Enhanced Performance Fibre Units (EPFU)

Enhanced Performance Fiber Unit (EPFU) is small size, light weight, enhanced surface outer sheath fiber unit designed for blowing into micro tube bundles by air flow. The outer thermoplastic layer provides a high level of protection and excellent installation properties.

Product Name: Enhanced Performance Fibre Units (EPFU)

Fiber: G.G652D, G.657A1, G.657A2

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Description

Specification

Package & Shipping

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Feature:

Smaller diameter
Frees up capital to expand network and client base
Network design flexibility
5/3.5mm microduct suitable
Easy to upgrade
Greater blowing distance
Fiber: G.G652D, G.657A1, G.657A2

Standards:

Unless otherwise specified in this specification, all requirements shall be mainly in accordance with the following standard specifications.
Optical fiber:ITU-T G.651、G.652、G.655、G.657 IEC 60793-2-10、IEC 60793-2-50
Optical Cable:IEC 60794-1-2、IEC 60794-5
Note: It is recommended that the structure of 2 fibers unit consist of 2 filled fibers, for it is proved that this structure is better in the blowing performance and the fiber separability than that of one with zero or one filled fiber

Specification:

Fiber count (F)	Nominal diameter (mm)	Nominal weight (kg/km)	Min. bend radius (mm)	Temperature (℃)
2	1.15±0.05	1	50	-30 to +60
4	1.15±0.05	1	50
6	1.35±0.05	1.3	60
8	1.50±0.05	1.8	80
12	1.65±0.05	2.2	80

Blowing Test:

Fiber count (F)	Blowing machine	Suitable microduct (mm)	Blowing pressure (bar)	Blowing distance (m)	Blowing time (min)
2	PLUMETTAZ UM25 ERICSSON F CATWAY FBT-1.1	3/2.1 or 5/3.5	7/10	500/1000	10/18
4		3/2.1 or 5/3.5		500/1000	10/18
6		5/3.5		500/1000	10/18
8		5/3.6		500/1000	13/18
12		5/3.5		500/800	15/20

Attenuation:

fiber Type	SM G.652D、G.655、G.657	MM 62.5/125
Attenuation	0.38dB/km max @1310nm 0.26dB/km max @1550nm	3.5dB/km max @850nm 1.5dB/km max @1300nm

Mechanical Performance:

Test	Standard	Parameters	Test Results
Tension	IEC 60794-1-2-E1	Load is 1×W	fiber strain ≤0.4% at MAX Additional attenuation ≤0.05dB fiber strain ≤0.05% after test
Bend	IEC 60794-1-2-E11A	Diam 40mm×3turns 5 cycles at 20℃	Additional attenuation ≤0.05dB,after test
Crush	IEC 60794-1-2-E3	100 N, 60s	Additional attenuation ≤0.05dB,after test
All optical testing proceeded at 1550 nm

Environment Performance:

Test	Standard	Parameters	Test Results
Temperature Cycle	IEC 60794-1-2-F1	+20°C, -40°C, +60°C, (3 cycles)	Absolute attenuation ≤0.5dB/km,during test Additional attenuation ≤0.1dB/km, during and after test
Water Soak	IEC 60794-5	1000 hours in water, 18℃～22℃	(Test after temp cycle) ≤0.07dB/km Change compared to start value
Damp Heat Cycle	IEC 60068-2-38	25°C, 65°C, 25°C, 65°C, 25°C, -10°C, 25°C	Absolute attenuation ≤0.5dB/km,during test Additional attenuation ≤0.1dB/km, during and after test
All optical testing proceeded at 1550 nm

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Feature:

Smaller diameter
Frees up capital to expand network and client base
Network design flexibility
5/3.5mm microduct suitable
Easy to upgrade
Greater blowing distance
Fiber: G.G652D, G.657A1, G.657A2

Standards:

Unless otherwise specified in this specification, all requirements shall be mainly in accordance with the following standard specifications.
Optical fiber:ITU-T G.651、G.652、G.655、G.657 IEC 60793-2-10、IEC 60793-2-50
Optical Cable:IEC 60794-1-2、IEC 60794-5
Note: It is recommended that the structure of 2 fibers unit consist of 2 filled fibers, for it is proved that this structure is better in the blowing performance and the fiber separability than that of one with zero or one filled fiber

Specification:

Fiber count (F)	Nominal diameter (mm)	Nominal weight (kg/km)	Min. bend radius (mm)	Temperature (℃)
2	1.15±0.05	1	50	-30 to +60
4	1.15±0.05	1	50
6	1.35±0.05	1.3	60
8	1.50±0.05	1.8	80
12	1.65±0.05	2.2	80

Blowing Test:

Fiber count (F)	Blowing machine	Suitable microduct (mm)	Blowing pressure (bar)	Blowing distance (m)	Blowing time (min)
2	PLUMETTAZ UM25 ERICSSON F CATWAY FBT-1.1	3/2.1 or 5/3.5	7/10	500/1000	10/18
4		3/2.1 or 5/3.5		500/1000	10/18
6		5/3.5		500/1000	10/18
8		5/3.6		500/1000	13/18
12		5/3.5		500/800	15/20

Attenuation:

fiber Type	SM G.652D、G.655、G.657	MM 62.5/125
Attenuation	0.38dB/km max @1310nm 0.26dB/km max @1550nm	3.5dB/km max @850nm 1.5dB/km max @1300nm

Mechanical Performance:

Test	Standard	Parameters	Test Results
Tension	IEC 60794-1-2-E1	Load is 1×W	fiber strain ≤0.4% at MAX Additional attenuation ≤0.05dB fiber strain ≤0.05% after test
Bend	IEC 60794-1-2-E11A	Diam 40mm×3turns 5 cycles at 20℃	Additional attenuation ≤0.05dB,after test
Crush	IEC 60794-1-2-E3	100 N, 60s	Additional attenuation ≤0.05dB,after test
All optical testing proceeded at 1550 nm

Environment Performance:

Test	Standard	Parameters	Test Results
Temperature Cycle	IEC 60794-1-2-F1	+20°C, -40°C, +60°C, (3 cycles)	Absolute attenuation ≤0.5dB/km,during test Additional attenuation ≤0.1dB/km, during and after test
Water Soak	IEC 60794-5	1000 hours in water, 18℃～22℃	(Test after temp cycle) ≤0.07dB/km Change compared to start value
Damp Heat Cycle	IEC 60068-2-38	25°C, 65°C, 25°C, 65°C, 25°C, -10°C, 25°C	Absolute attenuation ≤0.5dB/km,during test Additional attenuation ≤0.1dB/km, during and after test
All optical testing proceeded at 1550 nm

Packing and Marking

Each single length of cable shall be reeled on Fumigated Wooden Drum
Covered by plastic buffer sheet
Sealed by strong wooden battens
At least 1 m of inside end of cable will be reserved for testing.
Drum length: Standard drum length is 3，000m±2%; as required
5.2 Drum Marking(can according to the requirement in the technical specification) Manufacturer name;
Manufacturing year and month Roll—direction arrow;
Drum length; Gross/net weight;

Packaging and Shipping:

Optical Cable Factory

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.