Fiber style |
Unit | SM G652 | SM G652D | MM 50/125 | MM 62.5/125 |
MM OM3-300 |
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Condition |
mm | 1310/1550 | 1310/1550 | 850/1300 | 850/1300 | 850/1300 | |||||
Attenuation | dB/km | ≤ | ≤ | ≤ | ≤3.0/1.0 |
≤3.0/1.0 |
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0.36/0.23 |
0.34/0.22 | 3.0/1.0 | —- | —- | |||||||
Dispersion | 1550nm | Ps/(nm*km) | —- | ≤18 | —- | —- |
Dispresion |
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1625nm |
Ps/(nm*km) | —- | ≤22 | —- | —- | ||||||
Bandwidth | 850nm | MHZ.KM | —- | —- | ≧400 | ≧160 |
Bandwith |
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1300nm |
MHZ.KM | —- | —- | ≧800 | ≧500 | ||||||
Zero dispersion wavelength |  nm | 1300-1324 | ≧1302,
≤1322 |
—- | —- |
≧1295, ≤1320 |
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Zero dispersion slope |
nm | ≤0.092 | ≤0.091 | —- | —- | —- | |||||
PMD Maximum Individual Fibre | ≤0.2 | ≤0.2 | —- | —- |
≤0.11 |
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PMD Design Link Value |
Ps (nm2*km) | ≤0.12 | ≤0.08 | —- | —- | —- | |||||
Fibre cutoff wavelength λc | nm | ≧1180,
≤1330 |
≧1180,
≤1330 |
—- | —- |
—- |
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Cable cutoff wavelength λcc |
nm | ≤1260 | ≤1260 | —- | —- | —- | |||||
MFD | 1310nm | um | 9.2+/-0.4 | 9.2+/-0.4 | —- | —- |
—- |
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1550nm |
um | 10.4+/-0.8 | 10.4+/-0.8 | —- | —- | —- | |||||
Numerical Aperture (NA) | —- | —- | 0.200+/-0.015 | 0.275+/-0.015 |
0.200+/-0.015 |
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Step (mean of bidirectional measurement) |
dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | |||||
Irregularities over fiber length and point | dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 |
≤0.10 |
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       Discontinuity |
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Different backscatter coefficient |
dB/km | ≤0.05 | ≤0.03 | ≤0.08 | ≤0.10 | ≤0.08 | |||||
Attenuation uniformity | dB/km | ≤0.01 |
≤0.01 |
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Core diameter |
um | 50+/-1.0 | 62.5+/-2.5 | 50+/-1.0 | |||||||
Cladding diameter | um | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 |
125.0+/-0.1 |
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Cladding non-circularity |
% | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | |||||
Coating diameter | um | 242+/-7 | 242+/-7 | 242+/-7 | 242+/-7 |
242+/-7 |
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Coating/chaffinch concentrically error |
um | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | |||||
Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 |
≤6.0 |
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Core/cladding concentricity error |
um | ≤0.6 | ≤0.6 | ≤1.5 | ≤1.5 | ≤1.5 | |||||
Curl (radius) | um | ≤4 | ≤4 | —- | —- |
—- |
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   Mechanical characteristic |
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Items |
Cable diameter | Weight | |||||||||
2 cores | 7.1±0.3 |
39.00kg/km±10 |
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4 cores |
7.1±0.3 | 39.00kg/km±10 | |||||||||
6 cores | 7.1±0.3 |
39.00kg/km±10 |
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8 cores |
7.1±0.3 | 39.00kg/km±10 | |||||||||
10 cores | 7.1±0.3 |
39.00kg/km±10 |
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12 cores |
7.1±0.3 | 39.00kg/km±10 | |||||||||
24 cores | 7.1±0.3 |
39.00kg/km±10 |
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Tube OD |
2.8mm±0.2 | ||||||||||
Strength member |
Kevlar yarn |
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Outer sheath |
PE | ||||||||||
Storage temperature (°C) |
-20+60/-20+80 |
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Min Bending Radius(mm) |
Long term | 10D | |||||||||
 Min Bending Radius(mm) | Short term |
20D |
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Min allowable Tensile Strength (N) |
Long term | 600 | |||||||||
 Min allowable Tensile Strength (N) | Short term |
1350 |
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 Crush Load (N/100mm) |
Short term |
1500 |