Daktronics

How do I perform a loopback test using HyperTerminal to test a serial communication system?

Potential Symptoms

How do you perform a loopback test using HyperTerminal to test a serial communication system?

Environment

  • Product Family: Message Displays
  • Product:
  • Component: HyperTerminal, Windows XP, Serial Communication
  • Control System:

Resolution

  1. Open HyperTerminal by going to start -> All programs -> Accessories -> Communications -> HyperTerminal.
  2. Create a connection name and click OK.
  3. Click the drop down next to "Connect using:" and select the appropriate com port, click OK.
  4. Port settings can be left on default with the exception of "Flow control:" click the drop down and set this option to None, click OK.
  5. Setup the loopback within the system and type a message using the computer's keyboard.
    • If you are able to see what you are typing, the loopback is passing.
    • If the box remains blank, the loopback has failed.

Additional Note

  • If using a Lantronix box, follow the above steps, except choose "TCP/IP (Winsock)" for connect using and enter the box's IP address for the "Host address:" line and 3001 for the "Port number:" line

KB ID: DD1994747

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