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YD/T 656-1994 (USD) via email in 1-3 business day
YDN 120-1999 (USD) via email in 1-8 business day ABOLISHED
GB/T 33843-2017 Test method for access network equipment—Passive optical network based on ethernet(EPON) (USD) via email in 1-8 business day VALID
GB/T 7424.1-1998 Optical fibre cables Part 1: Generic specification (USD) via email in 1-5 business day ABOLISHED
GB/T 15972.4-1998 Generic specification for optical fibres—Part 4:Measuring methods for transmission and optical characteristics via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YD/T 1063-2000 Access network technical specfification _Hybrid fiber coax network(HFC) (USD) via email in 1-3 business day VALID
GB/T 21645.3-2009 Technical requirements for automatically switched optical network—Part 3:Data communication network (USD) via email in 1-5 business day VALID
YD/T 1016-1999 Technical condition for PDH optical line terminals used in access network (USD) via email in 1-3 business day VALID
YD/T 834-1996 (USD) via email in 1-3 business day VALID
YD/T 3251.1-2017 Passive device for signal distributing system of mobile communications Part 1:General requirements and test methods via email in VALID please email coc@codeofchina.com for quotation
GB 9771-1988 (USD) via email in 1-3 business day ABOLISHED
YD/T 1318-2004 Technical condition of 1310nm/1550nm single fiber bi=directional assembly (module)for short reach (USD) via email in 1-3 business day VALID
YD/T 1714-2007 Optical Fibers Distribution Frame in Dense Wavelength Division Multiplexing (USD) via email in 1-3 business day VALID
GB/T 9771.3-2008 Single-mode optical fibres for telecommunication - Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre (USD) via email in 1-3 business day VALID
YD/T 1588.1-2006 Measurement methods for characteristics of optical fibre cable line Part 1:Link attenuation via email in VALID please email coc@codeofchina.com for quotation
GB/T 15840-1995 Technical requirement for optical line terminals at 4×139264kbit/s via email in 1-3 business day please email coc@codeofchina.com for quotation
YD/T 1117-2001 Specification of all Optical Fiber Branching Devices (USD) via email in 1-3 business day VALID
GB/T 16850.6-2001 Basic specification for optical fibre amplifier test methods--Part 6:Test methods for pump leakage parameters via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 18900-2002 Test methods for polarization mode dispersion of single-mode opticalfibres via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 9771.4-2008 Single-mode optical fibres for telecommunication - Part 4: Characteristics of a dispersion-shifted single-mode optical fibre (USD) via email in 1-3 business day VALID
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