Cable Structure:
| ITEMS |
DESCRIPTION |
| Fiber count |
1-2 |
| Tight buffer |
OD(mm): |
0.9±0.05 |
|
Material： |
LSZH |
| In Sheath |
OD(mm): |
2.0~3.0 |
|
Material： |
LSZH |
| Strength member |
Aramid yarn |
| Strength member |
G-FRP-1.6mm |
| Sheath |
Thickness: |
Non. 0.8mm |
|
Material： |
HDPE |
| OD of cable (mm) |
4.5*7.0mm±0.3 |
| Net weight ( kg/km) |
38 |
Optical Fiber:
| ITEMS |
UNITS |
SPECIFICATION |
| Fiber type |
|
G652D |
G657A |
| Attenuation |
dB/km |
1310nm ≤ 0.36
1550nm ≤ 0.22 |
| Chromatic Dispersion |
ps/nm.km |
1310nm≤ 3.5
1550nm≤ 18
1625nm≤ 22 |
| Zero Dispersion Slope |
ps/nm2.km |
≤ 0.092 |
| Zero Dispersion Wavelength |
nm |
1300 ~ 1324 |
| Cut-off Wavelength (lcc) |
nm |
≤ 1260 |
| Attenuation vs. Bending
(60mm x100turns) |
dB |
(30mm radius,100ring
)≤ 0.1 @ 1625nm |
(10mm radius,1ring)≤ 1.5 @ 1625nm |
| Mode Field Diameter |
mm |
9.2 ± 0.4 at 1310nm |
9.2 ± 0.4 at 1310nm |
| Core-Clad Concentricity |
mm |
≤ 0.5 |
≤ 0.5 |
| Cladding Diameter |
mm |
125±1 |
125±1 |
| Cladding Non-circularity |
% |
≤ 0.8 |
≤ 0.8 |
| Coating Diameter |
mm |
245±5 |
245±5 |
| Proof Test |
Gpa |
≥ 0.69 |
≥ 0.69 |
Mechanical And Environmental Performance Of The Cable
| NO. |
ITEMS |
TEST METHOD |
ACCEPTANCE CRITERIA |
| 1 |
Tensile Loading Test |
#Test method:IEC 60794-1-E1
-. Long-tensile load：350N
-. Short-tensile load：800N
-. Cable length：≥50m |
-. Attenuation increment@1550nm:≤0.1dB
-. No jacket cracking and fiber breakage |
| 2 |
Crush Resistance Test |
#Test method:IEC 60794-1-E3
-.Long load：300 N/100mm
-.Short load：1000 N/100mm
Load time：1 minutes |
-. Attenuation increment@1550nm:≤0.1dB
-. No jacket cracking and fiber breakage |
| 3 |
Impact Resistance Test |
#Test method:IEC 60794-1-E4
-.Impact height：１ｍ
-.Impact weigh： 450ｇ
-.Impact point：≥5
-.Impact frequency：≥3/point |
-. Attenuation increment@1550nm:≤0.1dB
-. No jacket cracking and fiber breakage |
| 4 |
Repeated Bending |
#Test method:IEC 60794-1-E6
-.Mandrel diameter：20D (D = cable diameter)
-.Subject weight：15kg
-.Bending frequency：30 times
-.Bending speed：2s/time |
-. Attenuation increment@1550nm:≤0.1dB
-. No jacket cracking and fiber breakage |
| 5 |
Torsion Test |
#Test method:IEC 60794-1-E7
-.Length：1m
-.Subject weight:25kg
-.Angle：±180 degree
-.Frequency：≥10/point |
-. Attenuation increment@1550nm:≤0.1dB
-. No jacket cracking and fiber breakage |
| 6 |
Water Penetration Test |
#Test method:IEC 60794-1-F5B
-.Height of pressure head：1m
-.Length of specimen：3m
-.Test time: 24 hours |
-. No leakage through the open cable end |
| 7 |
Temperature Cycling Test |
#Test method:IEC 60794-1-F1
-.Temperature steps：＋20℃,－40℃,＋70℃,＋20℃
-.Testing Time：24 hours/step
-.Cycle index：2 |
-. Attenuation increment@1550nm:≤0.1dB
-. No jacket cracking and fiber breakage |
| 8 |
Drop Performance |
#Test method:IEC 60794-1-E14
-.Testing length：30cm
-.Temperature range：70±2℃
-.Testing Time：24 hours |
-. No filling compound drop out |
| 9 |
Temperature |
Operating:-40℃~+60℃
Store/Transport :-50℃~+70℃
Installation -20℃~+60℃ |
