NETWORK TECHNOLOGY - SWS a.s.

Twisted Pair Installation Cables
Fiber Specifications
9/50/62,5µm
Buffering
Cladding
Glass core
Coating
125µm
E9/125 Monomode Fiber E9/125 (matched cladding type) acc. to ITU-T Rec. G.652.D, ITU-T Rec. G657.A and IEC 60 793-2-50
Geometric/mechanical properties
Core diameter (μm) 9.2 ± 0.4 / 8,6 ± 0.4
Coating diameter (μm) 245 ± 10
Core non-circularity (%) ≤ 0,4
Cladding non-circularity (%) ≤ 0,5
Mode field/cladding concentricity error (μm) < 0.5
Eccentricity of coating (μm) < 12
Screen test
0,86 Gpa ( 1,2 % 120 kpsi)
Transmission properties Fiber type A Fiber type B Fiber type E
acc. to ITU-T G.652.D
and ISO 11801 type OS 2"
for semi-tight and tight buffered fibers
acc. to ITU-T G.652.D
and ISO 11801 type OS 2"
for loose tubes
acc. to ITU-T G.657.A
Wavelength (nm) 1310 1550 1310 1550 1310 1550
Attenuation max. (dB/km) 0,33 0,19 0,33 0,19 0,35 0,21
Dispersion coefficient max. (ps/nm · km) 3,5 17 3,5 17 ≤ 3 ≤ 18
Zero dispersion wavelength (nm) 1300 – 1324 1300 – 1324 1300 – 1324
Dispersion slope (ps/nm2 · km) ≤ 0.090 ≤ 0.090 ≤ 0.092
Cut-off wavelength (cabled) (nm) ≤ 1260 ≤ 1260 ≤ 1260 nm
Polarisation mode dispersion (ps/ √ KM) ≤ 0.2 ≤ 0.2 ≤ 0.2
Effective group of refraction 1,466 1,467 1,466 1,467 1,466 1,467
Mode field diameter at 1310 μm (μm) 9.2 ± 0.4 9.2 ± 0.4 8,6 ± 0.4
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