8core Air Blown Fibre Unit (ABF)

Specifications 1)Stable structure, good mechanical and temperature.3)Designed with special grooves to advance blowning machine

           Enhanced Performance Air Blown Fiber Unit   Features and Benefits 2,4,6,8 and 12 fibers 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. Standards Unless otherwise specified in this specification, all requirements shall be mainly in accordance with the following standard specifications. Optical Fibre …...  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   Technical Parameter  Basic Performance

Fibre Count	2 Fibres	4 Fibres	6 Fibres	8 Fibres	12 Fibres
Outer Diameter     (mm)	1.15±0.05	1.15±0.05	1.35±0.05	1.50±0.05	1.65±0.05
Weight             (g/m)	1.0	1.0	1.3	1.8	2.2
Min Bend radius     (mm)	50	50	60	80	80
Temperature	Storage:-30°C~ +60°C   Operation:-20°C~ +60°C   Installation:-5°C~ +50°C

                      Testing parameter Fibre Unit Attenuation

Fibre Type	SM G.652D,G.655,G.657	MM 62.5/125	MM 50/125,OM3
Attenuation	0.38dB/km max @1310nm 0.26dB/km max @1550nm	3.5dB/km max @850nm 1.5dB/km max @1300nm	3.0dB/km max @850nm 1.0dB/km max @1300nm

          Blowing Test

Fibre Count	2 Fibres	4 Fibres	6 Fibres	8 Fibres	12 Fibres
Test equipment	PLUMETTAZ:UM25, ERICSSON:F, CATWAY:FBT-1.1
Standard duct	5.0/3.5 mm
Pressure	7bar / 10bar
Typical blowing distance	500m / 1000 m	500m / 1000m	500m / 1000m	500m / 1000m	500m / 800m
Typical blowing time	10 min / 18 min	10 min / 18 min	12 min / 18 min	13 min / 18 min	15 min / 20 min

                          Mechanical Performance      

Test	Standard	Parameters	Test Results
Tension	IEC 60794-1-2-E1	Load is 1×W	fibre strain ≤0.4% at MAX Additional attenuation ≤0.05dB fibre strain ≤0.05% after test
Bend	IEC 60794-1-2-E11A	Diam 40mm×3turns 5 cycles at 20°C	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

                          Standard delivery lengths   Standard delivery lengths are 1000m, 2000m, 4000m, 6000m with a tolerance of -0.5~+1%.