Optotelecommunication station cables, multi-fiber, distribution. W-NNOTKSd () - internal cable (W), with outer coating of halogen-free (N) material, non-halogen coating (H), optotelecommunications (OTK), multi-fiber station with tight tube (S), completely dielectric (d) , distributing (()) - Number of modules times the amount of optical fibers in the module eg (4x4).Construction:Optical fiber:Singlemode (J)Singlemode with non-zero offset dispersi..