Symmetricom SyncServer S100 User Manual page 98

Tasks Tasks
Verifying the Verify ing the
Verify fy the Veri the GPS
STATUS - GPS STATUS - GPS
Verify fy sy sync nchro Veri
meets ts requi mee requireme
O Observi bserving ng the
n n
Confi Configuri guring ng ala
n n
on th the e on
Alarm Alarm
Us Usin ing g FI FIND on
n n
If If th the e GPS GPS in inst stal alla lati tion on do does es no not t me
Rev Revie iew w th the e GPS
n n
Tr Troub ouble lesh shoot
n n
Contact Contact
n n
GPS GPS Cable Configurations/Opt Cable
GPS sa sate tell llit ites es si sign gnal als s ope GPS
mu mum m si sign gnal al le leve vel l of of -16
st stru ruc c te ted d v v ie iew w of of th the e sk sky y an and d th thus us be be mo
pro provi vides des al almo
Si Sinc nce e th the e GP
ca cabl ble e to to the the rec
st stren rengt gth h wil will l att
ca cabl ble e le leng ngth th is is to too o lo long ng th the e s s ig igna nal l wi will ll be be to too o wea
is is ve very ry im impo porta
th that at the the pro prope per r ca cabl ble e so solu luti tion on ca can n be be in inst stal alle led. d.
Antenna cabli Antenna cabling ng solut
th the e GP GPS S re rece ceiv iver er. . Th
in ing g a a GP GPS S in inli line ne am
300 300 fee feet. t. Bey
li light ghts s th the e ca cabl ble e le lengt
99 997-0 7-0152 1520-0 0-03 3 Rev Rev. . A A ..........................................................................
GPS GPS Install Installation ation
GPS ant anten enna na in inst stal alla lati tion on ca can n al also so be be ac acco comp
page. page.
hroni niza zati tion on ov over er a a 24 24-ho -hour ur pe perio riod d to to en ensu sure re tha
rements nts. . This This can can be be acc accomp
the LED or LED or
SYNC SYNC STATUS - GPS STATUS - GPS
alarm rm not notifi ificat cation ion (SNMP) (SNMP) to to rec
page. page.
ADMIN - Alarm ADMIN - Alarm
ND on th the e LO LOGS GS - - me mess ssag ages es pa page ge to to se sear arc c h h fo for r "T "Tim imin ing g G G PS
meet et req
GPS to topi pics cs in in th this is us user er gu guid ide e
oot fo for r is issu sues es wit with h th the e GPS
Symme Symmetricom tricom Customer Customer Assistanc
Configurations/Options
operat rate e in in th the e L1 L1 ban
-162.0 2.0 dBW dBW. . Prac Practi tica call lly y sp spea eaki king ng th the e an ante tenna
most st co cont ntin inuo uous us op opera erati tion on da day y an and d ni nigh ght, t, an and d und
GPS S s s ig igna nal l is is v v er ery y wea weak k , , th the e an ante tenn nna a am
recei eive ver. r. Ant Anten enna na ca cabl ble e ho howev
atten enuat uate e as as it it tra trave vels ls do down
rtant nt to to kn know ow the the di dist stanc ance e in in adv
solutions ions typi typicall cally y vary
The e un unai aide ded d ca cabl ble e le leng ngth th li limi mit t fo for r th the e Sy
ampl plif ifie ier r ex exte tend nds s th the e ca cabl ble e le leng ngth th an an ad addi diti tion onal al 15 150 0 fe feet et (4 (45 5 m)
Beyon ond d 300 300 fee feet t (90 (90 m) m) al alte terna
ngths hs and and th the e an anten tenna na so solu luti tions
..........................................................................
mpli lish shed ed in in th the e web
that t th the e GPS
omplis lished hed by: by:
page. page.
receiv eive e noti notific ficati ation on of of the
requi uirem rement ents: s:
GPS an anten tenna na an and d ca cabl ble. e.
(o (on n pa page ge v v ). ).
Assistance e
ions
band d (15 (1575 75.42 .42 MHz MHz). ). GPS
moun unte ted d on on a a ro roof of, , or or in in s s om
under er poo
ampl plif ifie ies s th the e si sign gnal al to to dr driv ive e it it th thro roug ugh h th the e
wever er off offers ers so some me res resis ista tanc nce e an and d th the e GPS
wn th the e ca cabl ble. e. GPS GPS rec recei eive ver r se sens nsit itiv ivit ity y is is fi fini nite te so so if if th the e
weak k fo for r th the e re rece ceiv iver er to to de dete tect ct it it. . Con
advan ance ce bet betwee ween n th the e ant
vary dependi depending ng on on how far how far the
Sync ncSe
rnati tive ve me meth thod ods s ma may y be be us used.
ons th that at ena enabl ble e the
Page ge 85 85 Pa
web in inte terfa rface ce us usin ing g th the e
GPS an ante tenna nna in inst stal alla lati tion on
the
Timi Timing ng GPS So GPS Source urce
PS So Sour urce ce Al Alar arm"
GPS rec recei eive vers rs req requi uire re a a mi mini ni- -
nna mu must st ha have ve an an un unob ob- -
ome e c c as ases es in in a a wi wind ndow. ow. GP
poor r wea weathe ther r co cond ndit itio ions ns. .
GPS si signa gnal l
Conse sequ quen entl tly y it it
anten enna na and and the the rec recei eive ver r so so
the antenna antenna is is insta installed lled from from
Serv rver er is is 15 150 0 fe feet et (4 (45 5 m) m). . Ad
m) to to a a to tota tal l of
ed. The The fol follo lowin wing g fi figu gure re hi high gh- -
them: m:
m". .
GPS S
Add- d-
of