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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 Fiber |
Nominal Cable Diameter (mm) |
Approx. Cable Weight (kg/km) |
Minimum Bending Radius (mm) |
|
| Under Load | No Load | |||
| 31-60 | 9.8 | 133-136 | 196 | 98 |
| 61~72C | 10.5 mm | 183.17-187.68 | 210 | 105 |
- PHYSICAL / MECHANICAL / ENVIRONMENTAL PERFORMANCE AND TEST
2.1. Mechanical and Environmental Performance of the Cable
Table 2: The Mechanical and Environmental Performance of the Cable
| ITEMS | TEST METHOD AND ACCEPTANCE CRITERIA |
| Tenslide Strength | # Test method: IEC 60794-1-2-E1
– Mandrel diameter: 30D (D = Cable Diameter) – Max. tensile load: 500kg – Continuously tensile load : 200kg # Acceptance Criteria: – Graph of fiber elongation (at maximum load) : £ 0.6% – Attenuation increment: £ 0.1 dB |
| Compression Test | # Test method: IEC 60794-1-2-E3
– Applied load: 1100 N/50 mm for 10 minutes – No of points: 1 # Acceptance Criteria – Attenuation Increment: £ 0.10 dB – No jacket cracking and fiber breakage |
| Impact Resistance | # Test method: IEC 60794-1–2E4
– Height of impact: 100 cm – Drop hammer mass: 1 kg – Radius impact surface : 25 mm – No. of impact per point: 1 – No. of impact points: 10 points # Acceptance Criteria – Attenuation Increment : £ 0.10 dB – No jacket cracking and fiber breakage |
| Repeated Bending | # Test method: IEC 60794-1-2-Method E11A
– Sheave diameter: 20D (D = cable diameter) – Bend Angle : ± 90° – No. of flexing cycles : 25 cycles # Acceptance Criteria – Attenuation Increment : £ 0.10 dB – No jacket cracking and fiber breakage |
| 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-F1
– Temperature cycling schedule : 23°C ® -30°C ® +60°C ® 23°C – Soak time at each temperature : 24 h # Acceptance Criteria – Attenuation increment: £ 0.1 dB/km
|
| Water Penetration | # Test method: IEC 60794-1-2-F5
– Length of specimen: 1m – Height of pressure head: 1m – Test time: 1h # Acceptance Criteria – No jacket cracking and fiber breakage
|
2.2 Phisical Performance of the Cable
Table 3: Phisical Performance of the Cable
| ITEMS | SPECIFICATION |
| Skin Type | HDPE |
| Max. Electric field intensity | £ 3.5kN |
| Max.Loading Capacity (Working) | £ 2.5kN |
| Compression resitance | 1500N/10cm |
| Temperature Elongation | < 8.2×10-6/oC |
| Temprature range | -5 oC ~ 70 oC |
| Humidity | 1~100% |
| Min. Bend Radius before install | ≥ 20 instalments diameter |
| Min. Bend Radius after install | ≥ 10 instalments diameter |
