... , 1,550nm10) Connector loss: ≤0.5dB11) Back wave loss:a) PC: ≥40dBb) UPC: ≥50dBc) APC: ≥60dB12) Resistance to voltage between high ... ,000 times Optical distribution box is used at optical access network terminal, it acts as the optical distribution and fusion.1.Box ... wavelength: 850nm 1310nm 1550nm6.Connector loss: ≤0.5dB7.Backwave loss: PC≥40dB,UPC≥50dB,APC≥60dB;8.Resistance to voltage between ...