FTTH Indoor Fiber Optic Cable 1/2/4 Core
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 Cable Structure:
Good mechanical and environmental characteristics
Drop Cable 's Flame retardant characteristics meet the requirements of relevant standard
The mechanical characteristics meet the requirements of relevant standard
Soft, flexible, easy to lay and splice and with big capacity data transmission
Meets various requirements of market and clients
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.
3.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 |
Cable Customization:
Fiber types: Single-mode G. 652 or G. 655 or G657fiber, A1a or A1b multimode fiber, or other models and types of fiber;
Jacket material: Flame-retardant polyvinyl chloride (PVC), smoke halogen (LSZH), polyurethane (TPU) or other agreed material;
Jacket Color: (including fiber optic cable in color) the color of the standard requirements, but also other agreed upon color;
Cable Size: Nominal fiber size, but also other agreed size;
Delivery length: 1km or 2km, but also other agreed length;
Other requirements: Other special requirements agreed;
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.
We boost more than 50 sets of production and testing lines, as, 10 FTTH drop cable lines, 8 outdoor fiber optic cable lines, 3 indoor fiber optic cable lines, 4 OPGW lines, 4 ADSS lines, 3 color dying lines, 6 secondary coating lines, as well as about 20 testing lines.
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, and some related accessories.
All of the products are widely used in telecom, electric power, railway and other related department, exporting France, India, Singapore, Malaysia.
| ITEMS |
UNITS |
SPECIFICATION |
| Attenuation |
dB/km |
≤0.4 at 1310nm ≤0.3 at 1550nm |
| Chromatic Dispersion |
ps/nm.km |
≤3.5 at 1285nm ~ 1330nm ≤18.0 at 1550nm |
| Zero Dispersion Wavelength |
nm |
1300 ~ 1324 |
| Zero Dispersion Slope |
ps/nm2.km |
≤0.095 |
| Cut-off Wavelength (λcc, 22m of a cabled fiber) |
nm |
≤1260 |
| Mode Field Diameter |
um |
9.2±0.5 |
| Mode Field Concentricity |
um |
≤0.8 |
| Cladding Diameter |
um |
125±1.0 |
| Cladding Non-circularity |
% |
≤1.0 |
| Coating cladding concentricity error |
um |
≤12.5 |
| Coating Diameter |
um |
245±10 |
| Bending loss (Bare fiber) Radius :7.5mm x 1 turn |
dB |
≤0.5 at 1550nm |
| Proof Test |
kpsi |
≥100 |
If any questions, pls feel free to contact us. We would reply you within 24hours. Looking forward to hearing from you.
Audited Supplier 
Audited Supplier 
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