6 core elevator vertical up and down flexible optical fiber cable

Number of fiber: 6F

Fiber type: 50/125 & 62.5/125

Tight Buffer Material: LSZH

Central strength member Material: FRP

Strength member Material: Kevlar yarn

Sub-Units Material: LSZH

Outer sheath Material: TPU

Cable weight: 57kg / km

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50/125

Characteristics	Conditions	Specified Values	Unit
Attenuation	850nm	≤3.0	dB/KM
Attenuation	1300nm	≤1.5	dB/KM
Minimum Modal Bandwidth	850nm	600	MHz.km
Minimum Modal Bandwidth	1300nm	1200	MHz.km
Zero dispersion wavelength		1295-1320	nm
Zero dispersion slope	1295-1300nm	≤0.001*(λ。-1190）	ps/nm².km
Zero dispersion slope	1300-1320nm	≤0.11	ps/nm².km
Backscatter Characteristics（1300nm）
Step（mean of bidirectional measurement）		≤0.10	dB
Irregularities over fiber length and point discontinuity		≤0.10	dB
Attenuation uniformity		≤0.08	dB/KM
Numerical Aperture		0.200±0.015 -
Group Refractive Index	850nm	1.482	-
Group Refractive Index	1300nm	1.477	-
Geometrical Characteristics
Core diameter		50±2.5	um
Cladding diameter		124.8±1.0	um
Cladding non-circularity		≤1.0	%
Coating diameter		245±7	um
Coating-cladding concentricity error		≤12.0	um
Coating non-circularity		≤6.0	%
Core-cladding concentricity error		≤1.0	um

62.5/125

Characteristics	Conditions	Specified Values	Unit
Attenuation	850nm	≤3.0	dB/KM
Attenuation	1300nm	≤1.5	dB/KM
Minimum Modal Bandwidth	850nm	200	MHz.km
Minimum Modal Bandwidth	1300nm	600	MHz.km
Zero dispersion wavelength		1320-1365	nm
Zero dispersion slope		≤0.097	ps/nm².km
Backscatter Characteristics（1300nm）
Step（mean of bidirectional measurement）		≤0.10	dB
Irregularities over fiber length and point discontinuity		≤0.10	dB
Attenuation uniformity		≤0.10	dB/KM
Numerical Aperture		0.275±0.015 -
Group Refractive Index	850nm	1.496	-
Group Refractive Index	1300nm	1.491	-
Geometrical Characteristics
Core diameter		62.5±2.5	um
Cladding diameter		124.8±1.0	um
Cladding non-circularity		≤1.0	%
Coating diameter		245±7	um
Coating-cladding concentricity error		≤12.0	um
Coating non-circularity		≤6.0	%
Core-cladding concentricity error		≤1.5	um