[time-nuts] Re: VT100 Terminal: Symmetricom TimeSource 3500

[Adam Kuzych]

Thanks to all.

I have had the fortune of a contact from an anonymous subscriber who has
left me with all the missing details now.

I'll test this out and my report back, but consider this discussion closed
for now, and please reach me directly if experiencing this same problem.



On Tue, Nov 12, 2024 at 1:24 PM Mahlon Haunschild via time-nuts <
time-nuts at lists.febo.com> wrote:

> If you have the cable shield (not signal ground) connected at both ends,
> cut one end.
>
> Best regards
>
> Mahlon - N4ZK
>
> > On Nov 12, 2024, at 12:05 AM, Joe Dempster via time-nuts <
> time-nuts at lists.febo.com> wrote:
> >
> > Try switching the RX/TX (2 and 3 pins) order.
> >
> > Joe Dempster
> > +1 908 413 2889 (m)
> >
> >
> >> On Mon, Nov 11, 2024 at 14:18 Adam Kuzych via time-nuts <
> >> time-nuts at lists.febo.com> wrote:
> >>
> >> I have a Symmetricom TimeSource 3500 of unknown origin that appears to
> boot
> >> correctly, by LED action, and operates the Rb 10MHz output, but is
> perhaps
> >> undisciplined by GPS.
> >>
> >> I've read through the manual extensively, and have copied the craft port
> >> pinout to the working serial port on an ancient Windows XP computer
> running
> >> Hyperterminal VT100, 9600 8N1.
> >>
> >> I've tried adding an unnecessary null, and tried access as well to the
> >> DB-25 rear serial connector, null in and out there too, without
> success. No
> >> joy in PuTTY on a modern PC either.
> >>
> >> I've done plenty of terminal into other obsolete gear of this era, and
> >> never had these problems with this much effort. Could someone reach me
> who
> >> has had success on this model series?
> >>
> >> Opening it up, there doesn't appear to be any factory reset switch or
> any
> >> memory battery to pull here.
> >>
> >> I may be able to try something Wireshark to the ethernet port, but I
> don't
> >> think they intended that access for control on this model.
> >>
> >>
> >>
> >> Adam VE6WMR
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> >>
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