Communication Single-Mode 24.4km/48.8km/50.4km Per Reel G652D G657A2 Optic Optical Fiber
Product Specifications
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Fiber Type
G652.D
G657.A1
G657.A2
Reel Length
24.4km
48.8km
50.4km
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Product Details
| Customization: | Available |
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| Application: | Communication |
| Type: | Single-mode Fiber |
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Basic Info.
- Model NO.
- G652D, G657A1, G657A2
- Connection Structure
- Optical Fiber
- Material Shape
- Round Wire
- Allowed Lateral Pressure
- N/M
- Allowed Tensile Strength
- 100N<1000N
- Core
- Single Core
- Certification
- ISO9001
- Brand
- Changrong
- Sheath Material
- PVC
- Fiber Type
- G652D, G657A1, G657A2
- Fiber Color
- Bare or Colored
- Attenuation@1310
- 0.35 dB/Km
- Attenuation@1550
- 0.21 dB/Km
- Coating Diameter
- 243±5μm
- Cladding Diameter
- 125μm
- Transport Package
- Plastic Reels Packed in Carton
- Specification
- 24.4km/48.8km/50.4km per reel
- Trademark
- Changrong Tech
- Origin
- Anhui, China
- HS Code
- 9001100001
- Production Capacity
- 15, 000, 000 Km/Year
Packaging & Delivery
- Package Size
- 60.00cm * 60.00cm * 32.00cm
- Package Gross Weight
- 28.000kg
Product Description
ITU-T G652D/ G657A1/ G657A2 Single-Mode Optical Fiber 9/125μm for Communication
Factory Direct Supply
SM Fiber Model: G652D, G657A1, G657A2
Standard Reel Length: 24.4km, 48.8km, 50.4km
Fiber Color: Natural or Colored (12 colors)
Attenuation: @1310nm ≤0.35dB/km; @1550nm≤0.21dB/km
Package: plastic reels packed in carton box
Annual output: 15,000,000 kilometers
Annual output: 15,000,000 kilometers
Production lines: 9 Fiber Drawing Towers (totally 18 production lines)
G652.D
G657.A1
G657.A2
Low Water Peak Non-Dispersion Shifted Single Mode Optical Fiber
G652.D single-mode optical fiber is a high-performance, cost-effective, and versatile solution for modern optical communication networks. Its key strengths include a wide wavelength window (1260–1625 nm), low attenuation (especially in the 1550nm band), stable dispersion, and strong mechanical reliability. It is widely used in 5G, DCI, metro/long-haul backbone, and FTTx systems, and will continue to be the backbone of global digital infrastructure for the foreseeable future.
Bending Insensitive Single Mode Optical Fiber
G657.A1 Bending-loss insensitive single-mode optical fiber bears the entire characteristics of non-dispersion shifted single-mode optical fiber and superior bending performance, which is applicable to transmission over entire wavelength from 1260 nm to 1625 nm. Under the condition of long wave band, the bending radius could be as small as 10mm.
Bending Insensitive Single Mode Optical Fiber
G657.A2 bears the entire characteristics of non-dispersion shifted single-mode optical fiber and superior bending performance, which is applicable to transmission over entire wavelength from 1260nm to 1625nm. It has low macro-bending loss and even with the bending radius of 7.5mm,and the macro-bending loss at 1625nm is only 0.8 dB.
