Standard Loose Tube Light-armored Cable – GYTS
The Standard Loose Tube Light Armored Cable, or GYTS cable for short, is a type of outdoor fiber optic cable designed for aerial, duct, and direct buried applications.
Here’s a breakdown of its construction:
- Loose Tubes: GYTS cables contain multiple loose tubes, typically made of a high modulus plastic that is resistant to hydrolysis. Each tube contains a few color-coded optical fibers and is filled with a gel that protects the fibers from moisture and other environmental factors.
- Central Strength Member: A central strength member, usually a steel wire or fiberglass rod, runs through the center of the cable and provides tensile strength and stability.
- Filling Compound: The spaces between the loose tubes and the central strength member are filled with a water-resistant filling compound that provides additional protection from water ingress.
- Corrugated Steel Tape Armor: A layer of corrugated steel tape is applied longitudinally over the cable core. This armoring provides excellent crush resistance and protects the cable from rodent damage.
- Outer Sheath: The final layer is a black polyethylene (PE) sheath that protects the cable from ultraviolet radiation, abrasion, and other environmental hazards.
Here are some of the key features and benefits of GYTS cables:
- Excellent mechanical and temperature performance: Due to the loose tube design and controlled fiber excess length, GYTS cables can withstand a wide range of temperatures and harsh environments.
- Superior water blocking: The combination of water-resistant filling compound, central strength member, and Polyethylene sheath ensures excellent water blocking performance.
- Crush resistance and flexibility: The corrugated steel tape armoring and loose tube design make GYTS cables resistant to crushing and provide good flexibility for easy installation.
- Ultraviolet protection: The black PE outer sheath protects the cable from the harmful effects of ultraviolet radiation.
- Wide range of fiber counts: GYTS cables are available in a variety of fiber counts, typically from 2 to 288 fibers, to accommodate different applications.
- Standards compliance: GYTS cables typically comply with international standards such as IEC 60794-1 and YD/T 901-2001.
Overall, GYTS cables are a versatile and reliable choice for a variety of outdoor fiber optic applications. They offer excellent performance, durability, and water resistance, making them ideal for data centers, enterprise networks, and telecommunication applications.
Part No. | Fibers | Tubes | Cable OD
(mm) |
Weight Kg/km | Tensile strength Long term/short
term(N/1m) |
Crush resistance Long term/short
term(N/1m) |
Bending Radius Static/Dynamic
(mm) |
GYTS-2~6X | 2~6 | 1 | 9.5 | 100 | 600/1500 | 300/1000 | 10D/20D |
GYTS-8~12X | 8~12 | 2 | 9.5 | 100 | 600/1500 | 300/1000 | 10D/20D |
GYTS-14~18X | 14~18 | 3 | 9.5 | 100 | 600/1500 | 300/1000 | 10D/20D |
GYTS-20~24X | 20~24 | 4 | 9.5 | 100 | 600/1500 | 300/1000 | 10D/20D |
GYTS-26~30X | 26~30 | 5 | 9.5 | 100 | 600/1500 | 300/1000 | 10D/20D |
GYTS-32~36X | 32~36 | 6 | 10 | 119 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-38~48X | 38~48 | 4 | 11 | 136 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-50~60X | 50~60 | 5 | 11 | 136 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-62~72X | 62~72 | 6 | 12 | 155 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-74~84X | 74~84 | 7 | 13.6 | 192 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-86~96X | 86~96 | 8 | 13.6 | 192 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-98~108X | 98~108 | 9 | 15 | 227 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-110~120X | 110~120 | 10 | 15 | 227 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-122~132X | 122~132 | 11 | 16.9 | 227 | 1000/3000 | 300/1000 | 10D/20D |
GYTS-134~144X | 134~144 | 12 | 16.9 | 227 | 1000/3000 | 300/1000 | 10D/20D |
Standard color of fiber and tube The color code of the tubes and the individual fibers, shall be in accordance with the table as below:
No. | 1 | 2 | 3 | 4 | 5 | 6 |
Color | Blue | Orange | Green | Brown | Slate | White |
No. | 7 | 8 | 9 | 10 | 11 | 12 |
Color | Red | Black | Yellow | Violet | Pink | Aqua |
Package: Standard Reel Length: 2000m; OEM Package is available Once request. Optical fiber technical parameters-SMF:
Item | Unit | Specification |
Attenuation | dB/km | 1310nm≤0.4 ; 1550nm≤0.3 |
Dispersion | Ps/nm. km | 1285~1330nm≤3.5, 1550nm≤18.0 |
Zero dispersion wavelength | Nm | 1300~1324 |
Zero dispersion slope | Ps/nm. km | ≤0.095 |
Fiber cutoff wavelength | 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, dependence induced attenuation | 1550nm, 1turns,32mm diameter 100rums,60mm diameter | ≤0.5 dB |
Proof test | kpsi | ≥100 |
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