Testing Terminals and COM ports to find the configuration with a Benedict Computer DLM200

If you do not know the speed and bit configuration of a terminal, or COM port on a PC the following method will help you quickly get the parameters set.

1) Turn on the DLM200 and attach the single male connector on the included ribbon cable to the DLM200. Attach the other end, Male or Female to the terminal. Now the terminal is only attached to the DLM200. Type an "A" on the terminal. The DLM200 will tell you which line it is receiveing data on. For example "Framing error on TD(2)".

2) The DLM200 will tell you whether to hit "W" or "A" to autoconfigure. Hit which ever key it says. The DLM200 will now say waiting for Data.

3) Now on the terminal, or terminal emulation program, hit alternate "a" and "c". Within 20 characters the DLM200 will tell you speed and bit configuration and begin capturing data. If you did not see the speed, simply hit the MENU key on the DLM200 and you will see the correct settings.

Exercising Serial Terminals by transmitting data

1) Using a NULL MODEM connector (or use the included break out box to swap pins 2 and 3) between the DLM200 and the terminal, after you have set your speed correctly (above), just hit "O". This will put you into the output screen with all defaults set. Now just hit the START/STOP button and the DLM200 will attach its transmitter to pin 2, the null modem will swap the output to pin 3 and the data will go to the terminal and you will see the alphabet on the screen.

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