Mark Sims
Fri, 20 Jun 2008 17:35:30 -0700

Here are the pinouts of the FTS 2000A OCXO jumper board in my 4060M/S24 cesium 
beam unit.
This board makes the 2000A look like a Datum 1000 OCXO.
Datum 1000 pinouts and definitions are from Brooke Clark's PRC68.COM web site.
The FTS-2000A coax connects to an SMB connector.

FTS 2000A      Datum        
10pin+coax      DB9      Function
------------    ---------    -----------------
1,2                   8          +26V power
3                      2          EFC
4                      1          Electronics GND
5                     N/C
6                     N/C
7                      5          Oven GND
8                      1          Electronics GND
9                      6          Oven monitor
10                    3          Coarse tune in (+15V pwr) 
                     4=N/C     +12V ref (coarse tune hot)
                     7=N/C     +24V oven power

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