|
Std ID |
Description (Standard Title) |
|
YD/T 1022-2018
|
(Synchronous Digital Hierarchy (SDH) device functional requirements)
|
|
YD/T 2253-2011
|
Communication security specification of soft switch-based network
|
|
YD/T 2310-2011
|
Versatile audio codec for telecommunications
|
|
YD/T 1355-2005
|
Technical requirements and test method of Mini-BITS equipment
|
|
YD/T 1356-2005
|
The specification for user power feeding of ISDA basic access U interface on the switch
|
|
YD/T 1116-2001
|
Digital Distribution Frame with Wire Sleeve Coaxial Connectors
|
|
YD/T 1054-2000
|
Access network technical specification. Integrated digital loop carrier (IDLC)
|
|
YD/T 1064-2000
|
Access network technical specifications. low-speed splitterless asymmetric digital subscriber line system (ADSL. lite)
|
|
YD/T 1070-2000
|
Zinterface requirement of access network remote equipment
|
|
YD/T 1018-1999
|
Digital circuit multiplication equipment using ADPCM and DSI
|
|
YD/T 1022-1999
|
Requirement of synchronous digital hierarchy (SDH) equipment function
|
|
YD/T 620-1998
|
Technical conditions of 2048kbit/s, 8448kbit/s, 34368kbit/s and 139264kbit/s transmission analyzers
|
|
YD/T 974-1998
|
Specifications and Measurement Methods for SDH Digital Cross Connect Equipment (SDXC)
|
|
YD/T 885-1997
|
Technical requirement and test method of 30-channel pulse code modulation subscriber loop terminal equipment at 2048kbit/s
|
|
YD/T 793-1996
|
Technical requirement and test method for 10-channel pulse code modulation multiplex equipment at 704kbit/s
|
|
YD/T 1237-2002
|
The technical requirement and test method for PSTN videophone
|
|
YD/T 1109-2001
|
Technical Specification of ATM Switch
|
|
YD/T 1123-2001
|
Technical Specification for Integrated Switch Equipment
|
|
YD/T 1128-2001
|
The Supplementary Specification to SPC
|
|
YD/T 1142-2001
|
Technical Requirements and Testing Method for IP Telephony Catekeeper
|
|
YD/T 1150-2001
|
The technical specification for intelligent public telephone service
|
|
YD/T 1046-2000
|
Interoperability Specification for IP Telephony Gateway
|
|
YD/T 1065-2000
|
Test methods for polarization mode dispersion of single-mode optical fibres
|
|
YD/T 1071-2000
|
Technical requirements for IP telephony gateway
|
|
YD/T 1072-2000
|
Testing method for IP telephony gateway
|
|
YD 5084-1999
|
Interim Provisions for Test of Anti-seismic Performances of Digital Program Control Switching Equipment
|
|
YD/T 694-1999
|
Main distribution frame
|
|
YD/T 940-1999
|
Semiconductor arrester for The over_voltage protection of telecommunications installations
|
|
YD 5078-1998
|
Specifications on Lightning Protection for Power Supply System in Engineering of Telecommunications
|
|
YD/T 954-1998
|
Technical requirements and test method of digital stored program control dispatching equipment
|
|
YD/T 978-1998
|
Technical requirement and test method for digital queue equipment of PSTN
|
|
YD/T 992-1998
|
Technical requirments and test methods of telephone additional functions
|
|
YD/T 910.4-1997
|
900/1800MHz TDMA Digital Cellular Mobile Telecommunication Network Technical Specification of Mobile Application Part (MAP) (Phase 2)
|
|
YD/T 923-1997
|
IC card payphone system test procedure telephone part
|
|
YD/T 928-1997
|
Technical specification for ISDN PABXs
|
|
YDN 065-1997
|
General Technical Specification for Telephone Switching Equipment of Ministry of Posts and Telecommunications (Including Appendix)
|
|
YDN 067-1997
|
(ATM switch technical specifications (Temporary Provisions) (internal standard))
|
|
YDN 069-1997
|
Technical requirement and test method for transmission and display functions of telephone caller identification information (temporary regulations)
|
|
YD/T 588-1996
|
Basic requirement for ability of telephone online audio modem to withstand transmission impairments
|
|
YD/T 867-1996
|
Technical requirement and test method for digital telephone transmission performances
|
|
YD/T 868-1996
|
Technical requirement and test method for digital telephone transmission performances
|
|
YD/T 762-1995
|
Technical requirements and testing method of SPC analogue telephone dispatching equipment
|
|
YD/T 772-1995
|
Technical requirement and test method for networking of group telephone equipment
|
|
YD/T 789-1995
|
(Hands-free telephone technical requirements and test methods)
|
|
YD/T 675-1994
|
Quality grading criteria of digital SPC private branch exchanger
|
|
YD/T 676-1994
|
Quality grading criteria of space-division SPC private branch exchanger
|
|
YD/T 686-1994
|
Quality grading criteria of automatic telephone sets
|
|
YD/T 687-1994
|
Quality grading criteria of space-division SPC telephone exchanges
|
|
YD/T 688-1994
|
Quality grading criteria of digital SPC telephone exchanges
|
|
YD/T 718-1994
|
(Dictaphones technical requirements and methods of measurement)
|
|
YD/T 720-1994
|
(Telephone inspection procedures)
|
|
YD/T 728-1994
|
Technical requirement and test method for telephone lightning protection
