YD/T 5092-2000 Interim Provisions of Engineering Design for the Long-Distance Optical Fiber Cable Wavelength Division Multiplexing Transmission System (English Version)
2006YD/T 5092-2005 Specifications of Engineering Design for Long-Distance Optical Fiber Cable Wavelength Division Multiplexing Transmission System
2000YD/T 5092-2000 Interim Provisions of Engineering Design for the Long-Distance Optical Fiber Cable Wavelength Division Multiplexing Transmission System