Fiber Optical Test Datas |
The properties of single mode optical fiber (ITU-T Rec. G652|G657) |
Transmission Characteristics |
850nm (multimode optical fiber communication system)
O:1260-1360(237.9-220.4THZ)
E: 1360-1460 (the least commonly
used, the attenuation is large) (220.4-205.3) frequency range
S: 1460-1530 (commonly used in PON system) (205.3-195.9)
C: 1530-1565 (minimum attenuation) (195.9-191.6)
L: 1565-1625 (2nd lowest attenuation) (191.6-184.5)
U: 1625-1675 (mainly used for network monitoring) (184.5-179.0)
Attenuation Coefficient |
|
G.652.D
Normal |
G.652.D
Best |
G.657.A1 |
G.657.A2 |
Unit |
@1310 nm |
≤0.35 |
≤0.34 |
≤0.34 |
≤0.34 |
dB/km |
@1285-1330 nm |
|
≤0.37 |
≤0.37 |
≤0.37 |
dB/km |
@1383 nm
(after hydrogen aging) |
≤0.30 |
≤0.30 |
≤0.31 |
≤0.31 |
dB/km |
@1460 nm |
|
|
|
|
|
@1490 nm |
≤0.24 |
|
≤0.23 |
≤0.23 |
dB/km |
@1550 nm |
≤0.22 |
≤0.21 |
≤0.2 |
≤0.2 |
dB/km |
@1525-1575 nm |
|
≤0.22 |
≤0.21 |
≤0.21 |
dB/km |
@1625 nm |
≤0.25 |
≤0.24 |
≤0.22 |
≤0.22 |
dB/km |
Mode Field Diameter |
@1310 nm |
8.6±0.4 |
9.0±0.4 |
9.0±0.3 |
8.6±0.4 |
µm |
@1550 nm |
9.8±0.5 |
10.2±0.4 |
10.2±0.4 |
9.6±0.5 |
µm |
Cable Cut-off wavelength(λ cc) |
|
≤1260 |
≤1260 |
≤1260 |
≤1260 |
nm |
Zero Dispersion Wavelength |
|
1300-1324 |
1300-1324 |
1300-1324 |
1300-1324 |
nm |
Zero Dispersion Slope |
|
≤0.092 |
≤0.092 |
≤0.09 |
≤0.09 |
ps/nm²/km |
Dispersion Coefficient |
@1285-1339 nm |
|
≤3.4 |
≤3 |
≤3.4 |
ps/(nm·km) |
@1271-1360 nm |
|
≤5.3 |
|
|
ps/(nm·km) |
1525-1575nm |
|
|
|
|
|
1530-1565nm |
|
|
|
|
|
1565-1625nm |
|
|
|
|
|
@1550 nm |
≤ 18 |
≤ 18 |
≤ 17 |
≤ 18 |
ps/(nm·km) |
@1625 nm |
≤ 22 |
≤ 22 |
≤ 21 |
≤ 22 |
ps/(nm·km) |
PMD Maximum Individual Fiber |
|
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
ps√km |
PMD Link Design Value |
|
≤0.06 |
≤0.06 |
≤0.06 |
≤0.06 |
ps/√km |
Point Discontinuity |
@1310 nm
@1550 nm |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
dB |
EGRI
Effective Group Refractive Index |
@1310 nm |
|
1.4671 |
1.4671 |
1.4676 |
|
@1550 nm |
|
1.4675 |
1.4675 |
1.4683 |
|
@1625 nm |
|
1.468 |
1.468 |
1.4685 |
|
Macro Bending Loss
A1 Bending radius: 10mm
A2 Bending radius: mm
B2 Bending radius: mm
B3 Bending radius: 5mm |
10turns of
15mm radius |
|
|
≤0.25 |
≤0.03 |
@1550 nm
dB |
100turns of
25mm radius |
|
|
|
|
1turns of
16mm radius |
|
|
≤0.25 |
≤0.03 |
1turns of
10mm radius |
|
|
≤0.75 |
≤0.1 |
1turns of
7.5mm radius |
|
|
|
≤0.2 |
1turns of
5mm radius |
|
|
|
|
100turns of
30mm radius |
≤0.05 |
≤0.05 |
|
|
@1625 nm
dB |
100turns of
25mm radius |
|
|
|
|
10turns of
15mm radius |
|
|
≤1.0 |
≤0.1 |
1turns of
10mm radius |
|
|
≤1.5 |
≤0.2 |
1turns of
7.5mm radius |
|
|
|
≤0.5 |
1turns of
5mm radius |
|
|
|
|
Dimensions |
Description |
|
G.652.D
Normal |
G.652.D
Best |
G.657.A1 |
G.657.A2 |
Unit |
Cladding Diameter |
|
125±0.7 |
125±0.5 |
125±0.5 |
125±0.5 |
µm |
Core / Cladding Concentricity Error |
|
≤0.5 |
≤0.4 |
≤0.4 |
≤0.4 |
µm |
Cladding Non-circularity |
|
≤1.0 |
≤0.7 |
≤0.7 |
≤0.7 |
% |
Coating Diameter |
|
245±5 |
245±5 |
242±5 |
242±5 |
µm |
Coating / Cladding Concentricity Error |
|
≤12 |
≤12 |
≤8 |
≤8 |
µm |
Mechanical Characteristics |
Proof Test |
Fiber Strain |
≥1 |
≥1 |
≥1 |
≥1 |
% |
Fiber Load |
≥9 |
≥9 |
≥9 |
≥9 |
N |
Stress |
≥100 |
≥100 |
≥100 |
≥100 |
kpsi |
