Fiber Optic Cross Connect Cabinet 1.Adopt the 1 ... of the trunk cable as interface device, to achieve fiber connection, storage, and distribution, have a direct ... . For ribbon and non-ribbon cable, optical fiber and the cable in any place is greater ... Standard wavelength: 850nm, 1310nm, 1550nm(2) Optical Fiber Connectors: line GB/T12507 "fiber optic connectors activity" requirement(3) Return loss ≥ 40dB ...