central tube Russia

...Optical cable for backbone networks with a central tube with up to 48 optical fibers, with an armor of round steel wire and outer PE sheath. Operational temperature of the cable is from -40°С to 70°С. Arctic version: from -60°С to 70°С. Minimum temperature for installation is -30°С. The number of fibers in the cable:up to 48 Tensile force :up to 80 kN Crushing force:from 400 N/cm Fire-safe:+ Rodent protection:+...