1. Product Description
This specification covers the general requirements and performance of cable for GYXTW, which FOC offered including optical characteristics, mechanical characteristics and geometrical characteristics and etc.
2. OPTICAL FIBER
Optical fiber characteristics (FPC G.652 FIBER)
| Category |
Description
|
Specifications
|
| G.652D |
| Optical Specifications |
Attenuation
|
@1310nm
|
≤0.35dB/km
|
|
@1550nm
|
≤0.22dB/km |
| @1625nm |
≤0.30dB/km |
|
Attenuation discontinuity
|
≤0.05 dB |
|
Attenuation vs. Wavelength
|
@1285~1330nm
|
≤0.05 dB/km
|
|
@1525~1575nm
|
≤0.05 dB/km |
|
Zero Dispersion Wavelength
|
1300~1324nm |
|
Zero Dispersion Slope
|
≤0.092ps/(nm2.km) |
|
Dispersion
|
@1310nm
|
≤3.5 ps/nm.km
|
|
@1550nm
|
≤18 ps/nm.km |
| Cable Cutoff Wavelength(λcc) |
≤1260nm |
|
Effective Group Index of Refraction
|
@1310nm
|
1.4675
|
|
@1550nm
|
1.4681 |
|
Geometric
Specifications
|
Mode Field Diameter |
@1310nm
|
9.2±0.6μm
|
|
@1550nm
|
10.4±0.8μm |
|
Cladding Diameter
|
125±1μm |
|
Cladding Non-Circularity
|
≤1.0% |
|
Coating Diameter
|
245±7μm |
|
Coating/Cladding Concentricity Error
|
≤8μm |
|
Core/Cladding Concentricity Error
|
≤0.8μm |
|
Mechanical
Specifications
|
Proof Test level
|
≥1.0%
|
|
Fiber Curl Radius
|
≥4.0m |
|
Peak Coating Strip Force
|
1.3~8.9N |
3. OPTICAL CABLE
|
Structure
|
Unit
|
Parameter
|
|
Fiber count
|
Fibers
|
2~12
|
16~24
|
|
Central Strength Member
|
mm
|
Ф1.0*2
|
Ф1.0*2
|
|
Cable diameter
|
mm
|
7.6
|
8.5
|
|
Outer Sheath Thickness
|
mm
|
Nom1.0 ,min 0.8
|
Nom1.0 ,min 0.8
|
|
Tensile strength
|
Long term |
N
|
600
|
600
|
| Short term |
N
|
1500
|
1500
|
|
Crush Resistance
|
Long term |
N
|
300
|
300
|
| Short term |
N
|
1000
|
1000
|
|
Bending Radius
|
Dynamic |
|
≥20×Cable Diameter
|
| Static |
|
≥10×Cable Diameter
|
|
Operating Temperature
|
℃
|
-40 --- +60
|
3.2 Fiber coding,The color coding of the optical fiber shall be in accordance with Table 3.2.1
|
No. of fiber
|
1
|
2
|
3
|
4
|
5
|
6
|
|
Color of fiber
|
Blue
|
Orange
|
Green
|
Brown
|
Grey
|
White
|
|
No. of fiber
|
7
|
8
|
9
|
10
|
11
|
12
|
|
Color of fiber
|
Red
|
Black
|
Yellow
|
Violet
|
Pink
|
Turquoise
|
|
No. of fiber
|
13
|
14
|
15
|
16
|
17
|
18
|
|
Color of fiber
|
Blue+S
|
Orange+S
|
Green+S
|
Brown+S
|
Grey+S
|
White+S
|
|
No. of fiber
|
19
|
20
|
21
|
22
|
23
|
24
|
|
Color of fiber
|
Red+S
|
Black+S
|
Yellow+S
|
Violet+S
|
Pink+S
|
Turquoise+S
|
GYXTW is a widely used fiber optic transmission line with many advantages. This article will provide a brief introduction to the advantages of GYXTW,
hoping to provide readers with a deeper understanding of GYXTW.
Firstly, GYXTW has a small damping coefficient, high bandwidth, and fast transmission speed. This means that GYXTW can transmit more
data and is faster, which can better meet the needs of users.
Secondly, GYXTW has high tensile strength, good durability, and reliability. This is very important for optical cables where pressure and tension
are constantly changing. GYXTW uses high-quality fiber optic cable materials that can be used for a long time without spoilage or aging.
GYXTW is also very convenient in terms of installation and maintenance. It does not require too much manpower and time to install, and maintenance
is also very simple, which can save a lot of cost and time. This makes it very popular in modern urban construction.
