Single and 50 or Multi mode color coded fibers, jelly filled color coded loose tubes, PE filler (if required), water swellable yarn around the central strength member, SZ-stranded around the dielectric CSM, water swellable tape, outer strength member, inner PE jacket, water swellable tape, corrugated steel tape armor and outer PE jacket. | 8 KRONE TECHNICAL SPECIFICATION Cable Specification No. KGST-2002-014 OPTICAL FIBRE CABLE LOOSE TUBE JELLY FILLED DOUBLE JACKET SINGLE ARMORED LTD ARM CABLE IÏIkrone 1. SCOPE Application This specification covers the general requirements for fiber optic telecommunication cables used for inter-building backbone in duct direct buried and lashed aerial installation. Cable Description 1 Jelly Filled Double Jacket Single Armored Rodent Protected Cable Single and 50 or Multi mode color coded fibers jelly filled color coded loose tubes PE filler if required water swellable yarn around the central strength member SZ-stranded around the dielectric CSM water swellable tape outer strength member inner PE jacket water swellable tape corrugated steel tape armor and outer PE jacket. 2. OPTICAL FIBER The optical geometrical and mechanical performance of the optical fiber shall be in accordance with Table 1 and 2 below. Table 1. The Optical Geometrical and Mechanical Performance of the Multi Mode Fiber ITEMS UNITS SPECIFICATION 50 Multi Mode Multi Mode Attenuation dB km at 850nm at 1300nm at 850nm at 1300nm Bandwidth MHz. km 400 at 850nm 600 at 1300nm 200 at 850nm 400 at 1300nm Numerical Aperture - Core Diameter pm 50 Core Non-circularity Cladding Diameter pm 125 125 Cladding Non-circularity Core Cladding Concentricity Error pm Coating Diameter pm 245 15 245 15 Proof Test Kpsi 100 100 Note Superior performance available upon request. PAGE 2 OF 8 IÏIkrone Table 2. The Optical Geometrical anc Mechanical Performance of the Single Mode Fiber ITEMS UNITS SPECIFICATION Attenuation dB km at 1310nm at 1550nm Chromatic Dispersion ps at 1285nm 1330nm 18 at 1550nm Zero Dispersion Wavelength nm 1300 1324 Zero Dispersion Slope ps Cut-off Wavelength Zcc 22m of a cabled fiber nm 1270 Mode Field Diameter pm Mode Field Concentricity pm Cladding Diameter
