Fiber Raceway 4x8 Ladder Rack (or Unistrut) Mounting Kit Route, protect, and store fiber cabling with Leviton's Fiber Raceway System. The easy design, easy to configure, easy to install cable management system provides a dedicated path for critical network cabling. Fiber Raceway is an ideal solution in data centers, head ends, telecom rooms, and wiring closets - virtually any application that requires fiber cable protection or segregation.