Air Blown Fiber Unit MM OM4 EPFU 2~12 core

Short Description:

Features and Benefits

* 2、4、6、8 and 12 fibres options.

* Stable structure, good mechanical and temperature performance.

* Designed with special grooves to advance blowing distance.

* Lightweight and proper stiffness , repeat installation.

* Designed with no gel, easy stripping and handling.

* Better costs advantage compared to traditional product.

* Complete accessories, less manpower, lower installation time.


Product Detail

Product Tags

Technical Specifications

Air Blown Fiber Unit (ITU-T OM4 Fibers)

Technical Specifications for Optical Fiber Cable

1.  General

1.1 This specification covers the requirements of the enhanced performance fiber unit to be supplied to customer for installation by blowing.
1.2 The optical fiber cable shall comply with the requirements of this specification and generally meet or better latest
standards:
ITU-T G.650: Definitions and test methods for linear, deterministic attributes of single-mode fiber and cable
ITU-T G.652.D: Characteristics of a single-mode optical fiber and cable
ITU-T G.657: Characteristics of a bending loss insensitive single mode optical fiber and cable for the access network
IEC 60793-2-50 B1.3: Sectional specification for class B single mode fibers
IEC 60793-2-10 A1: Sectional specification for category A1 multimode fibers
IEC 60794-1-2: Optical Fiber Cables, Part 1-2, Generic Specifications-Basic optical cable test procedures General guidance
IEC 60794-1-21: Optical fiber cables, Part 1-21, Generic specification - Basic optical cable test procedures - Mechanical tests methods
IEC 60794-1-22: Optical fiber cables, Part 1-22, Generic specification - Basic optical cable test procedures - Environmental test methods

2.  Optical Fiber Characteristics

The optical, geometrical, mechanical and environment characteristics of the ITU-T OM4 optical fiber shall be accordance with below table:

Characteristics Specified Values Units
Optical Characteristics
Attenuation coefficient at 850nm ≤3.5 dB/km
at 1300nm ≤1.5 dB/km
Bandwidth (OFL) @ 850nm ≥3500 MHz.km
@ 1300nm ≥500 MHz.km
Attenuation non-uniformity ≤0.1 dB
Zero dispersion wavelength ( λ0) 1320 ~1365 nm
Dispersion coefficient @ 1295 ~ 1310nm £ 0.11 ps/(nm·km)
@ 1310-1340nm £0.001(1458-l0) ps/(nm·km)
Effective group index of refraction (Neff) at 850nm 1.496
at 1300nm 1.491
Numerical aperture 0.275± 0.015
Geometric characteristic
Core diameter 62.5 ± 2.5 µm
Core non-circularity ≤5.0 %
Cladding diameter 125.0±1.0 µm
Cladding non-circularity ≤1.0 %
Coating diameter 245±10.0 µm
Coating-cladding concentricity error ≤12.0 µm
Coating non-circularity ≤6.0 %
Core-cladding concentricity error ≤1.5 µm
Mechanical characteristic
Proof stress ≥0.69 GPa
Coating strip force Average value 1.0-5.0 N
Peak value 1.3-8.9 N
Macro bending loss Ф75mm, 100 circles, at850nm ≤0.5 dB
Ф75mm, 100 circles, at 1300nm ≤0.5 dB

3. Characteristics of Cable

3.1 Cable Construction and Parameter3. Characteristics of Cable

The resin coated optical fibers, and outer sheath extruded on the tight buffer.

Items Descriptions
Optical fiber 2F 4F 6F 8F 12F
Outer sheath Material Natural HDPE
Cable nominal diameter(±0.05mm) 1.15mm 1.15mm 1.35mm 1.55mm 1.65mm
Cable approx. weight (kg/km) 1.0 1.0 1.2 1.5 1.8
Max. tensile strength Short time W*G N
Max. crush resistance Short time 100N/100mm
Minimum Bending radius Dynamic 20 times of cable diameter
Static 10 times of cable diameter
Temperature range Installation -10℃~+40℃
Storage -20℃~+60℃
Operation -20℃~+60℃
Air Blowing Equipment: PR140, Duct: 5/3.5mm, Blowing pressure: ≤10bar,Typical blowing length: 1000m

3.2 Cross-section of Cable

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1. Optical fiber 2. Resin 3. +2 ‘Filled’ Fibers 4. Groove 5. HDPE sheath

Fiber Color Identification

The individual fiber  shall be in accordance with standard TIA/EIA-598-A and the color code as below.

Fiber Colors: Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Purple, Pink, Aqua

Mechanical and Environmental Test

tem Details
Tensile loading test Test Method: Accordance with IEC60794-1-21-E1

Tensile force : W*G N

Length: 50m

Holding time : 1 minutes

Diameter of mandrel: 30 x cable diameter

After test the fiber and cable no damage and no obvious change in attenuation

Crush / Compression test Test Method: Accordance with IEC 60794-1-21-E3

Test Length: 100 mm

Load: 100 N

Holding time: 1 minutes

Test result:

Additional attenuation ≤0.1dB at 1550nm.

After test no sheath cracking and no fiber breakage.

Cable bending test Test Method: Accordance with IEC 60794-1-21-E11B

Mandrel Diameter: 65mm

Number of Cycle: 3 cycles

Test result: Additional attenuation ≤0.1dB at 1550nm.

After test no sheath cracking and no fiber breakage.

Flexing / Repeated Bending test Test Method: Accordance with IEC 60794-1-21- E8/E6

Mass of the weight : 500g

Bending diameter : 20 x diameter of cable

Impact rate : ≤ 2 sec / cycle

Number of cycles : 20

Test result: Additional attenuation ≤0.1dB at 1550nm.

After test no sheath cracking and no fiber breakage.

Temperature cycling test Test Method: Accordance with IEC 60794-1-22-F1

Variation of temperature : -20℃ to + 60℃

Number of cycles : 2

Holding time per each step : 12 hours

Test result: Additional attenuation ≤0.1dB/km at 1550nm.

Cable Marking

Unless otherwise required the sheath will be use inkjet marked at intervals of 1m, containing:

- Customer name

- Manufacture’s name

- Date of manufacture

- Type and number of fiber cores

- Length marking

- Other requirements

Environmentally

Full comply with ISO14001, RoHS and OHSAS18001.

Cable Packing

Free coiling in the pan.

Standard delivery lengths are 4km with a tolerance of -1%~+3%.

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