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<br />... , . <br /> <br />e <br /> <br />e <br /> <br />Appendix DD Fiber Optic Cabling Specifications <br /> <br />'. .0.1 AI~atel Single Mode Optical Fiber <br />D.1.1 Optical Specifications <br /> <br />Typical Attenuation Cell (uncabled) <br />[< 0.35/ 0.40] dBIKrn@ 1310 om <br />[< 0.25 / 0.30] dBIKm @ 1550 om <br />Attenuation Uniformity <br />No point discontinuity greater than 0.1 dB at 1310 om and 1550 om. <br />Attenuation at 1383 om: 2.0 dBIKm maximum <br />Attenuation vs. Wavelength: <br />Maximum attenuation change over the window. <br />Wavelength (om) Attenuation (dBIKm) <br />1285 - 13 io < 0.035 <br />1330 - 1310 < 0.03 <br />1525 - 1550 < 0.03 <br />1575 - 1550 < 0.03 <br /> <br />Attenuation with Bending: <br />100 turns around 75nun diameter S 0.05 dB at 1310 run <br />S 0.1 dB at 1550 run <br />100 turns around 60nun diameter S 0.5 dB at 1580 om <br />1 turn around 32mm diameter S 0.1 dB at 1550 om <br />CutofIWavelength (cabled): s 1260 nm <br />Zero Dispersion Wavelength: 1310 :!: 10 nm <br />Zero Dispersion Slope: < 0.092 ps/nm2. KIn <br />PMD: S 0.5 ps/vkm <br /> <br />0.1.2 Dimensional Specifications <br /> <br />Mode Field Diameter at 1310 nm: 9.0:!: 0.5 <br />at 1550 run: 10.2 :!: 1 <br />Fiber Outside Diameter: 125 :t 1.0 <br />Core Eccentricity: s 0.8 <br />Fiber Non-Circularity: < 1.0% <br />Core Non-Circularity: < 10.0% <br />Coating Outside Diameter: . 245 :t 10 <br />Coating/Clad Concentricity Error: s 15 <br />Fiber Curl (deflection over 10 mm) curl radius ~ 2 meter <br />s25 <br /> <br />IBM Global Services 8: La Porte ISD <br /> <br />peA 0 I September 30. 1998 <br /> <br />Page 29 of 32 <br />