|
|
YD/T 614-1993
|
Technical conditions of telephone network number inquiry system
|
|
YD/T 694-1993
|
Technical requirement of fundamental power supply units for SPC exchange
|
|
YD/T 696-1993
|
Requirement for networking of cordless telephone sets
|
|
YD/T 540-1992
|
Graphic symbols used in circuit operation procedure diagram for electromechanical components of telephone exchanges
|
|
YD/T 542-1992
|
Graphic symbols used in circuit operation procedure diagram for electromechanical components of telephone exchanges
|
|
YD/T 544-1992
|
Main dimensions of telephone transmitters (microphones)
|
|
YD/T 545-1992
|
Main dimensions of telephone receiver
|
|
YD/T 562-1992
|
General technical requirements and test methods For manual toll telephone switching equipment
|
|
YD/T 563-1992
|
Technical requirements and test methods for toll connecting boards And special boards in manual toll telephone switching equipments
|
|
YD/T 564-1992
|
Technical requirements and test methods for toll service boards (Toll recording boards, enquiry desks) In manual toll telephone switching equipments
|
|
YD/T 565-1992
|
Technical requirements and test methods for service observation desks (Quality checking desks) in manual toll telephone switching equipments
|
|
YD/T 566-1992
|
Technical requirements and test methods for monitordesks in manual toll telephone switching equipments
|
|
YD/T 568-1992
|
Technical requirements and test methods for relays in manual toll telephone switching equipments
|
|
YD/T 569-1992
|
Technical requirements and test methods for ringing, power sources, alarm and distribuing frame in manual toll telephone switching equipments
|
|
YDJ 20-1988
|
Temporary Technical Regulation for Installation Design of Computerized Telephone Exchange Equipment
|
|
YDJ 50-1988
|
Technical specifications for Installation engineering construction and acceptance of urban local telephone SPC exchange equipment
|
|
YDJ 11-1987
|
Specification for installation design of long-distance manual telephone exchange equipment
|
|
YDJ 41-1986
|
Technical specifications for Installation engineering construction and acceptance of long-distance communication telephone exchange equipment
|
|
YDJ 7-1984
|
Specification for installation design of crossbar system urban local telephone exchange equipment
|
|
YDJ 37-1981
|
Technical specifications for Installation engineering construction and acceptance of urban local telephone exchange equipment
|
|
YD/T 703-2013
|
Technical requirement and testing method for group 3 document facsimile
|
|
YD/T 1650-2007
|
Technical Specification for the Non-realtime Transportation of IP Fax Data
|
|
YD/T 589-2006
|
Basic Requirement of Transmission Impairment Tolerance for Group 3 Document Facsimile on the Telephone Network
|
|
YD/T 589-1996
|
(Telephone network facsimile apparatus transmission impairments ability to withstand the basic requirements)
|
|
YD/T 853-1996
|
Technical requirement of 2-wire modem for facsimile of a rate up to 14400bit/s
|
|
YD/T 677-1994
|
Quality grading criteria of Alphabetic and Chinese-character teleprinters
|
|
YD/T 678-1994
|
Quality grading criteria of electronic teleprinters
|
|
YD/T 691-1994
|
Quality grading criteria of automatic message switching equipment
|
|
YD/T 692-1994
|
Quality grading criteria of public telegraph diversity receivers
|
|
YD/T 727-1994
|
Electrical characteristics for unbalanced double-current interchange circuits
|
|
YD/T 612-1993
|
Reliability index and test method of facsimile communication equipment
|
|
YD/T 624-1993
|
Test method of electronic teleprinters
|
|
YD/T 626-1993
|
Technical requirement and test method of Chinese teleprinters
|
|
YD/T 635-1993
|
Inspection and test methods of telegraph terminal equipment
|
|
YD/T 703-1993
|
Inspection and test methods for 3 document facsimile terminals
|
|
YD 514-1992
|
(Non-telephone user terminal equipment and the public telephone network interface technical requirements and test methods)
|
|
YD/T 510-1992
|
Standard messages for testing distortion of telegraph circuits
|
|
YD/T 511-1992
|
Standard messages for normal margin of start-stop apparatus
|
|
YD/T 513-1992
|
Technical requirement for electronic teleprinters
|
|
YD/T 538-1992
|
Technical requirements for Alphabetic and Chinese-character teleprinters
|
|
YD/T 506-1991
|
(Automatic transmitter technical conditions)
|
|
YDJ 15-1987
|
Specification for installation design of public telegraph and facsimile communication equipment
|
|
YD/T 989-1998
|
The Technical Requirement of Flexible Multiplexer
|
|
YD/T 779-1999
|
Digital distribution frame
|
|
YD/T 779-1995
|
(Chinese Industry Standard)
|
|
YD/T 674-1994
|
Quality grading criteria of fourth order digital multiplex equipment operating at 139264 kbit/s and using positive justification
|
|
YD/T 628-1993
|
Test method for call handle capacity of digital exchange (Busy hour call attempt)
|
|
YD/T 6165-2024
|
(IP source address verification technology testing method)
|