[ntp:questions] OT: GPS18x LVC failure

Uwe Klein uwe_klein_habertwedt at t-online.de
Sun Oct 11 16:57:37 UTC 2009


David J Taylor wrote:
> Inconsistent with the technical specification, which says 0..+5V, but 
> consistent with what I measured.

Hmm,
RS232 line idle is TX active/high.
TX being inverted that tranlates to nominally -12V
( i.e  -3 ... -25 at the receiver )

uwe




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