A rope is described for a tropospheric aeolian generator composed, in length, of at least one first sector adapted to resist to repeated flexure cycles, having a safety coefficient, a diameter D and an aerodynamic resistance coefficient ; at least one second sector adapted to resist to repeated traction cycles with great load, having a safety coefficient S2<S1 and a diameter D<D. In enabling the remote management of a network, embodiments of the invention provide limited access to service providers through a firewall, without the need to modify the configuration of the firewall. The system reads the data from the first buffer and selectively processes the data based on the forward flow control signal. Therefore, metal-to-metal capacitors can be used in PLD configuration memory cells where they might be impractical in simple memory arrays. The imaging apparatus includes: the zoom illuminating system; a zoom lens system including a plurality of lens groups and zooming an image of an object as a distance between the plurality of lens groups varies.