TA 2000 

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TA-2000 Datotek
Model: 510-0712-107 Rev. L

This is an encryption unit for the switched telephone network or a radio communication link.  The interface network is in the base of the AT&T phone while the encryption unit ( DNV-2000) is in a separate enclosure.

Does anyone have more info? Contact: jerry.proc@sympatico.ca

TA2000 photos courtesy E-bay

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Credits and References:

1)
 

April 25/09