[aprssig] KPC3+ TNC

Tom Hayward esarfl at gmail.com
Wed Aug 30 00:18:45 EDT 2017


Andrew,

If you check the archives, there's a nice thread about this about two
weeks ago. One of the interesting points made was that KISS protocol
specifies no flow control, yet these TNCs seem to be doing flow
control.

Tom KD7LXL

On Tue, Aug 29, 2017 at 9:11 PM, Andrew Rich <vk4tec at tech-software.net> wrote:
>
>>
>> I have been doing research on the suggested KPC3+ TNC delayed packets
>>
>> Drawing on my 30 odd years of playing with tnc my initial gut feeling was flow control
>>
>> I see it on my kpc9612
>>
>> It's not a bug
>>
>> It's the pc asserting rs232 signals
>>
>> I run minicom and assert the rs232 and I see data flow from ages ago stored up
>>
>> The obvious solution would be to loop CTS and RTS and turn off all HW flow control
>>
>> Anyone got a nicely working kpc3+
>>
>> Would like to buy one if this is not an issue
>>
>> Andrew
>>
>> Sent from my iPhone
>
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