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156Comparison of requirementsFiber category OS2 E9/125 (G.652.D)for Standard and j-LWP SMF+at 1,310 nmat 1,550 nmStandard OS2IEC 60793-2-50 B6_aLEONI OS2j-LWP SMF+Standard OS2IEC-60793-2 50-B1.3LEONI OS2j-LWP SMF+Attenuation 0.40 dB/km 0.36 dB/km 0.30 dB/km 0.23 dB/kmAttenuation at 1,383 nm < 0.40 dB/km 0.36 dB/km — —1 Gigabit Ethernet segment length 5,000 m 5,000 m — —10 Gigabit Ethernet segment length 10,000 m 10,000 m 22,250 m 40,000 m40 Gigabit Ethernet segment length 10,000 m 10,000 m — —Comparison of requirementsfor Standard and j-LBL SMFStandard OS2IEC 60793-2-50 B6_aat 1,310 nmFiber category E9/125 (G.657.A)LEONI OS2 low bendj-LBL SMFStandard OS2IEC 60793-2-50 B6_aat 1,550 nmLEONI OS2 low bendj-LBL SMFAttenuation 0.40 dB/km 0.36 dB/km 0.30 dB/km 0.23 dB/kmAttenuation at 1,383 nm < 0.40 dB/km 0.36 dB/km — —1 Gigabit Ethernet segment length 5,000 m 5,000 m — —10 Gigabit Ethernet segment length 10,000 m 10,000 m 22,250 m 40,000 m40 Gigabit Ethernet segment length 10,000 m 10,000 m — —100 Gigabit Ethernet segment length 10,000/40,000 m 10,000/40,000 m — —Attenuation [dB]30252015105j-LWP SMF+ proven for long linksThe low-water-peak singlemode fiber, j-LWP SMF+ as per ITU-TG652.D or as per EN 50173 OS2, offers the best transmissionperformance across the entire wavelength range from 1,260nm to 1,625 nm. The fiber can be used in the wavelengthranges from 1,360 nm to 1,480 nm due to the reliably stable, lowattenuation at 1,383 nm. The j-LWP SMF+ is the preferred fiberwherever maximum flexibility and long transmission lengths arerequired. The use of WDM systems enables the full spectrum offiber capacity to be used – the prerequisite for flexible networkplanning. The fiber is fully compatible with installed singlemodenetworks and enables network solutions with maximumperformance and flexibility.Bending sensitivity at different wavelengths1,310 nm1,550 nm1,625 nm08 10 12 14 16 18 20Bend diameter [mm]j-LBL SMF flexible and compatibleThe j-LBL SMF as per ITU-T G657.A is a high-performance fieldtestedsinglemode fiber for applications where the need forcompatibility with installed G.652.D networks is linked withthe requirement for improved bending characteristics for sturdy,flexible and space-saving installations. The j-LBL SMF offersmaximum transmission performance with minimum attenuation.Due to the reliably and permanently low attenuation at1,383 nm, it can be used in the wavelength range from1,360 nm to 1,480 nm and the fiber is therefore also suitablefor wavelength multiplexing (DWDM and CWDM).The fiber exhibits excellent splicing properties thanks to itsfirst-rate uniformity and geometry. This means it is backwardscompatible with already installed conventional singlemodefibers (to ITU-T G.652.A+B) and low-water-peak singlemodefibers (to ITU-T G.652 C+D).Bending characteristicsMacro-bending losses,bending-induced attenuation10 bends,radius 15 mm1 bend,radius 10 mmValuesUnit1,550 nm ≤ 0.03 dB1,652 nm ≤ 0.20 dB1,550 nm ≤ 0.30 dB1,625 nm ≤ 1.00 dBwww.leoni-infrastructure-datacom.com