Radio-frequency data transport infrastructure intended for the transmission of radio-frequency data to equipment , in a direction "of the downstream flow", and for the transmission of radio-frequency data from the equipment , in a direction "of the upstream flow", including a concentration and configuration box , N optical fibers and S interface boxes , said concentration and configuration box including: - a first device for frequency filtering, configured to, in the direction of the downstream flow, decompose a first signal, called entering signal (RF_in), into N sub-signals, called entering sub-signals (RF_in1, RF_in2, RF_in3), in N distinct sub-bands of frequencies, N an integer ≥ 2, - N modules for converting electric/optical signals , each conversion module being configured, in the direction of the downstream flow, to respectively convert an entering sub-signal into an optical signal, called entering optical signal, having a given wavelength (λ 1 ), said concentration and configuration box being coupled, via the N optical fibers , to the S interface boxes disposed in series, S an integer ≥ 2, each interface box including: - N 1x2 optical couplers , - N units for converting electric/optical signals , each optical coupler being configured, in the direction of the downstream flow, to respectively transmit a part of an entering optical signal to a unit for converting electric/optical signals , each unit for converting electric/optical signals being configured, in the direction of the downstream flow, to respectively reconvert an entering optical signal into an entering sub-signal (RF_in1, RF_in2, RF_in3), - a signal recomposition device, called second recomposition device , configured to recompose the entering signal (RF_in) from the N entering sub-signals (RF_in1, RF_in2, RF_in3) obtained by the N units for converting electric/optical signals . - a first device for frequency filtering, configured to, in the direction of the downstream flow, decompose a first signal, called entering signal (RF_in), into N sub-signals, called entering sub-signals (RF_in1, RF_in2, RF_in3), in N distinct sub-bands of frequencies, N an integer ≥ 2, - N modules for converting electric/optical signals , each conversion module being configured, in the direction of the downstream flow, to respectively convert an entering sub-signal into an optical signal, called entering optical signal, having a given wavelength (λ 1 ), said concentration and configuration box being coupled, via the N optical fibers , to the S interface boxes disposed in series, S an integer ≥ 2, each interface box including: - N 1x2 optical couplers , - N units for converting electric/optical signals , - N 1x2 optical couplers , - N units for converting electric/optical signals , each optical coupler being configured, in the direction of the downstream flow, to respectively transmit a part of an entering optical signal to a unit for converting electric/optical signals , each unit for converting electric/optical signals being configured, in the direction of the downstream flow, to respectively reconvert an entering optical signal into an entering sub-signal (RF_in1, RF_in2, RF_in3), - a signal recomposition device, called second recomposition device , configured to recompose the entering signal (RF_in) from the N entering sub-signals (RF_in1, RF_in2, RF_in3) obtained by the N units for converting electric/optical signals . - a signal recomposition device, called second recomposition device , configured to recompose the entering signal (RF_in) from the N entering sub-signals (RF_in1, RF_in2, RF_in3) obtained by the N units for converting electric/optical signals . <EOS>