Specification
The single-mode fiber cross-section follows a three-layer design, as shown below:
Layer | Composition | Diameter | Function |
Core | High-purity silica (SiO2) doped with germanium (GeO2) | 9 μm | Transmits the main optical signal; germanium doping increases refractive index to confine light. |
Cladding | Pure silica (SiO2) | 125 μm | Has a lower refractive index than the core, forming a "light trap" via total internal reflection. |
Coating | UV-cured acrylate polymer | 250 μm | Protects the fiber from mechanical damage (e.g., scratches) and moisture; provides flexibility. |
Technical Parameters :
Model | G652.D | G657.A1 | G657.A2 | ||
Characteristics | Unit | Value | Value | Value | |
Geometrical | Cladding Diameter | μm | 125.0±0.7 | 125.0±0.7 | 125.0±0.7 |
Cladding Non-circularity | % | ≤1.0 | ≤1.0 | ≤1.0 | |
Core-Cladding Concentricity Error | μm | ≤0.6 | ≤0.5 | ≤0.5 | |
Coating Non-circularity | % | ≤6.0 | ≤6.0 | ≤6.0 | |
Coating Diameter | μm | 243±5.0 | 243±5.0 | 243±5.0 | |
Coating-Cladding Concentricity Error | μm | ≤12 | ≤10 | ≤12 | |
CurlRadius | m | ≥4 | ≥4 | ≥4 | |
Attenuation | 1310nm | dB/km | ≤0.35 | ≤0.35 | ≤0.35 |
1383nm | dB/km | ≤0.33 | ≤0.33 | ≤0.33 | |
1550nm | dB/km | ≤0.21 | ≤0.21 | ≤0.21 | |
1625nm | dB/km | ≤0.24 | ≤0.23 | ≤0.23 | |
MFD | 1310nm | μm | 9.1±0.4 | 8.8±0.4 | 8.6±0.4 |
1550nm | μm | 10.4±0.5 | 9.7±0.6 | 9.7±0.6 | |
Fiber Cut-off Wavelength λcc | nm | 1180-1330 | 1180-1330 | 1180-1330 | |
Item | Fiber Type | Conditions | Unit | Standard Value |
Macro-bending Loss | G652.D | (100 turns; diameter 60 mm) @1625 nm | dB | ≤0.05 |
G657.A1 | (10 turns; diameter 30 mm) @1550 nm | dB | ≤0.25 | |
(10 turns; diameter 30 mm) @1625 nm | dB | ≤1.0 | ||
(1 turns; diameter 20 mm) @1550 nm | dB | ≤0.75 | ||
(1 turns; diameter 20 mm) @1625 nm | dB | ≤1.5 | ||
G657.A2 | (10 turns; diameter 30 mm) @1550 nm | dB | ≤0.03 | |
(10 turns; diameter 30 mm) @1625 nm | dB | ≤0.1 | ||
(1 turns; diameter 20 mm) @1550 nm | dB | ≤0.1 | ||
(1 turns; diameter 20 mm) @1625 nm | dB | ≤0.2 | ||
(1 turns; diameter 15 mm) @1550 nm | dB | ≤0.5 | ||
(1 turns; diameter 15 mm) @1625 nm | dB | ≤1.0 |
Environmental Performance | |||
Characteristics | Conditions | Unit | Standard Value |
Temperature Cycling | -60℃ ~+85℃ | dB/km | ≤0.05 |
Damp Heat Aging | 85℃, RH 85%, 30 Days | dB/km | ≤0.05 |
Water Immersion | 23℃, 30 Days | dB/km | ≤0.05 |
Dry Heat Aging | 85℃, 30 Days | dB/km | ≤0.05 |
Colored Single Mode Fiber | |||||
1 | 2 | 3 | 4 | 5 | 6 |
Blue | Orange | Green | Brown | Grey | White |
7 | 8 | 9 | 10 | 11 | 12 |
Red | Black | Yellow | Violet | Pink | Aqua |
Packing & Delivery
Company Profile
Anhui Changrong Optical Fiber & Cable Technology Co.,Ltd. located in Chuzhou, near Nanjing, which is belong to the Yangtse River Delta Ecomomic Circle, is a professional manufacturer of optical fiber and cables. It 's establish in 2017 with a covering area of 230,000 m2.
We have 18 cutting-edge fiber drawing lines for single mode optical fiber production, with annual output 15,000,000 core kilometers;
Meanwhile 18 production lines for outdoor optical fiber cables, including ADSS, Drop, FIG8, Aerial Fiber Cable, Direct Buried Fiber Cable, Duct Fiber Cable, Air-blown Cable, etc.