Dynamic Stress Corrosion Susceptibility Factor |
Unaged &Aged
(30 days@85℃, 85%R.H.) |
≥20 |
≥20 |
≥20 |
≥20 |
|
Coating Strip Force |
Peak Value |
1.3-8.9 |
1.3-8.9 |
1.3-8.9 |
1.3-8.9 |
N |
Fiber Curl |
|
≥4 |
≥4 |
≥4 |
≥4 |
m |
Environmental Characteristics |
Dry heat aging(30days@85℃) |
@1310 nm
@1550 nm |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
dB/km |
Accelerated ageing (30days@85℃, 85%R.H.) |
@1310 nm
@1550 nm |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
dB/km |
Temperature Cycling |
@1310 nm
@1550 nm |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
dB/km |
Water Soak(30days@23℃) |
@1310 nm
@1550 nm |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
dB/km |
|
|
|
|
|
|
|
|
|
|
|
Main TEST for Mechanical & Environmental |
Characteristics |
NO |
ITEM |
TEST METHOD |
ACCEPTANCE REQUIREMENTS |
1 |
Tensile Strength
IEC 794-1-E1 |
- Load:5000 N
- Length of cable under load:50m |
- Loss change 0.1 dB
@1550 nm
- No fiber break and no sheath damage. |
2 |
Crush Test
IEC 60794-1-E3 |
- Load: 3000 N/100mm
- Load time: ≥1min |
- Loss change 0.1 dB
@1550 nm
- No fiber break and no sheath damage. |
3 |
Impact Test
IEC 60794-1-E4 |
- Points of impact: 5
- Times of per point: 5
- Impact energy: 4.5Nm
- Radius of hammer head:12.5mm
- Impact rate: 2sec/cycle |
- Loss change 0.1 dB
@1550 nm
- No fiber break and no sheath damage. |
4 |
Repeated Bending IEC 60794-1-E6 |
- Bending Dia.: 20 x OD
- Load: 250N
- Flexing rate: 3sec/cycle
- No. of cycle: 30 |
- Loss change 0.1 dB
@1550 nm
- No fiber break and no sheath damage. |
5 |
Torsion
IEC 60794-1-E7 |
- Length: 1m
- Load: 150N
- Twist rate: 1min/cycle
- Twist angle: ±90°
- No. of cycle: 10 |
- Loss change 0.1 dB
@1550 nm
- No fiber break and no sheath damage. |
6 |
Water Penetration
IEC 60794-1-F5B |
- Height of water: 1m
- Sample length: 3 m
- Time: 24 hour |
- No water shall have leaked from the opposite end of cable |
7 |
Temperature Cycling
IEC 60794-1-F1 |
- Temperature step:
+20℃→-20℃→+20℃→+40℃
- Time per each step:24 hour
- Number of cycle: 2 |
- Loss change 0.1 dB
@1550 nm
- No fiber break and no sheath damage. |
8 |
Compound Flow
IEC 60794-1-E14 |
- Sample length: 30 cm
- Temp: 70°C 2°C
- Time: 24 hours |
- No compound flow |
9 |
Sheath High Voltage Test |
- On line test
- 9t KV (t-sheath thickness) |
- No sheath breakdown |
|
|
|
|
|
|
|
|
|
|
|
Cable Marking&Fibers Colors |
Sheath marking |
COMPANY Fiber cable name N*cores G.652D 2024 XXXXm |
COMPANY |
Manufacturer's brand |
2024 |
Manufacture year |
Fiber cable name |
Cable type |
G.652D |
N cores single-mode optical fiber (ITU-T Rec. G.652D) |
XXXXm |
Mark of meters |
*The marking is printed every 1 meter;
**”G.652D” means ITU-T Rec. Low Water Peak (LWP) G.652 single mode optical fiber.. |
Also can according to client cable marking. |
1 The color of marking is white,
2 An occasional unclear of length marking is permitted if both of the neighboring markings are clear.
3 The both cable ends are sealed with heat shrinkable end caps to prevent water ingress. |
Fiber color and Binder color code: according to EIA/TIA 598B |
|
No. |
1 |
2 |
3 |
4 |
5 |
6 |
|
|
|
|
|
Color |
Blue |
Orange |
Green |
Brown |
Gray |
White |
|
|
|
|
|
No. |
7 |
8 |
9 |
10 |
11 |
12 |
|
|
|
|
|
Color |
Red |
Black |
Yellow |
Violet |
Pink |
Aqua |
|
|
|
|