2 - 24 fibers.
Buffer tube number
It is used in LANs for high transmission rates including voice, data and video signals.
The buffer tube is armored and jacketed by wrapping aramid yarn around the tube and by applying steel tape to the aramid yarns.
Fiber to be used
ITU-T G652 D, G655, G657 SM fiber; 62.5 / 125 and 50/125 μm MM fiber
Mechanical Properties of Central Tube F / O Wires
Parameter Unshielded Cable Armored Cable Standard
Tensile Strength 1000 N 1500 N IEC-60794-1-E1
Repeat Bending 10xCable dia. ; W = 10 kg 10xcable dia. ; W = 10 kg IEC-60794-1-E6
Impact 20 Nm; 2 m cable 20 Nm; 2 m cable IEC-60794-1-E4
Torsion ± 180 ° 20 cycles; W = 10 kg ± 180 ° 20 cycles; W = 10 kg IEC-60794-1-4-E7
Crushing 2200 N / 10 cm 4400 N / 10 cm IEC-60794-1-E3