM Application .......................................................................................................................15
2.3.3. Serial Package Methods .............................................................................................................15
2.3.4. Baud Rate Synchronization .......................................................................................................15
2.4. Features ....................................................................................................................................................16
2.4.1. Identity Packet Function ............................................................................................................16
2.4.2. Heartbeat Packet Function .......................................................................................................17
2.4.3. Editable Web server ....................................................................................................................17
2.4.4. Reset function ..............................................................................................................................17
2.4.5. Index function ..............................................................................................................................18
2.4.6. TCP Server setting .......................................................................................................................19
2.4.7. Non-persistent Connection .......................................................................................................20
2.4.8. Timeout Reset function .............................................................................................................20
3. Parameter Setting..............................................................................................................................................21
3.1. Setup software Configuration ...............................................................................................................21
3.2. Web Server Configuration ....................................................................................................................21
3.3. AT Command ...........................................................................................................................................22
3.3.1. Serial AT Command ....................................................................................................................22
4. Contact Us ............................................................................................................................................................23
5. Disclaimer ...........................................................................................................................................................23
6. Update History ...................................................................................................................................................23
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