Comm Echo is a FREE debug tool for Serial Port, TCP/IP and UDP communication.

Features:

Display all received data in Text, Hex or Decimal format
Support Serial Port, TCP/IP Server, TCP/IP Client and UDP
Enumerate all available serial port on computer

Requirement:

Windows XP, Windows Vista, Windows 7
.Net Framework 2.0

How to Use

1. Download CommEcho.zip and unzip it.
2. Run CommEcho.exe.
3. Click "Setting" button to set the Endpoint. The Endpoint could be a serial port, TCP/IP server, TCP/IP client or UDP.
4. Click "Start" button to open the Endpoint. It begins to display all received data.
5. Click "Stop" button to close the Endpoint.

Tips: Comm Echo can save the current endpoint setting before it close. It will restore the setting when it runs next time.