[ntp:questions] NTP + PPS on Atom motherboards

Thomas Laus lausts at acm.org
Wed Aug 1 23:06:10 UTC 2012


On 2012-08-01, Hahn, Ron <ron.hahn at fmr.com> wrote:
> Chris,
>
> Thank you for these helpful advises. I am recalling many years ago
> there were such things as line transceivers that converted the
> signals from TTL-RS232 and backwards.  Do these still exist in the
> world and have you perhaps these part numbers?  I am thinking this
> is the only thing left to try. Except possibly changing the PPS
> pulse width.  Maybe with the Fat PPS board?  This is reminding me of
> the old days. Printers and Terminals! :)
>
Ron:

All of my Oncore / Atom installations are using various TAPR interface
boards to go from TTL to 'true' RS-232.  You never stated that your
Atom boards were not running at RS-232 levels.

Tom

-- 
Public Keys:
PGP KeyID = 0x5F22FDC1
GnuPG KeyID = 0x620836CF



More information about the questions mailing list