[time-nuts] RS-232 Pin Outs for the Acron Zeit WWVB LCD Clock

Paul Alfille paul.alfille at gmail.com
Fri Jul 21 20:25:50 EDT 2017


I thought I could answer this question easily, since I had the cable right
at hand. But my continuity detector gave strange results.

I opened up the D-shell and found a small circuit board with diode,
capacitors and what looks like an ST358 op amp.

Paul Alfille

On Fri, Jul 21, 2017 at 4:27 PM, Philip Jackson <TimeNuts at philipjackson.com>
wrote:

> Does anyone have the serial pinout info for the Zeit clock?
>
> I have the clock but have mislaid the factory cable so will need to make
> up a replacement RJ11 to 9 pin D-sub cable.
>
> It would save me time if someone has already identified the TX,  RX and
> Ground connections on the RJ11 socket.
>
> Thanks.
>
> Philip
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