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1. Optical Fiber In Cable(ITU-G.652D)
|
Category |
Items |
Unit |
Description |
|
Optical Characteristics |
Attenuation at 1310 nm |
dB/km |
≤0.36 |
|
Attenuation at 1550 nm |
dB/km |
≤0.22 |
|
|
Zero dispersion wavelength |
nm |
1300~ 1324 |
|
|
Zero dispersion slope |
ps/(nm2·km) |
≤ 0.092 |
|
|
Cable cut-off wavelength λcc |
nm |
≤ 1260 |
|
|
Mode field diameter (MFD) at 1310 nm |
µm |
8.4~9.2 |
|
|
Mode field diameter (MFD) at 1550 nm |
µm |
9.3~ 10.3 |
|
|
Group Index of Refraction（Typical）at 1310 nm |
/ |
1.466 |
|
|
Group Index of Refraction（Typical）at 1550 nm |
/ |
1.467 |
|
|
Macro-bend loss(100turns, 30mm radius) at 1550nm |
dB |
≤ 0. 1 |
|
|
Geometrical Characteristics |
Cladding diameter |
µm |
125 ± 0.7 |
|
Cladding non-circularity |
% |
≤ 0.7 |
|
|
Coating diameter |
µm |
235~245 |
|
|
Coating/cladding concentricity error |
µm |
≤ 12.0 |
|
|
Coating non-circularity |
% |
≤ 6.0 |
|
|
Core/cladding concentricity error |
µm |
≤ 0.5 |
2. Cable Dimensions and Constructions
|
Item |
Contents |
Value |
|
|
Fiber Count |
6/12 | 24 | |
|
Span |
100/120m | ||
|
Loose tube |
Number |
1 | 1 |
|
Material |
PBT |
||
|
Outer diameter(mm) (：0. 1) |
2.5 | 3.0 | |
|
Material |
FRP |
||
|
Diameter(mm) (：0. 1) |
2.5 | 2.5 | |
|
Number |
2 | ||
|
Water Block Material |
Water Blocking Yarn |
||
|
Outer sheath |
Material |
MDPE |
|
|
Color |
Black |
||
|
Thickness(mm) (Nominal) |
1.0 |
||
|
Cable diameter(mm) (：0.5) |
8.0 |
8.0 |
|
|
Cable weight(kg/km) (：20%). |
55 |
55 |
|
3. Color Code of the tube and Fiber
|
1 |
Blue |
2 |
Orange |
3 |
Green |
4 |
Brown |
5 |
Grey |
6 |
White |
|
7 |
Red |
8 |
Black |
9 |
Yellow |
10 |
Violet |
11 |
Rose |
12 |
Aqua |
For up to 24 fiber, there will be a black ring on each colored buffer to identified easily from one another(the second black fiber will be marked with a white ring).
4. Mechanical and Environmental Characteristics
|
Test |
Test Standard |
Specified Value |
Acceptance Criteria |
|
Tensile |
IEC 60794- 1-2-E1 |
Operation 750N |
≤ 0. 1 dB, no damage |
|
Installation 1250N |
reversible, no damage |
||
|
Crush |
IEC 60794- 1-2-E3 |
1000N/ 10cm |
reversible, no damage |
|
Impact |
IEC 60794- 1-2-E4 |
1.5J, R=300mm, 3points |
reversible, no damage |
|
Repeated Bending |
IEC 60794- 1-2-E6 |
R=20D, 25cycles |
reversible, no damage |
|
Torsion |
IEC 60794- 1-2-E7 |
1m, 180, 10cycles |
reversible, no damage |
|
Water Penetration |
IEC 60794- 1-2-F5 |
3m sample, 1m height, 24h |
No water leakage |
6. Packing
Not allowed two length units of cable in one drum, two ends should be sealed, Two ends should be packed inside drum, reserve length of cable not less than 3 meters.
7. Delivery Length
Standard delivery length is 2/3/4km/drum. Other length available on request.
