Symmetricom SyncServer S100 User Manual page 146

Glossary Glossary
S S t t r r a a t t u u m m
1 1
2- 2-15 15
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timing ng informat timi
The se sett ttin ings gs on on the The
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Syn Synch chron roniz izin ing g NTP
mo mon. n. On On th the e Syn
and and multi multicast castclie
UTC UTC
From m Wik Fro Wikip ipedi
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annou ounc nced ed at at irr irreg egul ular ar in inter ann
cr crepa epanc ncie ies. s. Lea
based ed not bas not on on the
Operational Configuration Operational Configuration
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di diti tion ons. s. Thi This s is is a a co conc ncep ept t rat
0 0 Har r d d wa Ha war r e e Cl Clo o ck ck wh
99 997-0 7-015 1520- 20-03 03 Rev Rev. . A A ..........................................................................
P P r r i i m m a a r r y y se ser r v v e e r r
Seco con n da dar r y y se ser r ve ver r Se
Unsynchron Unsynchronized, ized, unr unreacha eachable.
the Syn SyncSe cServ rver er is is: :
when the the Hard Hardware ware Clo Clock ck (st
mode de, , or or in in fre freeru erun n mo mode.
when n it it is is sy sync nchr hron oniz ized ed to to a a re remo
when n it it is is un unsy sync nchro hroni nize zed, d, in indi dica cati ting ng tha
information. ion.
the (on (on pa page ge 33)
NTP - Prefs NTP - Prefs
NTP as asso soci ciat atio ions ns are are as asso soci ciat atio ions ns ca capab
SyncSe cServ rver, er, the these se are are as asso soci ciati ations
client. nt.
edia: a: " "
Coordi Coo rdinated nated Uni Universal versal Ti Time
orm se seco conds nds def defin ined ed by by In Inter
terva vals ls to to co comp
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the uni unifo form rm pas passa sage ge of of se seco conds
configuration guration of of the the SyncServe SyncServer r needed
rathe her r tha than n a a sp spec ecif ific ic co conf nfig igura
whe e n n lo lock cke e d d . .
..........................................................................
D D e e f f i i n n i i t t i i o o n n
ble.
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de.
mote te NTP
that t it it is is se searc
33) pa page ge aff affec ect t st strat ratum
pable le of of pro
ons who whose se
Role Role
(UTC) (UTC) is is a a hi high gh-pre -preci cisi sion on ato
me
ternat natio iona nal l Ato Atomi mic c Ti Time me (TAI
mpens ensat ate e fo for r th the e ear earth' th's s sl slowi
track ck Uni Unive vers rsal al Tim
nds, , bu but t on on Eart Earth's h's ang
needed for for operatio operation n under
urati tion on. .
Pag Page e 133
refere erenc nce, e, in in
NTP se serv rver er. .
archi hing ng fo for r a a va vali lid d so sourc urce e of
um beh behav avio ior. r.
provi vidi ding ng ti time me to to the the NTP NTP da dae- e-
is is ser server, ver, pee peer, r, broa broadca dcastc stclie lient, nt,
atomi mic c ti time me st stan anda dard.
(TAI), ), wit with h le leap ap se seco conds nds
owing ng rot rotati ation on and and oth other er di dis- s-
Time e (UT), (UT), a a ti time me st stan anda dard rd
angul ular ar rot rotati ation. on." "
under a a range range of of typic typical al con-
133
of
rd.
con-