... the transmission part of the trunk cable as interface device, to achieve fiber connection, storage, and distribution, ... devices, opitical fiber storage and stripping protection devices. For ribbon and non-ribbon cable, optical fiber and the cable in any place ... wavelength: 850nm, 1310nm, 1550nm (2) Optical Fiber Connectors: line GB/T12507 "fiber optic connectors activity" requirement (3) Return loss ...