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<br />. ..." . <br /> <br />. <br /> <br />e <br /> <br />C.3.4 Fiber Characteristics <br /> <br />Multimode <br /> <br />. I "I <br /> <br />Core dIameter: <br />Cladding diameter: <br /> <br />62.5+ 3. nun <br />125.+2.0 nun <br /> <br />I <br />I; <br /> <br />Core-to-Cladding Offset: < 0.3 mm <br /> <br />Cladding non-circularity: < 0.2% <br /> <br />Core non-circularity: < 0.5% <br /> <br />I .. <br />.,,\ . <br /> <br />Coating Diameter: <br /> <br />245+10 mm <br /> <br />Colored Fiber Diameter: nominal 250 nun <br /> <br />Graded index. <br /> <br />0, I <br /> <br />Numerical Aperture: 0.275+0.015 <br /> <br />Single Mode <br /> <br />Typical Core Diameter: <br /> <br />8.3mm <br /> <br />Cladding Diameter: 12~.0 :t..1.0 mm <br /> <br />Core-to-Cladding Offset: s..0.8 mm <br /> <br />Cladding Non-Circularity: s..1.0% <br /> <br />Coati~g Diameter: <br /> <br />245 :!:..IO mm <br /> <br />Colored Fiber Diameter: nominal 250 run <br /> <br />Attenuation Uniformity- No point discontinuity greater than 0.1 0 dB at either 1310 run or 1550 <br />run. <br /> <br />Attenuation at the Water Peak- The attenuation at 1380:!:..3 run shall not exceed 2.1 dBIkm. <br /> <br />Cutoff Wavelength- The cabled fiber cutoff wavelength shall be ~1260 nm. <br /> <br />'j ,. <br /> <br />< <br />Zero Dispersion Wavelength (10)- 1301.5 run< 10 -1321.5 run <br /> <br />IBM Global Services &. La Porte ISO <br /> <br />peA 01 September 30.1998 <br /> <br />Page 190f32. <br /> <br />. . \ .=! <br />