====== FTS 2000A OCXO pinouts ======


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

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

Mark