Optical cable Introduction.pdf

ADSS Loose tube style, optical fiber cable with FRP central strength member and peripheral aramid yarns and Black polyethylene sheath suitable for overhead installation as pole-to-pole or pole-to-premises.Tubes contain up to 6 Fibers color coded as per color coding scheme. Description Specification Item Test Method Acceptance Condition ◆G652D fiber information after cabled ◆Mode field diameter (1310nm): 9.2m0.4m ◆Mode field diameter (1550nm): 10.4m0.8m ◆Cut off wavelength of cabled fiber (cc): 1260nm ◆Attenuation at 1310nm: 0.36dB/km ◆Attenuation at 1550nm: 0.22dB/km ◆Bending loss at 1550nm (100 turns, 30mm radius): 0.05dB ◆Dispersion in the range 1288 to 1339nm: 3.5ps/ (nm?km) ◆Dispersion at 1550nm: 18ps/ (nm?km) ◆Dispersion slope at zero dispersion wavelength: 0.092ps/ (nm2?km) Characteristic of Optical Fiber Tensile Strength IEC 60794-1-2-E1 - Load: Maximum installation tension - Length of cable: about 50m - Load time: 1min - Fiber strain 0.33% - No fiber break and no sheath damage. Crush Test IEC 60794-1-2-E3 - Load: Short term crush - Load time: 1min - Loss change 0.1dB@1550nm - No fiber break and no sheath damage. Max. allowable working tension (KN) Break strength (KN) Year average working tension (KN) Diameter (mm) Operation temperature (℃) Weight (kg/km) PE sheath AT sheath 2.5 3.5 4.5 6.0 7.0 8.0 9.0 10.0 11.0 12.0 14.0 16.0 18.0 20.0 6.25 8.75 11.25 15 17.5 20 22.5 25 27.5 30 35 40 45 50 119 121 124 128 131 134 136 138 142 144 148 154 159 164 126 129 132 136 139 142 144 147 150 153 157 163 169 173 12.0 12.2 12.3 12.5 12.7 12.8 12.9 13.0 13.1 13.2 13.5 13.7 14.0 14.2 -40~+60 Mechanical Environmental Characteristics All-dielectric Self-supporting (ADSS) cable GYFTC8Y low dispersion and attenuation. Proper design, precise control for fiber excess length and distinct stranding process render the cable excellent mechanical and environmental characteristics. Anti-electromagnetism ability. Small c