What's more, we own advanced labs with full sets of quality control equipment introduced from United States, France & Germany.
Our optical fiber cables have been widely applied in domestic market like China Mobile, China Unicom, China Telecom, etc. and exported to overseas market like Latin America, Africa, Southeast Asia, etc.
Optical Fiber Workshop
Optical Fiber Cable Workshop
Optical Fiber Cable Testing
9 Cutting-edge Fiber Drawing Towers;
18 Fiber Drawing Production Lines;
15 Million Kilometers Annual Output;
Advanced Fiber Testing Equipment: Optical, Geometrical, Mechanical and Environmental Performance
18 Cable Production Lines:
ADSS Fiber Optic Cable;
Figure 8 Aerial Self-support Fiber Cable;
Underground Duct/ Direct Buried Fiber Cable;
FTTH Drop Cable;
Air-Blown Microduct Cable;
CNAS Certified Testing Center:
Rigorous Quality Control under ISO9001 and Industrial Standards;
Full sets of Optical Cable Mechanical Performance Testing: Tensile Test, Bending Test, Impact Test, Torsion Test, Crush Test, etc.
1. Totally 18 Optical Cable Production Lines, able to manufacture bulk orders with prompt delivery.
2. Reliable Technical Support, meet the needs of different structure design and technical requirements.
3. Totally 18 Optical Fiber Production Lines, with annual output 15 million kilometers, able to produce A-grade Single Mode Fibers with high speed.
4. Own laboratory with full sets of advanced testing equipment, strict quality control under ISO9001 management system, industrial and international standards IEC60794-1.
5. Supply OEM/ ODM service.
2. Reliable Technical Support, meet the needs of different structure design and technical requirements.
3. Totally 18 Optical Fiber Production Lines, with annual output 15 million kilometers, able to produce A-grade Single Mode Fibers with high speed.
4. Own laboratory with full sets of advanced testing equipment, strict quality control under ISO9001 management system, industrial and international standards IEC60794-1.
5. Supply OEM/ ODM service.
1.Are you the real factory?
Yes. We are the real factory located in Chuzhou city, Anhui Porvince, China. Welcome to go to the factory tour!
Yes. We are the real factory located in Chuzhou city, Anhui Porvince, China. Welcome to go to the factory tour!
2.What is your fiber brand ?
We have our own fiber production lines and the preforms are from YOFC, FIBERHOME.
3.Can you accept small order?
Yes, small order is available .We support new project of our customers as we know business is always from small order.
4.What is your warranty period?
25 years for fiber optic cable
5.Do you have certificate?
ISO9001, ISO14001, ISO45001, TLC, CNAS
6.What is your delivery time?
Usually within 15 working days
7.What about your annual production capacity?
Outdoor Fiber Optic Cable: 350,000 KM per year;
FTTH Drop Cable: 200,000 KM per year;
We have our own fiber production lines and the preforms are from YOFC, FIBERHOME.
3.Can you accept small order?
Yes, small order is available .We support new project of our customers as we know business is always from small order.
4.What is your warranty period?
25 years for fiber optic cable
5.Do you have certificate?
ISO9001, ISO14001, ISO45001, TLC, CNAS
6.What is your delivery time?
Usually within 15 working days
7.What about your annual production capacity?
Outdoor Fiber Optic Cable: 350,000 KM per year;
FTTH Drop Cable: 200,000 KM per year;
Optical fibers: 15,000,000 KM per year;
8.What is your payment way?
T/T, L/C, Western Union and Paypal.
9.Can you supply customized products and logo?
Yes. We supply OEM&ODM service. You can send us your drawing.
8.What is your payment way?
T/T, L/C, Western Union and Paypal.
9.Can you supply customized products and logo?
Yes. We supply OEM&ODM service. You can send us your drawing.
10.Shipping and Delivery
For large orders: by sea (LCL or FCL)
For small orders: by sea (LCL), by air or by courier service
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