The Smooth Fibre Unit (SFU) consists of a bundle of low bend radius, no water peak G.657.A1 fibres, encapsulated by a dry acrylate layer and protected by a smooth, slightly ribbed polyethylene outer sheath, for application in the access network. Installation: blowing into micro ducts of 3.5mm. or 4.0mm. (inside diameter).
Product Name: The Smooth Fibre Unit (SFU) 1-12 Core
The Smooth Fibre Unit (SFU) consists of a bundle of low bend radius, no water peak G.657.A1 fibres, encapsulated by a dry acrylate layer and protected by a smooth, slightly ribbed polyethylene outer sheath, for application in the access network. Installation: blowing into micro ducts of 3.5mm. or 4.0mm. (inside diameter).
| Product characteristics | |
| Cable type | SFU |
| Fibre type | Single mode 9/125 |
| Optical fibre standard | ITU-T G.657.A1 |
| Cable metal free | Yes |
| Material outer sheath | PE |
| Colour outer sheath | Yellow |
| Application | |
| Test procedures | EN IEC 60794-1-2 |
| Application | Inside/Outside |
| Blow in | Yes |
| Optical specification | |
| Max. attenuation @ 1310 nm | 0,36 dB/km |
| Max. attenuation @ 1550 nm | 0,23 dB/km |
| Max. attenuation @ 1625 nm | 0,25 dB/km |
| Environmental specification | |
| Installation temperature | -5/50 °C |
| Transportation and storage temperature | -10/50 °C |
| Operational temperature range Ta1 - Tb1 | -30/70 °C |
| Operational temperature range Ta2 - Tb2 | -40/70 °C |
| Article number | Description | Outer diameter approx. | Netto Weight (kg/m) | Min. bending radius during installation | Tensile load short term (Tm) | Min. bending radius after installation |
|---|---|---|---|---|---|---|
| 1 | 2x SM G.657.A1 | 1,4 mm | 0.001 | 20 mm | 20 N | 25 mm |
| 2 | 4x SM G.657.A1 | 1,4 mm | 0.001 | 20 mm | 20 N | 25 mm |
| 3 | 6x SM G.657.A1 | 1,4 mm | 0.002 | 20 mm | 25 N | 25 mm |
| 4 | 8x SM G.657.A1 | 1,5 mm | 0.002 | 30 mm | 30 N | 35 mm |
| 5 | 12x SM G.657.A1 | 1,7 mm | 0.003 | 30 mm | 30 N | 35 mm |
The Smooth Fibre Unit (SFU) consists of a bundle of low bend radius, no water peak G.657.A1 fibres, encapsulated by a dry acrylate layer and protected by a smooth, slightly ribbed polyethylene outer sheath, for application in the access network. Installation: blowing into micro ducts of 3.5mm. or 4.0mm. (inside diameter).
Cable metal free: Yes
Longitudinal water blocking: Yes
Colour outer sheath: Yellow
Application: Inside/outside
Type of tube: Central tube
Operational temperature range Ta1 – Tb1 -30 / 70 °C
Operational temperature range Ta2 – Tb2 -40 / 70 °C
Installation temperature -15 / 50 °C
Transportation and storage temperature -40 / 70 °C
Standardization EN IEC 60794-5-20
Halogen free (according to EN 60754-1/2) Yes
Packing and Marking:
Packaging and Shipping:
In 2004, GL FIBER established the factory to produce optical cable products, mainly producing drop cable, outdoor optical cable, etc.
GL Fiber now have 18 sets of coloring equipments, 10 sets of secondary plastic coating equipments, 15 sets of SZ layer twisting equipments, 16 sets of sheathing equipments, 8 sets of FTTH drop cable production equipments, 20 sets of OPGW optical cable equipments, and 1 paralleling equipment And many other production auxiliary equipments. At present, the annual production capacity of optical cables reaches 12 million core-km (average daily production capacity of 45,000 core km and kinds of cables can reach 1,500 km) . Our factories can produce various types of indoor and outdoor optical cables ( such as ADSS, GYFTY, GYTS, GYTA, GYFTC8Y, air-blown micro-cable, etc.). the daily production capacity of common cables can reach 1500KM/day, the daily production capacity of drop cable can reach max. 1200km/day, and the daily production capacity of OPGW can reach 200KM/day.
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