|
Fiber style |
Unit | SM G652 | SMG652D | 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 | —- |
—- |
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|
Dispersion |
1550nm | Ps/(nm*km) | —- | ≤18 | —- | —- | Dispresion | ||||
| 1625nm | Ps/(nm*km) | —- | ≤22 | —- | —- |
|
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|
Bandwidth |
850nm | MHZ.KM | —- | —- | ≧400 | ≧160 | Bandwith | ||||
| 1300nm | MHZ.KM | —- | —- | ≧800 |
≧500 |
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|
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 | —- | —- |
—- |
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|
MFD |
1310nm | um | 9.2+/-0.4 | 9.2+/-0.4 | —- | —- | —- | ||||
| 1550nm | um | 10.4+/-0.8 | 10.4+/-0.8 | —- | —- |
—- |
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|
Numerical Aperture (NA) |
—- | —- | 0.200+/-0.015 | 0.275+/-0.015 | 0.200+/-0.015 | ||||||
| Step (mean of bidirectional measurement) | dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 |
≤0.10 |
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|
Irregularities over fiber length and poiint |
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 |
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|
2 cores |
7.1±0.3 | 39.00kg/km±10 | |||||||||
| 4 cores | 7.1±0.3 |
39.00kg/km±10 |
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|
6 cores |
7.1±0.3 | 39.00kg/km±10 | |||||||||
| 8 cores | 7.1±0.3 |
39.00kg/km±10 |
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|
10 cores |
7.1±0.3 | 39.00kg/km±10 | |||||||||
| 12 cores | 7.1±0.3 |
39.00kg/km±10 |
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|
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 | |||||||||
| Â Min Bending Radius(mm) | Short term |
20D |
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|
 Min allowable Tensile Strength (N) |
Long term | 600 | |||||||||
| Â Min allowable Tensile Strength (N) | Short term |
1350 |
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|
 Crush Load (N/100mm) |
Short term |
1500 |
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