Outdoor Loose cable type A-DQ(ZN)(SR)B2Y to be pre-terminated, with corrugated steel tape metallic armour, PE (polyethylene) outer jacket, 250 ?m primary coating of the fiber, longitudinal and transverse water penetration resistant. The corrugated steel tape offers a safer and more effective mechanical protection against rodents and compressive stresses. Optical fibers are kept together inside a thermoplastic tube filled with water-blocking gel to prevent moisture penetration.