[time-nuts] Problems with TAPR Oncore M12+ kit

Dave Mallery dave.mallery at gmail.com
Tue Jul 4 13:37:31 EDT 2017


... btw,  the cable is correct as documented.

 and mark will send you a link to LH v6

dave

On Tue, Jul 4, 2017 at 10:36 AM, Dave Mallery <dave.mallery at gmail.com>
wrote:

> hi chris
>
> i could not get TXD to flash till i connected the unit to Lady Heather
> V5.01.
>
> once the unit was communicating with the LH program (much serial wizardry)
> all was well.
>
> 73
>
> dave k5en
>
> On Mon, Jul 3, 2017 at 9:52 PM, Chris Waldrup <kd4pbj at gmail.com> wrote:
>
>> Has anyone else received a unit they can't get to work?
>> I got my unit finally boxed up a few weeks back. The PPS LED flashes and
>> power LED and RXD LED's light but the TxD doesn't.
>> I've ordered replacement MAX chips and 74ACT04 chips from Digi-Key but
>> this didn't solve the problem.
>> As a next step I've found a Oncore M12 board on eBay coming from China
>> and this should come in a few weeks.
>> No serial communications unfortunately.
>> I've also tried swapping pins 2 and 3 on the DB9 just in case RX and TX
>> were swapped (although I had originally built the cable as per the
>> schematic with the kit) but still no luck.
>> Thanks for any comments.
>>
>> Chris
>> KD4PBJ
>>
>> > On Apr 29, 2017, at 11:10 AM, Chris Albertson <
>> albertson.chris at gmail.com> wrote:
>> >
>> > On this product people are going to want holes drilled and I think a "D"
>> > shape hole for the DB type connector.   The holes would allow easy
>> clamping
>> > but in a two step operation.    If I were making these I'd first clamp
>> the
>> > stock over a pair of 123 blocks, mill the holes, then after I hade a
>> batch
>> > of these made,  hole the holes to hold the part a fixture and then mill
>> the
>> > edges.
>> >
>> > But that said, I could make a pair of these by hand with hack saw, file
>> and
>> > drill press in about 15 minutes.
>> >
>> >
>> >
>> >> On Fri, Apr 28, 2017 at 1:41 PM, Jerry Hancock <jerry at hanler.com>
>> wrote:
>> >>
>> >>
>> >> Generally, the way I mill plates such as these is I surface a piece of
>> >> scrap and then glue (using superglue) the stock down onto the scrap.
>> I can
>> >> then machine around the edges without worrying about clamping.  With
>> >> pockets though, the torque even when ramping down might break the part
>> >> loose.
>> >>
>> >
>> > --
>> >
>> > Chris Albertson
>> > Redondo Beach, California
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>
>
>
> --
> Dave Mallery, K5EN                 (ubuntu linux 16-10)
> PO Box 15                              Ophir,  OR  97464
>
>       linux counter #64628 (since 1997)
>
>
>
>


-- 
Dave Mallery, K5EN                 (ubuntu linux 16-10)
PO Box 15                              Ophir,  OR  97464

      linux counter #64628 (since 1997)


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