Fiber Optic Dropwire (Twisted)
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Features
- This specification covers the requirements of the standard single mode fiber cable for access service (Dropwire Twisted) to be supplied to TOT Public Company Limited (TOT) intended primarily to use for outside plant network in aerial application.
- Designed and tested in accordance with Bellcore GR-20-CORE ,Bellcore GR-409RE,TIA/EIA-568B.3,ISO/IEC11801
ITU-T Rec. G.652D , IEC 60793-2B.3
- Mode field Diameter : The nominal value of the mode field diameter at 1310 nm shall be 9.2 nm. T Mode field Diameter he mode field diameter deviation shall not exceed the limits of 0.4 m
- Core-Clad Concentricity Error : The nominal value of the cladding diameter shall be 125 nm. The Core-Clad concentricity error shall not exceed the limit of 0.5 nm
SPECIFICATIONS
|
Optical Fiber |
SM-G652D |
|
Central Strength Member |
Materrial : FRP Diameter : ≥ 0.5 mm |
|
Loose Tube |
Structure : 6 Fiber per Tube Material : FBT Thixotropic : Jelly compound |
|
Stranding |
Reverse oscillating lay (ROL) Technique (SZ Direction) -1+3+3 |
|
Water Blocking Elements |
Water Swellable Yarn and Water Blocking Tape |
|
Support Strand |
Material : Galvanized Steel Wire Diameter : ≥ 1.6 mm Suspended tape : 2˟2 mm |
|
Sheath |
Meterial : HDPE Thickness------ ≥ 1.5 mm @ Cable Core ≥ 1.0 mm @ Support Strand |
|
Cable |
Diameter : Nom. Ø 802-12.8 mm Weigth : Approx. 75 Kg/Km |
|
Optical Fiber Color Code |
1.Blue 2. Orange 3. Green 4. Brown 5. Gray 6.White (EIA/TIA-598-A) |
|
Loose Tube Color Tube |
1.Blue 2. Orange |
|
Optical Performance |
Attenuation Coefficient : @ 1310 nm ≤ 0.35 dB/Km @ 1550 nm ≤ 0.21 dB/Km Chromatic Dispersion : @ 1310 nm < 3.5 ps/(nm.km) @ 1550 nm < 18 ps/(nm.km) |
|
Minimum Tensile Strength |
168 kg/cm2 |
|
Minimum Elongation |
300 % |
|
Operation Temperature |
-20 °C to +70 °C |
|
Water Resistant Test |
Sample-3m/water-1m/1h |
|
Trickle |
@90°C ≤ 0.05g |
|
Standard Length of Cable |
4.0 Km/drum |
|
size |
1.25(L)*1.2(H)*0.68(W) |
