24 core ODF unit box 
 ◆ Optical and Electrical Properties 
 * Nominal operating wavelength: 850nm, 1310nm, 1550nm 
 * Insertion Loss: ≤ 0.5dB 
 * Return loss: PC ≥ 40dB, UPC ≥ 50dB, the APC ≥ 60dB 
 Dielectric strength: ≥ 3KV (DC) / 1min without breakdown, flashover; 
 * Insulation resistance: the ≥ 1000MΩ/500V (DC) 
 * Life: ≥ 1000 
 * Asylum disk fiber bend radius: ≥ 40mm] 
 ◆ mechanical properties 
 The plastic parts combustion performance in line with the provisions of GB51697-85. 
 * Fiber optic cable fiber through a hole in metal protective cover, fashion and core radius of curvature of the pigtail is greater than 37.5mm 
 * Cable into the chassis, the radius of curvature greater than 15 times the cable diameter 
 * Shell thickness of 1.5mm cold rolled plate made of epoxy electrostatic spray, beautiful appearance, easy to use