USR-TCP232-302 User Manual
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Diagram 3.1.4-2 UDP Server Mode
3.1.5. HTTPD Client Mode
1) In HTTPD Client Mode, TCP232-302 send data to HTTP Server or receive data from HTTP Server,
complex HTTP protocol will be done by TCP232-302, it is convenient for user to programming.
2) TCP232-302 received data from HTTP Server will send to serial port without process.
3) According to demand, user can define HTTP content. If the request type is POST, TCP232-302 will add
Connection and Content-Length.
4
）
In HTTPD Client Mode, it supports GET and Post Function .
3.1.6. TCP and UDP Mechanism
TCP
UDP
Advantages
Stable;
Not easy to lose data package;
Reliable connection mechanism;
No connection mechanism;
Easy and flexible;
Transmission interval is accurate;
Disadvantage
Easy to block up Information;
Because of check and resend
mechanism, interval isn’t accurate
Under bad network condition, it is
high risky to losing data package
