Title :
Two-way time transfer through SDH and SONET systems
Author :
Jefferts, S.R. ; Weiss, Marc A. ; Levine, J. ; Dilla, S. ; Parker, T.E.
Author_Institution :
Time & Frequency Div., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
NIST has built a two-way time transfer device which uses any currently unused byte in the SONET overhead to effect time transfer. The hardware shows stability which allows time transfer at approximately 100 ps. Accuracy at the same level should also be possible
Keywords :
SONET; 100 ps; SDH systems; SONET systems; interface adaptor; loop-back mode; on time marker; optical link; overhead access; remote clock; stability; synchronisation; two-way time transfer;
Conference_Titel :
European Frequency and Time Forum, 1996. EFTF 96., Tenth (IEE Conf. Publ. 418)
Conference_Location :
Brighton
Print_ISBN :
0-85296-661-X
DOI :
10.1049/cp:19960095
