[time-nuts] Datum OT-20 "Office Time"

paul swed paulswedb at gmail.com
Tue Feb 15 04:08:24 UTC 2011


Peter you sure run across the craziest things. The odetics and now this.
I might guess it listened to the cel phone tower timecode maybe? Most likely
the old 900 mc stuff. They decommissioned all of that making that unit
useless.
Totally guessing here.
Someone will know.
Regards
Paul
WB8TSL

On Mon, Feb 14, 2011 at 10:12 PM, Pete Lancashire
<pete at petelancashire.com>wrote:

> Just got one of these out of the recycle of a office building being
> gutted. It was the only thing in the scape drop box I could find.
>
> 2 RU rack unit runs off 48 VDC
>
> The pleasant surprise is it contains a Efratom LPRO-101.
>
> The TNC marked ANTENNA goes to a Datum board called a "TIME EXTRACTOR"
>
> Status lights on the front are
> POWER/ACTIVE/CDMA/INPUT/HOLDOVER/MINOR/MAJOR/CRITICAL and a DB-9
> COMM-C
>
> https://picasaweb.google.com/111617808980322733757/OT20#
>
> sorry for the bad picts
>
> My guess is the TIME EXTRACTOR does such for someones CDMA network ?
>
> Anyone know about this thing ?
>
> -pete
>
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