Brand HDL models 50/5 core number 100 largest wire diameter PVC jacket material 53 (mm) use voice communication trunk line core material CU Product Certification CCC custom processing network cable length 1000m Product Description Category: large number of cables Product Name: Shenzhen Hengtong 50 pairs of large number of cables Category: large number of cables are generally divided into three categories of large number of large number of classes and 5, is divided into: five pairs 10 pairs 20 pairs 25 pairs 30 pairs 50 pairs 100 pairs 200 pairs 300 pairs. Unshielded and shielded Type: HYA / HYV 50 * 2 * 0.5 Structure: ※ Conductor: oxygen-free copper, tin copper, copper clad aluminum ※ diameter: diameter of 0.5mm ※ Insulation: solid core of high density polyethylene HDPE, ROHS ※ Sheath: Polyvinyl chloride PVC, LSZH, environmental protection, fire ※ Length: 305 meters generally use / axis, 500 m / axis the core surface with a non-hygroscopic or non-woven polyester tape wrapping After coupled with tidal metal shielding tape longitudinally. Chromatography: insulated single twisted pair With centripetal (10 pairs, 20 pairs) or units of the formula (30 pairs and above) stranding, the same tie the color of each sub-unit of the basic unit, the basic unit of each tie color press Full Chromatography requirements order. :( Shield shielded) drain wire + aluminum foil wrap or aluminum foil + braid longitudinally performance: compliance with EN50173-1 and ISO 11801: 2002 requirements. Adopt IEC international standards and YD / T1019-2001 industry standards, similar products meet international standards. Quality Certification: UL / ISO-9001 / ROHS transmission frequency: 100MHz, and supports duplex application execution standards: YD / T1019-2001, Q / AXD-H-001 2002 Purpose: General large number of cables in weak engineering do voice trunk used for voice systems. Three telecommunications backbone cabling.