GYFY Three Unit Optical Cable
GYFY(3Unit CABLE CORE)-12 B1.3
General
This specification covers the design requirements and performance standard for the supply of optical fibre cable in the industry. It also includes FCJ GROUP premium designed cable with optical, mechanical and geometrical characteristics. Suitable for self-supporting aerial installation for small span
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Cable type |
Application |
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GYFY(3Unit CABLE CORE)-12B1.3 |
Self-supporting aerial installation |
Quality
FCJ GROUP cable has excellent optical transmission and physical performance, to meet customer requirements.
Reliability
Initial and periodic qualification tests for raw material and cable product are performed to assure the cable’s performance and durability in the field environment.
Reference
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ITU-T G.652 |
Characteristics of a single-mode optical fiber |
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IEC 60794-1-1 |
Optical fiber cables- part1-1-Generic specification-General |
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IEC 60794-1-21 |
Optical fiber cables- part1-2-Generic specification-Basic optical cable test procedure-Mechanical test methods |
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IEC 60794-1-22 |
Optical fiber cables- part1-2-Generic specification-Basic optical cable test procedure-Environmental test methods |
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IEC 60794-3-20 |
Optical fiber cables –Part 3-20: Outdoor cables – Family specification for self-supporting aerialtelecommunication cables |
Working Condition:
Transportation and storage temperature: -40℃～+70℃
Installation temperature: -10℃～+60℃
Operation temperature: -20℃～+60℃
Minimum Allowable Bending Radius
Static: 10D
Dynamic: 20D
D is the out diameter of the cable
Life Time
Optical fiber cables supplied in compliance with the specifications can be capable of withstanding the typical service condition for a period of twenty-five (25) years without detriment to the transmission or operation and maintenance characteristics of the cable.
Optical Fiber In Cable(ITU-T G.652D)
Optical properties of the SM fiber are achieved through a germanium doped silica based core with a pure silica cladding which meets ITU-T G.652D, UV curable acrylate protective coating is applied over the glass cladding to provide the necessary maximum fiber lifetime.
Geometrical, optical, and mechanical characteristics of fiber in cable as the following table:
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Category |
Description |
Specification |
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Before cable |
After cable |
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Geometrical Characteristics |
Cladding diameter |
125.0 ±1mm |
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Cladding non-circularity |
£ 1.0 % |
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Core concentricity error |
£ 0.6mm |
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Coating diameter |
245± 10mm(Before Colored) 250 ± 15 mm (Colored) |
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Coating/cladding concentricity error |
£12mm |
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Optical Characteristics |
Mode field diameter at 1310 nm |
9.2±0.4mm |
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Point discontinuity |
£ 0.05dB |
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Attenuation at 1310 nm |
£0.345dB/km |
£0.36 dB/km |
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Attenuation at 1550 nm |
£ 0.205dB/km |
£ 0.22dB/km |
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Dispersion in 1288 – 1339 nm |
£3.5 ps/(nm·km) |
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Dispersion in 1271 – 1360 nm |
£ 5.2 ps/(nm·km) |
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Dispersion at 1550 nm |
£ 18 ps/(nm·km) |
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Zero dispersion wavelength |
1300 – 1324 nm |
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Zero dispersion slope |
£0.092 ps/(nm2·km) |
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Cable cut-off wavelength |
£1260 nm |
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Polarization mode dispersion individual fiber |
£0.2 ps/Ökm |
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Polarization mode dispersion design link value (M=20, Q=0.01%) |
£ 0.1 ps/Ökm |
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Macro-bend loss (100 turns, 30mm radius, 1550/1625nm) |
£ 0.1 dB |
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Mechanical Specification |
Proof stress level |
³100kpsi (0.69 GPa) |
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Coating strip force(peak value) |
1.3~8.9N |
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Fiber curl (Radius) |
³ 4 m |
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Optic Cable
General Design
Optical fibers are housed in loose tubes that are made of high-modulus plastic and filled with waterproof compound.
Loose tubesand FRP are SZ stranded together.
Water blocking yarns are used in the cable core to prevent it from water ingress.
Polyethylene outer sheath is extruded around the cable.
One ripcord is used under the cable sheath to open it.
