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YD/T 975-1998 Requirements on measuring equipment to assess error performance on STM-N interface 360 (USD) via email in 1-3 business day
YD/T 1066-2000 Technical requirements for fiber optic circulators 180 (USD) via email in 1-3 business day VALID
GB/T 15972.31-2008 Specifications for optical fibre test methods - Part 31: Measurement methods and test procedures for mechanical characteristics - tensile strength 120 (USD) via email in 1-3 business day VALID
GB/T 33779.1-2017 Guidance for special characteristics of optical fibre—Part 1:Attenuation uniformity 180 (USD) via email in 1-3 business day VALID
YD/T 593-1992 Characteristics of dispersion shift mono-mode optical fiber at 1550nm band 180 (USD) via email in 1 business day ABOLISHED
GB 7425.7-1987 30 (USD) via email in 1-3 business day ABOLISHED
YD/T 1460.1-2006 Telecommunication microduct optical fibre cables and fibre units for installation by blowing Part 1:General 435 (USD) via email in 1-3 business day ABOLISHED
GB/T 13996-1992 Technical specification for digital line systems on optical fibre cables via email in 1-3 business day please email coc@codeofchina.com for quotation
GB 8403.2-1987 30 (USD) via email in 1-3 business day ABOLISHED
YD/T 1518-2006 Interoperability Specification and Test Measurement for VoIP Accessing Equipment Based H.248 via email in VALID please email coc@codeofchina.com for quotation
GB/T 9771.6-2008 Single-mode optical fibres for telecommunication - Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical transport 180 (USD) via email in 1-3 business day VALID
GB/T 9771.2-2008 Single-mode optical fibres for telecommunication - Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre 180 (USD) via email in 1-3 business day VALID
YD/T 979-1998 Specifications and test methods for optical fiber ribbon 210 (USD) via email in 1-3 business day ABOLISHED
YD/T 1515-2006 Technical Specification for IPv6 Routing Protocol——Intermediate System to Intermediate System Intra-domain Routing Information Exchange Protocol (IS-IS)for IPv6 Routing Protocol via email in VALID please email coc@codeofchina.com for quotation
GB/T 8401.4-1987 Measuring methods for transmission and optical characteristics of optical fibres--Backscattenring technique 45 (USD) via email in 1-3 business day ABOLISHED
YD/T 1991-2009 Technical requirements for N×40Gbit/s optical wavelength division multiplexing (WDM) systems via email in ABOLISHED please email coc@codeofchina.com for quotation
GB/T 21647-2008 B-ISDN ATM Adaptation Layer Specification : Type 2 AAL 2460 (USD) via email in 1-10 business day VALID
YD/T 816-2003 Multimode optical fibre with large core diameter and large numerical aperture 150 (USD) via email in 1-3 business day VALID
GB/T 15941-1995 Requirements for synchronous digital hierarch (SDH) optical fiber cable line systems of national public telecommunication network via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
YD/T 592-1992 Test method for wavelength dispersion of mono-mode optical fiber - interference method 180 (USD) via email in 1 business day ABOLISHED
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