The device for protection of telephone wells. Driving.

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A simple device to control the opening of manholes covers telephone conduit with a length of up to 10 km route and the number of wells to 70. All protected track is divided into sectors from 1 to 4 kolodtsev.Pribor registers in which the sector was opening the lid of the well.
The device works without disconnecting from 2005 to enterprise networks Krivoy Rog. for all the time it was suppressed more than 10 access attempts in the wells.


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