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The time now is 27.04.2024 - 22:20


ubnt 24ghz

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edusko
Post subject: ubnt 24ghz  PostPosted: 08.03.2013 - 21:12 #103048
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Joined: Aug 14, 2008
Posts: 1149

ma niekdo nasadeny tento spoj/
 
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JOFO
Post subject: RE: ubnt 24ghz  PostPosted: 08.03.2013 - 23:41 #103051
Majster


Joined: Jan 08, 2006
Posts: 2584

ano, urcite sa nas tu najde viac Smile
 
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edusko
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 04:41 #103052
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Joined: Aug 14, 2008
Posts: 1149

POTREBOVAL BY SOM VEDIET KOLKO REALNE PRETLACI PREDPOKLADAN VZDIALENOST 7KM A AKO CASTO SA STANE ZE SA ROZPOJI
 
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midnight_man
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 08:59 #103053
Majster


Joined: Feb 14, 2011
Posts: 2544

si sa pojašil na 7km? Very Happy
 
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JOFO
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 09:42 #103055
Majster


Joined: Jan 08, 2006
Posts: 2584

pri dodrzani max eirp 20db budes mat signal pri najlepsom moznom naladeni okolo -78, co je uz blizko hranice pouzitelnosti... pri -85 sa to rozpoji kompletne. Pri -78 mozes ocakavat najlepsiu modulaciu QPSK SISO, co je tak max 120M, ked sa trosku zhorsi pocasie a zacne mrholit, signal klesne o par db a prepne sa to na 1/4x modulaciu, kde to pojde max 60M. Ak to chces nasadit, daj tam minimalne nejakeho rocketa ako zalohu, lebo pri zhorseni pocasia sa to bude rozpajat casto.. Druha moznost je podvihnut tam vykon aby to slo stabilnejsie, ale v kazdom pripade odporucam mat tam zalohu na 5-ke. Ak je to len docasny spoj, tak chvilu tam mozes prazit aj viac.
 
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midnight_man
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 10:21 #103056
Majster


Joined: Feb 14, 2011
Posts: 2544

to mu 3/4 zimy pôjde cez ten rocket.....podla mna to nie je spoj na 7 km.
 
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JOFO
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 11:03 #103057
Majster


Joined: Jan 08, 2006
Posts: 2584

zima tomu nevadi.. teda pokial sa ti nan nenalepi 10cm vrstva snehu. Toto treba odpratavat Smile
Sneh ako taky spoju nevadi, skor dazd.
 
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kiwi
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 11:36 #103058
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Joined: Jan 30, 2003
Posts: 1572

este by som jofa doplnil, jednu stranu ma na stoziari, kde som mal ja niekedy luminu, ktora si s -2dbm ani neskrtla pri jeho "podvihnutom" vykone na 9km, takze teraz tam idu dva airfiber spoje jednym smerom s 5stupnovym azimutom jeden od druheho a napodiv to ide bez vacsich problemov Smile, aspon nas 2km spoj
a okrem toho tam este jofov dodavatel privesil na ine smery jeden alebo dva airfibery a aj napriek tomu to este furt dobre ide (dufam ze som to teraz nezakrikol), takze s doterajsich skusenosti mozem povedat ze tie smerove anteny su naozaj uzko smerove a nenecha sa to velmi vyrusovat

fakt je, ze nam uz dvakrat odisla jednotka na AF, zmizol, alebo mizne a objavuje sa jeden z chainov, resp. ma obrovsky utlm
 
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JOFO
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 12:28 #103059
Majster


Joined: Jan 08, 2006
Posts: 2584

kiwi: vsimol som si ze si prihodil AF zhruba rovnakym smerom. neviem ako SAFy, ale AFka su velmi dobre odtienene, takze rusivost je tam minimalna. To som videl uz aj na stole, ked som mal vedla seba 2 AFka rovnakym smerom a ani sa len nevideli... Moj spoj by tam nemal byt nastalo, je to len docasne riesenie, kym sa linka neporiesi inak. Miznutie chainov je vacsinou sposobene zlym smerovanim.. Na zaciatku to robilo aj mne, ale ked som dosmeroval, tak uz sa drzia oba chainy zhruba na rovnakej urovni...
 
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kiwi
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 13:44 #103060
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Joined: Jan 30, 2003
Posts: 1572

ja som ho neprihodil, ja som musel vymenit Smile, lebo ste ma zrusili

miznutie chainov a utlm sme uspesne vyreklamovali, ak chces, mozes si to dat na zk6 do smizian, som ochotny to potial prehnat mojou optikou
 
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JOFO
Post subject: RE: ubnt 24ghz  PostPosted: 09.03.2013 - 14:05 #103061
Majster


Joined: Jan 08, 2006
Posts: 2584

Tie SAFy su potom asi dost supacke radia, ked sa daju tak lahko zarusit. I ked sa mi to zda cudne, kedze dva AFka na 30cm od seba nechytaju ziadne rusenie ani na plnom vykone. Predsalen tie luminy boli asi drahsie ako AFka. Ako som vravel, je to docasna zalezitost, kym si poriesim niektore veci. Mozno uz v lete tam to AFko nebude, ked vsetko pojde ako ma.
 
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wsk
Post subject: RE: ubnt 24ghz  PostPosted: 10.03.2013 - 16:25 #103081
Basic


Joined: Mar 17, 2006
Posts: 312

U mna zatial tiez spokojnost, no uvidime ked nam riadne zaprsi...
Mam to na 2km, signal -60 s vykonom 20db. Teraz som si vsimol taku vec, ze na strane master mi GPS nefunguje. Ani signal neukazuje v percentach, ani nic. Na opacnej strane funguje OK. Mozno niekedy skusim resetnut...
 
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midnight_man
Post subject: RE: ubnt 24ghz  PostPosted: 10.03.2013 - 16:30 #103082
Majster


Joined: Feb 14, 2011
Posts: 2544

riesilo sa to na UBNT fore..pohladaj.
 
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kotol
Post subject: RE: ubnt 24ghz  PostPosted: 11.03.2013 - 09:00 #103091
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Joined: Júl 14, 2005
Posts: 1591

ma ta vec nieco ako ATPC?
 
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JOFO
Post subject: RE: ubnt 24ghz  PostPosted: 11.03.2013 - 09:20 #103092
Majster


Joined: Jan 08, 2006
Posts: 2584

zatial nie, ale nove ficurky sa postupne dorabaju...
 
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