[ntp:questions] Re: PPS kit and Spectracom TTS240rb

davids at webmaster.com davids at webmaster.com
Mon Jul 17 21:16:14 UTC 2006

abrown at mlp.com wrote:

> I'll be sure to tap RedHat about the PPS kit for ES4, but they're
> typical answer for such requests is wait for  the next release. I'll
> see what I can do with PPSkit lite if that is the case.

You do not need PPS support in the kernel to use a PPS output on Linux.
Linux has TIOCMIWAIT in the kernel by default. While it's not as good
as kernel support for a PPS output, it's more than good enough for most



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