Interfacing Circuits

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The following circuits may be used separately or in conjunction with the remote alert circuit

 

 

 

 Serial interface for Morse keyer

 

 

 

 

 

Parallel interface for Morse keyer

 

 

 

If you are using a serial port for keying then you may use any port whether it is capable of interrupt driven operation or not. If you have COM 3 or 4, then I suggest you use one of them, leaving COM 1 and 2 free for other more demanding interfaces such as the TNC and transceiver computer links.

 

This topic was last edited on  Monday, 03-Jul-2023,  at  23:57