| Category | Description | Specifications | |
| G.652D | |||
| Optical Specifications | Attenuation | @1310nm | ≤0.35dB/km |
| @1383nm | ≤0.35dB/km | ||
| @1550nm | ≤0.22dB/km | ||
| @1625nm | ≤0.25dB/km | ||
| Attenuation discontinuity | ≤0.05 dB | ||
| Attenuation vs. Wavelength | @1285~1330nm | ≤0.05 dB/km | |
| @1525~1575nm | ≤0.05 dB/km | ||
| Zero Dispersion Wavelength | 1300~1324nm | ||
| Zero Dispersion Slope | ≤0.092ps/(nm2.km) | ||
| Dispersion | @1310nm | ≤3.5 ps/nm.km | |
| @1550nm | ≤18 ps/nm.km | ||
| Polarization Mode Dispersion(PMD) | ≤0.2ps/km1/2 | ||
| Cable Cutoff Wavelength(λcc) | ≤1260nm | ||
| Effective Group Index of Refraction | @1310nm | 1.4675 | |
| @1550nm | 1.4681 | ||
| Macro bend loss (30mm radius ,100turns) 1625nm | ≤0.1 dB | ||
|
Geometric
Specifications |
Mode Field Diameter | @1310nm | 9.2±0.6μm |
| @1550nm | 10.4±0.8μm | ||
| Cladding Diameter | 125±1μm | ||
| Cladding Non-Circularity | ≤1.0% | ||
| Coating Diameter | 245±7μm | ||
| Coating/Cladding Concentricity Error | ≤8μm | ||
| Core/Cladding Concentricity Error | ≤0.8μm | ||
|
Mechanical
Specifications |
Proof Test level | ≥1.0% | |
| Fiber Curl Radius | ≥4.0m | ||
| Peak Coating Strip Force | 1.3~8.9N | ||
| Number of fiber | 2~24 | ||
| Loose tube | material | PBT (polybutylene terephthalate) | |
| diameter | Approx.2.5 mm | ||
| Filling compound in loose tube | material | Thixotropic jelly | |
| strength member | material | Phosphate steel wire | |
| diameter | Approx. 1.0mm×2 | ||
| Water blocking material | material | Dry water blocking powders | |
| Armour | material | Steel tape coated with polymer on both sides | |
| Cable jacket | material | UV-proof middle density black polyethylene | |
| Cable diameter Approx. (mm) | 7.6 | ||
| Cable weight Approx. (kg/km) | 67 | ||
| Maximum allowed tension | 1500 N (fiber strain ≤0.3%) | ||
| Crush Resistance | 1000 N/10cm | ||
| Minimum radio of flexion | Instalation | 20D* | |
| After Instalation | 10D | ||
| Operating Temperature | -40~+60ºC | ||
| No. of fiber | 1 | 2 | 3 | 4 | 5 | 6 |
| Color of fiber | Blue | Orange | Green | Brown | Grey | White |
| No. of fiber | 7 | 8 | 9 | 10 | 11 | 12 |
| Color of fiber | Red | Black | Yellow | Violet | Pink | Aqua |
| No | Item | Test standard | Method | Acceptance criteria |
| 1 |
Tensile
test |
IEC-60794-1-E1 |
-Max. Tensile strength:1500N
-Sample length:50 meters -Time: 1minutes; |
-Fiber strain at maximum
Load: max. 0.33% -Attenuation increase≤0.05dB |
| 2 |
Crush
test |
IEC-60794-1-E3 |
-Load:1000N
-Time: 1 minutes -Length: 100mm |
-No splits or cracks in the
outer jacket; -Attenuation increase<0.10dB, |
| 3 |
Impact
test |
IEC-60794-1-E4 |
-Impact energy: 450g
- Height:1 meter -Impact points: min.1 --Number of impacts: 5 |
-No splits or cracks in the outer jacket
-Attenuation increase≤0.10dB |
| 4 | Repeated bending | IEC-60794-1-E6 |
-R=20×cable outer diameter
-1m cable length with 150N weight,30 cycles |
- No splits or cracks in the outer jacket
-Attenuation increase ≤0.10dB |
| 5 |
Torsion
test |
IEC-60794-1-E7 |
-1m cable length with 150N weight
-±90 degrees, 10 cycles |
- No splits or cracks in the outer jacket
-Attenuation increase ≤0.10B |
| 6 |
Bending
test |
IEC-60794-1-E11 |
-Diameter of mandrel: 20×D
-Number of turns/helix:10 -Number of cycles: 5 |
- No splits or cracks in the outer jacket
- No fiber break |
| 7 | Temperature cycling test | IEC-60794-1-F1 |
-Temperature step: +20ºC→-40ºC→+60ºC→-40ºC→
+60ºC→+20ºC -Time per each step: 12 hrs -Number of cycles: 2 cycles |
-Attenuation variation for reference value(the attenuation to be measured before test at +20±3ºC) ≤0.05dB, |
| 8 | Water penetration test | IEC-60794-1-F5 |
-Water height: 1m
-Sample length:3m -Duration of test: 24hrs |
-No water leakage at the end of the sample |
| 9 | Drip test | IEC-60794-1-E14 | -Five 0.3m samples suspended vertically in a climate chamber, raised temperature to +70ºC | -No filling compound shall drip from tubes after 24 hr |