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Single mode color coded fibers, filled color coded loose tubes, PE filler (if necessary), SZ-stranded around the non-metallic central strength member, jelly filled, core wrapping tape, messenger wire and outer PE jacket. | KRONE TECHNICAL SPECIFICATION FOR Optical Fiber Cable Loose Tube Jelly Filled Core Single Jacket Figure-8 SINGLE MODE ITU-T G.652 or G.652C P N N0XXLTSF8010 KRONE 1. SCOPE 1.1 Application This specification covers the general requirements of optical cable for aerial application. 1.2 Cable Description Single mode color coded fibers filled color coded loose tubes PE filler if necessary SZ-stranded around the non-metallic central strength member jelly filled core wrapping tape messenger wire and outer PE jacket. 2. OPTICAL FIBER The optical geometrical mechanical and environmental performance of the optical fiber shall be in accordance with Table 1 below. Table 1. Performance of Single Mod e Fiber ITEMS UNITS SPECIFICATION ITU-T G652A ITU-T G652C Attenuation Coefficient At 1310nm At 1383nm At 1550nm dB km 0.36 - 0.22 0.36 0.36 0.22 Chromatic Dispersion ps nm.km 3.5 at 1285nm 1330nm 18 at 1550nm Zero Dispersion Wavelength nm 1301.5 1321.5 Zero Dispersion Slope ps nm2.km 0.093 Polarization Mode Dispersion ps Vkm 0.5 Cut-off Wavelength .cc nm 1260 Macrobending Loss at 1550nm 37.5 mm radius x 100turns dB 0.5 Mode Field Diameter pm 9.2 0.4 at 1310nm 10.5 1 at 1550nm Mode Field Concentricity Error pm 0.5 Cladding Diameter pm 125 2.0 Cladding Non-circularity 1 Coating Diameter pm 245 5 Proof Test Level kpsi 100 Coating Strip Force typical N 1.0 9.0 Effective Group Index typical - 1.4676 at 1310 nm 1.4682 at 1550 nm The sampled attenuation average at this wavelength shall be less than or equal to the value specified at 1310 nm after hydrogen ageing according to IEC 60793-2-50 regarding the B1.3 fiber category. 3. CABLE CONSTRUCTION 3.1 Figure-8 type Self-supporting Aerial Cable Table 2. Construction of the Cable ITEMS DESCRIPTION Number of Fibers 12 96 Number of Fibers in a Tube 6 or 12 Loose Buffer Tube PBT Polybutylene Terephthalate Filling Compound in Loose Buffer Tube Thixotropic Jelly Compound Filler Polyethylene rod if necessary Central Strength Member FRP Fiberglass .
