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Database: 189759 (19 Oct 2025)
YDN056-1997 English PDF
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Standard Title (Description)
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YDN 056-1997
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Technical Requirements for Access Network - High Bit Rate Digital Subscriber Line (HDSL) (Tentative Specifications)
Obsolete
YDN 056-1997
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Basic data
Standard ID
YDN 056-1997 (YDN056-1997)
Description (Translated English)
Technical Requirements for Access Network - High Bit Rate Digital Subscriber Line (HDSL) (Tentative Specifications)
Sector / Industry
Telecommunication Industry Standard
Classification of Chinese Standard
M19
Word Count Estimation
103,122
Date of Issue
10/8/1997
Date of Implementation
2/1/1998
Adopted Standard
ETSI RTR/TM 03036, MOD
Regulation (derived from)
Notice of the Ministry of Industry and Information Technology of the People's Republic of China (No. 48 of 2015)
Summary
This standard specifies the 2B1Q encoding high bit rate digital subscriber line (HDSL) system architecture, configuration and core functions of public circuit characteristics, system application features, power and environmental requirements. This standard applies to a public communication network following applications: - ISDN Primary Rate Access; - no frame structure leased line access (D2048U); - frame structure leased line access (D2048S); - SDH The TU12 or VC12 access. This standard is equivalent to ETSI RTR/TM-03036.