Construction
Cross Section of Cable
GYFY(3 Unit)-12B1.3 ( not scale)
Dimensions and Descriptions of Cable Constructions
|
Item |
contents |
80M SPAN Value |
120M SPAN Value |
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12 |
|||
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Loose tube |
Number |
1 |
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Diameter (mm) |
2.1 |
2.2 |
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FRP |
Number |
2 |
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Diameter (mm) |
2.0 |
2.25 |
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Max. fiber counts per tube |
G.652D |
12 |
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Water Blocking Material |
Material |
Water Blocking Yarn |
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Sheath |
Material |
PE |
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Color |
Black |
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Thickness (mm) |
Minimum: 0.8 |
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Ripcord |
Number |
1 |
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Cable diameter(mm) Approx. |
6.6 |
7.0 |
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Cable weight(kg/km) Approx. |
40 |
50 |
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Mechanical& Environmental Performance of Cable
|
Item |
Contents |
Value |
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Max. tensile load |
Short term |
1.5G |
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Max. crush resistance |
Short term |
1000 N/100mm |
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Min. bending radius |
Installation |
20 x cable diameter |
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Operation |
10 x cable diameter |
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Temperature range |
Operation |
-20℃ ~ +60℃ |
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Installation |
-10℃ ~ +60℃ |
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Storage/transportation |
-40℃ ~ +70℃ |
Main mechanical & environmental performance test
|
Item |
Test Method |
Acceptance Condition |
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Tensile Strength IEC 60794-1-2-E1 |
- Load: Short term tension - Length of cable: ≥ 50m - Load time: 10min |
- Loss change £ 0.05dB@1550nm after test. - No fiber break and no sheath damage. |
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Crush Test IEC 60794-1-2-E3 |
- Load: Short term crush - Load time: 1min |
- Loss change £ 0.05dB@1550nm after test. - No fiber break and no sheath damage. |
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Impact Test IEC 60794-1-2-E4 |
- Radius: 300 mm - Points of impact: 3 - Times of per point: 1 - Impact energy: 5J |
- Loss change £ 0.05dB@1550nm after test. - No fiber break and no sheath damage. |
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Cable bend IEC 60794-1-2-E11 |
- Diameter of mandrel:10 x OD - Number of cycles:20 |
- Loss change £ 0.05dB@1550nm after test. - No fiber break and no sheath damage. |
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Torsion IEC 60794-1-2-E7 |
- Length: 1m - Twist angle: ±180° - No. of cycle: 5 |
- Loss change £ 0.1dB@1550nm after test. - No fiber break and no sheath damage. |
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Water Penetration IEC 60794-1-2-F5 |
- Height of water: 1m - Sample length: 1m - Time: 24h |
- No water leak from the cable core of the opposite end |
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Temperature Cycling IEC 60794-1-2-F1 |
- Temperature:-20℃~+60℃ - Time of each step: 12h - Number of cycle: 3 |
- Loss change £ 0.05dB/km@1550nm after test. - No fiber break and no sheath damage. |
Remark: “No attenuation changes” is considered as the attenuation changes ≤ 0.05 dB.
Color Code of the Fiber
Each fiber can be identifiable throughout the length of the cable in accordance with the following color sequence. Fiber color in each tube starts from No. 1 Blue.
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Fiber color code |
1 |
2 |
3 |
4 |
5 |
6 |
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Blue |
Orange |
Green |
Brown |
Slate |
White |
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7 |
8 |
9 |
10 |
11 |
12 |
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Red |
Black |
Yellow |
Purple |
Pink |
Aqua |
The Color of the Loose is natural
Packaging and Drum
Cable Sheath Marking
Unless otherwise specified, the cable sheath marking shall be as follows:
ØColor: white
ØContents: FCJ GROUP, the year of manufacture, the type of cable, cable number, length marking
ØInterval: 1±0.2% m
Outer sheath marking legend can be changed according to user’s requests.
Reel Length
Reel length: 6 km/reel.
Cable Drum
The cables are packed in fumigated wooden drums.
Cable Packing
Both cable ends are protected against water penetration and firmly secured to the drum, so the cable cannot move and the turns cannot slide when it is moved, handled or laid. The inner end has around 3 meters of accessible length to perform reception tests.
Other packing method is also available according customer’s requirement.
Why choose us?
- Our dedicated customer service team is available to help customers with any questions or concerns they may have about our Outdoor Optical Cable products.
- Our company takes achieving social benefits and taking social responsibility as the ultimate goal, and at the same time, it also brings more profits and greater development space for the enterprise.
- Customers can trust us to provide high-quality Outdoor Optical Cable products, and they can count on our professional service team to ensure their satisfaction.
- We design a complete set of GYFY Three Unit Optical Cable for related enterprise and individual users, and constantly strive to meet the diverse needs of customers.
- Our factory takes great pride in our ability to produce high-quality Outdoor Optical Cable products that meet customer needs.
- Our professional sales engineers are equipped to provide customers with economical and practical products.
- We offer prompt delivery of our Outdoor Optical Cable products, ensuring our customers receive their products on time.
- We adhere to the principle of mutual benefit and enjoy a good reputation among our customers because of our perfect service, high quality GYFY Three Unit Optical Cable and competitive prices.
- Our Outdoor Optical Cable products are designed to provide reliable communications in areas where other solutions fail.
- Our company has carried out a series of technological innovations over the years, constantly expanding the scale of production.
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