Cables :
  The main technical performance index of the optical fiber cable

Optical fiber technical performance index 1. Filter intension 1%, 1second
2. Mode field diameter 1310nm 9.30.5
1550nm 10.51.0
3. Mode field Non-circularity 6%
4. Mode field/cladding concentric windage 1
5. Cladding diameter 1252
6. Cladding non-circularity 2%
7. Fiber core refractive indes 1310nm/1500nm 1.4675/1.4681
8. Dispersion coefficient 1228~1339nm 3.5ps/nm.km
1271~1360nm 5.3ps/nm.km
1550nm 18ps/nm.km
1480~1580nm 20ps/nm.km
9. Zero dispersion wave length range 1300~1324nm
10. Maximum zero dispersion slope 0.093ps/n.km
11. Attenuation index 1310nm (maximum) 0.36dB/km
1310nm (equal) 0.345dB/km
1550nm (Maximum) 0.22dB/km
1550nm (equal) 0.195dB/km
12. Cut-off wave length Test in 20m cable and 2m optical fiber 1270nm
Test in 2m optical fiber 1100~1280nm
Cable technical performance index 13. Allowable tensile force (short-term) Details in type of cables
14. Allowable tensile force (long-term) Details in type of cables
15. Allowable lateral pressure (short-term) Details in type of cables
16. Allowable lateral term (long-term) Details in type of cables
17. Allowable bending semi-diameter (except for the cable under water) Dynamic 20 times cable diameter
Static 10 times cable diameter
18. Sheath insulation resistance Test after it is soaked in water after 24hs 200M .km
19. Sheath insulation resistance Test after it is soaked in water after 25hs DC15KV,2min non-puncture
20. Suitable temperature characteristics -40 ~ +60 a0.05dB/km

    

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