[ntp:questions] Very large jitter and offsets on GPS ref clock after upgrade to "p5"

David Woolley david at ex.djwhome.demon.invalid
Mon Jan 9 22:00:27 UTC 2012


Chris Albertson wrote:

> 
> Solution:  Don't do RS-232 over cat-5.  Move the computer.  Use a two foot
> serial cable and then the same cat-5 cable for a network connection.

RS 422 (balanced) and RS 423 (unbalanced) are intended for such purposes.



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