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
YD/T 1819-2008 Integrative Gather Frame Which Used in Communication Equipment 150.0 via email in 1~3 business day abolished
YD/T 562-1992 General Technical Requirements and Test Methods for Manual Toll Telephone Switching Equipments 135.0 via email in 1~3 business day valid
YD/T 569-1992 Technical Requirements and Test Methods for Ringing Power Sources Alarm and Distribution Frame in Manual Toll Telephone Switching Equipments 45.0 via email in 1~3 business day valid
YD/T 1923-2009 The Requirements for MGCP-Based IP User Terminal Device 180.0 via email in 1~3 business day valid
YD 2004-1992 Specification for Installation Engineering Design of Digital Multiplex Equipment of Long Distance Communication Trunk 630.0 via email in 1~3 business day valid
YD/T 567-1992 Technical Requirement and Test Method for Exchanger of Operating Service in Manual Toll Telephone Switching Equipments 30.0 via email in 1~3 business day valid
YD/T 1435-2007 Testing Methods for Soft switch Equipments 3060.0 via email in 1~3 business day valid
YD/T 1386-2005 Technical specification for media server based on softswitch 540.0 via email in 1~5 business day valid
GB/T 19558-2004 General specifications for integrated circuit(IC) card payphone and sytem 600.0 via email in 1~3 business day valid
YD/T 1947-2009 Technical Requirement of Physical Layer for Extended Reach Ethernet based on 2D-PAM3 and 4D-PAM5 810.0 via email in 1~3 business day to be valid
GB 7439-1987 45.0 via email in 1~3 business day superseded
YD/T 563-1992 Technical requirements and test methods for toll connecting boards And special boards in manual toll telephone switching equipments 120.0 via email in 1~3 business day valid
YD/T 1082-2000 Technical requirements for the protection against overvoltages and overcurrents and the suitability in basic environment on access network equipment 270.0 via email in 1~3 business day abolished
SJ 20924-2005 Requirements for physical design of secure communication and information security equipment 135.0 via email in 1~3 business day valid
YD/T 2065-2009 Information Accessibility Design Guidelines to Information Terminal Equipment for Persons with Physical Disabilities 300.0 via email in 1~3 business day valid
YD/T 1922-2009 The Requirements for H.323-Based IP user Terminal Device 180.0 via email in 1~3 business day valid
GB/T 32632.2-2016 Information accessibility - Part 2: Principles for barrier - free design of communication terminal equipment 395.0 via email in 1~5 business day valid
GB/T 1418-1995 symbols for telecommunication equipment 105.0 via email in 1~3 business day valid
YD 2002-1992 Engineering Design Specifications for Long Distance Communication Trunk Cables and Lines 2130.0 via email in 1~3 business day valid
YD/T 707-1993 Terms Used for Remote Message Processing and Business 570.0 via email in 1~3 business day valid
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