DIN ETS 300417-2-1
Transmission and Multiplexing (TM) - Generic requirements for transport functionality of equipment - Part 2-1: Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section layer functions; English version ETS 300417-2-1:1997
废止
发布日期 :
2001-02-01
实施日期 :
DIN IEC 49/347/CDV
IEC 60679-5-1: Quartz crystal controlled oscillators - A specification in the IEC Quality assessment system for electronic components (IECQ) - Part 5: Sectional specification; qualification approval; section 1: Blank detail specification (IEC 49/347/CDV:1996)
废止
发布日期 :
2001-10-01
实施日期 :