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The core of the GJYXCH cable structure features a centrally located optical fiber unit, flanked by dual parallel Fiber Reinforced Plastic (FRP) elements on either side. To enhance mechanical strength, a steel wire reinforcement is incorporated into the design. The entire assembly is then encased in a protective outer layer, utilizing either black or colored Low Smoke Zero Halogen (LSZH) material for the final sheathing. Fiber bend radius remains above 30mm. Whereas, tensile strength reaches 800 N. Cable diameter support is 8-16 mm.
FTTH Butterfly Optic Cable
[GJYXCH(V)]
The GJYXCH cable features a central strength member. You get options between 250µm or 900µm tight buffer fibers. It has a diameter ranging from 2.0mm to 3.0mm. Outer jacket options are PVC, or LSZH. Find tensile strengths to reach 600N. Consider crush resistance reaching up to 1000N/100mm.
The G.657A fiber minimizes bending loss. The operating temperature range spans from -20°C up to +60°C whereas storage occurs between -40°C and +70°C. Sheath material contains UV resistance additives.
Specially designed bend-insensitive fiber delivers high bandwidth and superior transmission quality. Dual FRP reinforcements enhance crush resistance for fiber protection, while a steel wire boosts tensile strength. The lightweight, practical design features an innovative groove pattern for easy stripping, splicing, and simplified installation and maintenance.
1. CABLE CONSTRUCTION
1.1 CROSS SECTIONAL DIAGRAM
1.2 STRUCTURE SPECIFICATION
|
Cable Type |
GJYXCH(V) |
|
Fiber Count |
1 ~ 4 |
|
The Color Code of The Fibers |
Natural/Blue, Orange, Green, Brown |
|
Strength Member |
Steel Wire |
|
Messenger Wire |
Galvanized Steel Wire or Phosphating Steel Wire |
|
Jacket Material: |
PVC/LSZH |
|
OD of Cable(mm) |
2.0 × 5.0 ± 0.2 |
|
Net Weight ( kg/km) |
18.7 |
|
Max.Tensile Loading (N) |
600 |
Remarks:The Single core optical fiber color is natural.
2. Performance Parameters Of the Optical Fiber
2.1 Single Mode Fiber
|
ITEMS |
UNITS |
SPECIFICATION |
||
|
Fiber Type |
|
G652D |
G657A |
|
|
Attenuation |
dB/km |
1310 nm≤ 0.36 1550 nm≤ 0.22 |
||
|
Chromatic Dispersion |
|
1310 nm≤ 3.6 1550 nm≤ 18 1625 nm≤ 22 |
||
|
Zero Dispersion Slope |
≤ 0.092 |
|||
|
Zero Dispersion Wavelength |
nm |
1300 ~ 1324 |
||
|
Cut-off Wavelength (λcc) |
nm |
≤ 1260 |
||
|
Attenuation vs. Bending (60mm x100turns) |
dB |
(30 mm radius，100 rings )≤ 0.1 @ 1625 nm |
(10 mm radius，1 ring)≤ 1.5 @ 1625 nm |
|
|
Mode Field Diameter |
μm |
9.2 ± 0.4 at 1310nm |
9.2 ± 0.4 at 1310nm |
|
|
Core-Clad Concentricity |
μm |
≤ 0.5 |
≤ 0.5 |
|
|
Cladding Diameter |
μm |
125 ± 1 |
125 ± 1 |
|
|
Cladding Non-circularity |
% |
≤ 0.8 |
≤ 0.8 |
|
|
Coating Diameter |
μm |
245 ± 5 |
245 ± 5 |
|
|
Proof Test |
Gpa |
≥ 0.69 |
≥ 0.69 |
|
03
2.2 Multi Mode Fiber
|
ITEMS |
UNITS |
SPECIFICATION |
|||||||
|
62.5/125 |
50/125 |
OM3.150 |
OM3.300 |
OM4.550 |
|||||
|
Fiber Core Diameter |
μm |
