TNC-pi

J Mathieson
 

With the closing of Costal Chip Works, I am at lost on this issue.   I have a TNC-Pi connected to Pi3 being used with BPQ32.  The packet seems to work.  Of late I noticed the red ptt led does not light.  The unit transmits and keys the radio so the ptt circuit is woring.  I have checked the led and it is fine.  Anyone else have this happen?  

Thanks

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