Tiếng Việt
Get Free Non – Metallic Duct Cable:
Optical Fiber Cable (DUC-GE) 4-144 Cores
– SPECIFICATION FOR Single mode of Duct Optical Fiber
( DUC_GE) 4-144 cores
- CABLE CONSTRUCTION
1.1 Cross-sectional Drawing of Cable
Diameter, Composition and Weight
Table 1
| No. of Fiber | Nominal
Cable Diameter (mm) |
Approx. Cable Weight
(kg/km) |
Minimum Bending Radius (mm) | |
| Under Load | No Load | |||
| 4 – 30 | 9.3 | 77.6 – 82.2 | 215 | 110 |
| 31 – 60 | 10.4 | 94.2 – 96.7 | 230 | 120 |
| 61 – 72 | 11.1 | 110.9 – 113 | 240 | 120 |
| 73 – 96 | 12.7 | 145.6 – 148 | 273 | 136 |
| 94 – 144 | 16.4 | 220.7 – 225.5 | 350 | 175 |
- . PHYSICAL / MECHANICAL / ENVIRONMENTAL
PERFORMANCE AND TESTS
2.1 Mechanical and Environmental Performance of the Cable
The mechanical and environmental performance of the cable shall be in accordance with Table 2 below. Unless otherwise specified, all attenuation measurements required in this section shall be performed at 1550nm for single mode fiber
Table 2. The Mechanical and Environmental Performance of the Cable
| ITEMS | TEST METHOD AND
ACCEPTANCE CRITERIA |
| Tensile Strength | # Test method: IEC 60794-1-2 Method E1
– Mandrel diameter: 20D (D = cable diameter) – Length under tension: ³ 50 m – Max tensile load shall be 80-225kg. # Acceptance Criteria – Attenuation increment: £ 0.1 dB – No jacket cracking and fiber breakage – Graph of elongation(cable and fiber) to the applied load shall be submitted. |
| Compression Test | # Test method: IEC 60794-1-2 Method E3
– Applied load: 1100 N/50 mm – No of points: 1 point # Acceptance Criteria – Attenuation Increment: £ 0.1 dB after completion of the test -. No jacket cracking and fiber breakage |
| Impact resistance | # Test method: IEC 60794-1 Method E4
– Height of impact: 1 m – Drop hammer mass: 2 kg – Radius impact surface: 25 mm – No. of impact per point: 1 time – No. of impact points: 10 points (100mm interval) # Acceptance Criteria -. Attenuation Increment : £ 0.1 dB after completion of the test -. No jacket cracking and fiber breakage |
| Repeated Bending | # Test method: IEC 60794-1-2 Method E6
– Sheave diameter: 15D (D = cable diameter) – Flexing speed: Minimum 12 cycles/minute – Applied mass: 3kg – No. of flexing cycles: 50 cycles # Acceptance Criteria – Attenuation Increment: £ 0.1 dB after completion of the test – No jacket cracking and fiber breakage |
Table 2. The Mechanical and Environmental Performance of the Cable (Continued)
| ITEMS | TEST METHOD AND
ACCEPTANCE CRITERIA |
| Twisted Test | # Test method: IEC 60794-1-2-E7
– Cable length twisted: 2m – No. of twist cycles: 10 cycles – Twist angle: ± 180° # Acceptance Criteria – Attenuation Increment: £ 0.10 dB After the completion of the test – No jacket cracking and fiber breakage |
| Temperature Cycling | # Test method: IEC 60794-1-2 Method F1
– Cable length: at least 500m – At least 6 fibers shall be spliced and tested. – Temperature cycling schedule : 23°C ® -30°C ® 70°C ® -30°C ® 70°C – Soak time at each temperature: 24 hours # Acceptance Criteria – Attenuation increment: £ 0.1 dB/km |
| Compound Flow (Dripping) | # Test method: IEC 60794-1- Method E14
– Length of specimen: 0.3m * Outer jacket and corrugated steel tape shall be removed before testing. – Test time: 24 hours – Test temperature: 60°C # Acceptance Criteria – No compound driped from LT – No fibers moved |
| Water Penetration | # Test method: IEC 60794-1-2 Method F5
– Length of specimen: 3m * Outer jacket and corrugated steel tape shall be removed before testing. – Height of pressure head: 3m – Test time: 24 hours # Acceptance Criteria -.No leakage through the open cable end |
2.2 Physical Performance of the Cable
Table 3- Physical Performance of the Cable
| ITEMS | SPECIFICATION |
| Skin Type | HDPE |
| Max. loading capacity (install) | ≤ 3.5kN |
| Max. loading capacity (working) | ≤ 2.5kN |
| Compression resitance | 2000N/10cm |
| temprature Elongation | < 8.2 x 106/0C |
| temperature range | -50C – 700C |
| Hummidity | 1 – 100% |
| Max. Bend radius before install | ≥ 20 instalments diameter |
| Min. Bend radius after install |
Related Products
NON-METALLIC FIBER OPTICAL CABLE FIGURE 8
GET FREE AERIAL CAPB L(E FIG 8) AESS-GESS 9/125 x 4~144C Application: – When the terrain is unsuitable for underground cable – Where a permanent underground cable cannot be satisfactorily established – Where short term provision for growth is necessary 1. CABLE STRUCTURE 1.1: Cross-sectional Drawing of Cable Table 1 – Diameter, Composition and Weight: No. of…
Direct Buried Cable
Direct Burried Optical Fiber Cable (DBC-ESP) 4-144 Cores – SPECIFICATION For Single Mode of steel – tape armored CABLE CONSTRUCTION 1.1 Cross-sectional Drawing of Cable 1.2 Diameter, Composition and Weigh Table 1 No. of Fiber Nominal Cable Diameter (mm) Approx. Cable Weight (kg/km) Minimum Bending Radius (mm) Under Load No Load 4-30 11.7 160.1-164.7…
Gel Free None-Metallic Direct Buried Cable:
Gel Free None Metallic Direct Burried Optical Fiber Cable (DBC-EGE) 4-144 Cores – SPECIFICATION For Single Mode of Gel free None-Metallic Direct Burried Optical Fiber Cable (DBC-EGE)4-144 cores 1.CABLE CONSTRUCTION 1.1 Cross-sectional Drawing of Cable 1.2 Diameter, Composition and Weight Table 1 No. of Fiber Nominal Cable Diameter (mm) Approx. Cable Weight (kg/km) Minimum Bending…