62.5 ± 2.5 |
50.0 ± 2.5 |
50.0 ±2 .5 |
|||||
|
Fiber Core Non-circularity |
% |
≤ 6.0 |
≤ 6.0 |
≤ 6.0 |
|||||
|
Cladding Diameter |
μm |
125.0 ± 1.0 |
125.0 ± 1.0 |
125.0 ± 1.0 |
|||||
|
Cladding Non-circularity |
% |
≤ 2.0 |
≤ 2.0 |
≤ 2.0 |
|||||
|
Coating Diameter |
μm |
245 ± 10 |
245 ± 10 |
245 ± 10 |
|||||
|
Coat-Clad Concentricity |
μm |
≤ 12.0 |
≤ 12.0 |
≤ 12.0 |
|||||
|
Coating Non-circularity |
% |
≤ 8.0 |
≤ 8.0 |
≤ 8.0 |
|||||
|
Core-Clad Concentricity |
μm |
≤ 1.5 |
≤ 1.5 |
≤ 1.5 |
|||||
|
Attenuation |
850nm |
dB/km |
3.0 |
3.0 |
3.0 |
||||
|
1300nm |
dB/km |
1.5 |
1.5 |
1.5 |
|||||
|
OFL |
850nm |
≥ 160 |
≥ 200 |
≥ 700 |
≥ 1500 |
≥ 3500 |
|||
|
1300nm |
≥ 300 |
≥ 400 |
≥ 500 |
≥ 500 |
≥ 500 |
||||
|
The biggest theory numerical aperture |
/ |
0.275 ± 0.015 |
0.200 ± 0.015 |
0.200 ± 0.015 |
|||||
3. Mechanical and Environmental Performance of the Cable
|
NO |
ITEMS |
TEST METHOD |
ACCEPTANCE CRITERIA |
|
1 |
Tensile Loading Test |
#Test method: IEC 60794-1-E1 -. Long-tensile load: 0.5 times the short-term pulling force -. Short-tensile load: reference to clause 1.2 -. Cable length: ≥ 50 m |
-. Attenuation increment@1550 nm: ≤ 0.1 dB -. No jacket cracking and fiber breakage |
|
2 |
Crush Resistance Test |
#Test method: IEC 60794-1-E3 -.Long load: 1000 N/100mm -.Short load: 2200 N/100mm Load time: 1 minutes |
-. Attenuation increment@1550 nm: ≤ 0.4 dB -. No jacket cracking and fiber breakage |
|
3 |
Impact Resistance Test |
#Test method: IEC 60794-1-E4 -.Impact height: 1 m -.Impact weigh: 100 g -.Impact point: ≥ 3 -.Impact frequency: ≥ 1/point |
-. Attenuation increment@1550 nm: ≤ 0.4dB -. No jacket cracking and fiber breakage |
|
4 |
Repeated Bending |
#Test method: IEC 60794-1-E6 -.Mandrel diameter: 30 H -.Subject weight: 2 kg -.Bending frequency: 300times -.Bending speed: 2 s/time |
-. Attenuation increment@1550 nm: ≤ 0.4 dB -. No jacket cracking and fiber breakage |
|
5 |
Torsion Test |
#Test method: IEC 60794-1-E7 -.Length: 1m -.Subject weight: 2 kg -.Angle: ±180 degree -.Frequency: ≥ 20/point |
-. Attenuation increment@1550 nm: ≤ 0.4 dB -. No jacket cracking and fiber breakage |
|
6 |
Temperature Cycling Test |
#Test method: IEC 60794-1-F1 -.Temperature steps: + 20℃、- 10℃、+ 60℃、- 20℃ -.Testing Time: 8 hours/step -.Cycle index: 2 |
-. Attenuation increment@1550 nm: ≤ 0.3 dB -. No jacket cracking and fiber breakage |
|
7 |
Temperature |
Operating: -10℃~+60℃ Store/Transport: -10℃~+60℃ Installation: -10℃~+60℃ |
|
|
|
4. FIBER OPTIC CABLE BENDING RADIUS
Static bending: ≥ 10 times than cable out diameter
Dynamic bending: ≥ 20 times than cable out diameter.
5. PACKAGE AND MARK
5.1 PACKAGE
Not allowed two length units of cable in one drum, Two ends should be packed inside drum, reserve length of cable not less than 1meter.
5.2 MARK
Cable Mark: Brand, Cable type, Fiber type and counts, Year of manufacture and Length marking.
6. TEST REPORT
Test report and certification supplied.
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