[ntp:questions] almost decided which new PPS GPS to buy
snews at lordynet.org
Mon Mar 5 16:52:47 UTC 2012
Ron Frazier (NTP) wrote:
> On 3/5/2012 9:45 AM, Chris Adams wrote:
>> Once upon a time, Ron Frazier (NTP)<timekeepingntplist at c3energy.com>
>>> 2) Motherboard header - DB-9 port adapter
>> Note that there are two different pinouts common for this. IIRC they
>> all have the same mapping of motherboard header pin number to serial
>> port pin number, but one numbers the header pins in rows and the other
>> in columns.
> Thanks for bringing that to my attention! AARG! Not yet ANOTHER non
> standard connector. I didn't know that. Here's what the manual says my
> motherboard com port connector looks like. Each pin is an X:
> 9 X X X X X 1
> X X X X 2
> 1 = DCD
> 2 = Rx
> Can anyone tell me the right adapter to bring it out to the rear panel.
> I usually like to purchase on Amazon.
It depends on your motherboard so you need to order the
cable plug and D9 plug for that particular board. I usually
find I have the correct combination but if not it's usually
cheaper and quicker to make a suitable cable assembly.
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