Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 20186.2-2008 Secondary coating materials used for optical fiber - Part 2: Modified propylene resin $150.00 via email in 1~3 business day superseded
GB/T 20186.2-2021 Secondary coating materials used for optical fibre—Part 2: Modified propylene resin $225.00 via email in 1~3 business day valid
GB/T 20187-2006 Characteristics of optical transport network hierarchy equipment functional blocks $3000.00 via email in 1~10 business day valid
GB/T 20440-2006 Technical requirements of Dense Wavelength Division Multiplexer/Demultiplexer $569.00 via email in 1~3 business day valid
GB/T 21639-2008 The technical requirements of video conferencing service for IP-based network $810.00 via email in 1~5 business day valid
GB/T 21640-2008 Technical standards for cooperation between equipments of IP-based video conference system $900.00 via email in 1~8 business day valid
GB/T 21641-2008 Technique requirements of video conferencing system inter working between different technologies $720.00 via email in 1~8 business day valid
GB/T 21642.1-2008 The technical requirements for video conference system devices based on IP-based network - Part 1: Multipoint Controller $600.00 via email in 1~5 business day valid
GB/T 21642.2-2008 The technical requirements for video conference system devices based on IP-based network - Part 2: Multipoint Processor $330.00 via email in 1~3 business day valid
GB/T 21643-2008 IP Authentication Header $120.00 via email in 1~3 business day valid
GB/T 21645.1-2008 Technical requirements for Automatically Switched Optical Network - Part 1: Architecture and general requirements $1500.00 via email in 1~10 business day valid
GB/T 21645.10-2017 Technical requirements for automatically switched optical network(ASON)―Part 10:Multi-layer and multi-region control plane $750.00 via email in 1~5 business day valid
GB/T 21645.11-2017 Technical requirements for Automatically Switched Optical Network(ASON)―Part 11:Path Computation Element (PCE) and protocol $930.00 via email in 1~10 business day valid
GB/T 21645.2-2010 Technical requirements for automatically switched optical networks—Part 2:Terms and definitions $510.00 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 $450.00 immediately valid
GB/T 21645.4-2010 Technical requirements for automatically switched optical network—Part 4:Technical specification of signalling $1560.00 via email in 1~3 business day valid
GB/T 21645.5-2012 Technical requirements for automatically switched optical network—Part 5:User-Network Interface(UNI) $1140.00 via email in 1~3 business day valid
GB/T 21645.6-2009 Technical requirements for automatically switched optical network—Part 6:Management plane $360.00 via email in 1~5 business day valid
GB/T 21645.7-2010 Technical requirements for automatically switched optical network—Part 7:Automatic discovery $750.00 via email in 1~3 business day valid
GB/T 21645.8-2012 Technical requirements for automatically switched optical network—Part 8:Routing $930.00 via email in 1~3 business day valid
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