Fiber optic CENTRAL TUBEOptical Central Tube Cable |
1. OPTICAL FIBER CHARACTERISTICS :Optical Fibre Characteristics is according to ITU-T recommendation G652 D usage. | ||||||||||||||||||||||||||
2. Fiber Identification : Fibers in loose tube are identified by the following colors :
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3. Loose Tube : The loose tube compound is PBT and it filled by thixotropic gel, the nominal loos tube outer diameter is 3mm and its inside diameter is 65% of outer diameter. | ||||||||||||||||||||||||||
4. Outer jacket : Cable sheathed with high density polyethylene conforming to ASTM D1248 type III class C category 4 or 5 grade J3 applied over the strength members and loss tube.(For indoor usage the LSZH compound is recommended). | ||||||||||||||||||||||||||
5. Outer Diameters : Nominal outer diameter of central tube cable is 6mm. |