G.811
Appearance
G.811Timing characteristics of primary reference clocksis a recommendation from theITU Telecommunication Standardization Sector (ITU-T).It specifies requirements for primary reference clock devices insynchronization networks.It discusses timing requirements for connecting national telecommunications networks.[1]Primary reference clocks need to be highly accurate and are often based oncaesium atomic clocksthat meet the standards of G.811.[2]
References
[edit]- ^Smith, David R. (2003).Digital Transmission Systems.Springer Science & Business Media. p. 652.ISBN978-1-4020-7587-2.
- ^Manning, Trevor (2009).Microwave Radio Transmission Design Guide.Artech House. p. 88.ISBN978-1-59693-457-3.
External links
[edit]- Recommendation G.811,International Telecommunication Union,September 1997,retrieved2012-09-28