1/2/4 Cores FTTH Drop Cable with Messenger Optical Fiber
1. General
This specification covers the design requirements of structure, mechanical, physical and performance standards for the supply of optical fiber cables. The features described in this document are intended to provide information on the performance of optical cable.
2. Specifications
2.1 General Specifications
Cable Type |
FTTH(Drop Cable) |
Fiber Type |
SM G657A1/ SM G657A2 |
Application |
FTTH, LAN |
Recommended installation methods |
Aerial |
Environment |
Indoor |
Temperature Range |
-40ºC to 70ºC |
2.2 Fiber Specifications
Fiber style |
Unit |
SM G652D |
SM G657A1 |
SM G657A2 |
condition |
nm |
1310/1550 |
1310/1550 |
1310/1550 |
attenuation |
dB/km |
≤0.36/0.23 |
≤0.35/0.21 |
≤0.35/0.21 |
Dispersion |
1310nm |
Ps/(nm*km) |
≤18 |
≤18 |
≤18 |
1550nm |
Ps/(nm*km) |
≤22 |
≤22 |
≤22 |
Zero dispersion wavelength |
nm |
1312±10 |
1312±10 |
1300-1324 |
Zero dispersion slope |
ps/(nm²×Km) |
≤0.091 |
≤0.090 |
≤0.092 |
PMD Maximum Individual Fiber |
[ps/√km] |
≤0.2 |
≤0.2 |
≤0.2 |
PMD Design Link Value |
ps/(nm²×Km) |
≤0.08 |
≤0.08 |
≤0.08 |
Fiber cutoff wavelength λc |
nm |
>=1180,≤1330 |
>=1180,≤1330 |
>=1180,≤1330 |
Cable cutoff wavelength λcc |
nm |
≤1260 |
..... |
..... |
MFD |
1310nm |
um |
9.2±0.4 |
9.0±0.4 |
9.8±0.4 |
1550nm |
um |
10.4±0.8 |
10.1±0.5 |
9.8±0.5 |
Step(mean of bidirectional measurement) |
dB |
≤0.05 |
≤0.05 |
≤0.05 |
Irregularities over fiber length and point discontinuity |
dB |
≤0.05 |
≤0.05 |
≤0.05 |
Difference backscatter coefficient |
dB/km |
≤0.03 |
≤0.03 |
≤0.03 |
Attenuation uniformity |
dB/km |
≤0.01 |
≤0.01 |
≤0.01 |
Cladding diameter |
um |
125.0±0.1 |
124.8±0.1 |
124.8±0.1 |
Cladding non-circularity |
% |
≤1.0 |
≤0.7 |
≤0.7 |
Coating diameter |
um |
242±7 |
242±7 |
242±7 |
Coating/chaffinch concentrically error |
um |
≤12.0 |
≤12.0 |
≤12.0 |
Coating non circularity |
% |
≤6.0 |
≤6.0 |
≤6.0 |
Core/cladding concentricity error |
um |
≤0.6 |
≤0.5 |
≤0.5 |
Curl(radius) |
um |
≥4 |
≥4 |
≥4 |
2.3 Standard Color Identification of Fiber
No. |
1 |
2 |
3 |
4 |
Color |
Blue |
Orange |
Green |
Brown |
2.4 Cable Design
Item |
Description |
Model No |
GJXH/GJFXH |
1. Fiber count |
1 Core , 2 Core, 4 Core |
2. Cable Diameter |
3.0*2.0mm |
3. Cable Weight |
11.5KGS/9.5KGS |
4. Strength member |
|
-Material |
Steel/FRP |
5.Outer Sheath |
|
-Material |
LSZH (Black/white) |
6. Sheath marking |
|
-Type of marking |
Laser printing |
2.4.1 Strength Member
The strength member is made of steel or FRP. It provides tensile to the cable.
sheath protect cable from water intrusion.
2.4.2 Outer Jacket
LSZH sheath is extruded over the fiber.
2.4.3 Cable Sheath Marking
Each cable have the following information clearly marked on the outer jacket of cables:
a. Name of manufacturer.
b. Year of manufacturer
c. Type of cable and fiber
d. Length mark (printing on each meter normally)
e. Or as customer's requirements.
Cable Performance
Items |
Description |
Installation Temperature range |
-20--+60ºC |
Operation and transport temperature |
-40-+70ºC |
Min Bending Radius(mm) |
Long term |
10D |
short term |
20D |
Allowable Tensile Strength(N) |
Long term |
100/40 |
short term |
200/80 |
Crush Load (N/100mm) |
Long term |
1000/500 |
short term |
2200/1000 |
Company Show
Dong Guan Tw-Scie Co., Ltd. is a high-tech enterprise group in China devoted to communications undertakings with our own impoters and exporters rights. Since its founding, high quality products an strong co-operations have enabled the enterprise to stably and rapidly grow into a specialized communication
Manufacturer supplier and engineering service provider the most complete product line-up and specifications in the fiber and cable industry of China.
The enterprise is possessed of a passel of faithful, intelligent, conscientious talents. While bending ourselves to following with the worldwide advanced development and application, we build up cooperation ties with many scientific research academy.
The main products of our enterprise are:
Drop cable, optical cable, drop cable, Optical media converter, optical transceiver, optical coupler, optical modem, optical connector, optical distribution frame.
All of the products are widely used in telecom, electric power, railway and other related department, exporting France, India, Singapore, Malaysia.
Packing and Shipping
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If any questions, pls feel free to contact us. We would reply you within 24hours. Looking forward to hearing from you.
Thanks and best regards