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The time now is 12.05.2024 - 12:52


Vysokokapacitne spoje

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krtko
Post subject: RE: Vysokokapacitne spoje  PostPosted: 18.04.2011 - 19:49 #90375
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Joined: Jan 21, 2004
Posts: 425
Location: Rimavska Sobota
@xtome1
co som cital narychlo, zatial je to iba v priprave ale co uz vedia naisto nebude to supportovat 40mghz kanal na airmax APcku iba mensiu sirku.
 
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JOFO
Post subject: RE: Vysokokapacitne spoje  PostPosted: 18.04.2011 - 20:22 #90376
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Joined: Jan 08, 2006
Posts: 2584

presne tak, AirOS 4 bude s podporou AMX ale len do sirky 20MHz. Takisto to bude fungovat len v konfiguracii v4+ oproti v5.5+. Prva beta v4 bude k dispozicii s prvou kompletnou beta verziou v5.5
Odhadujem ze to bude tak cca 4-6 tyzdnov trvat podla aktualneho stavu v5.5
 
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pixall
Post subject: RE: Vysokokapacitne spoje  PostPosted: 18.04.2011 - 20:39 #90378
Majster


Joined: Okt 21, 2003
Posts: 4247

a taktiez na 802.11a legacy zariadeniach (Nano5 a spol) nebude mozne bezat Airmax AP, iba Airmax klient. ale aj tak su dobri. a ak to dokazu nielen slubit, ale nakoniec aj splnit, tak klobuk dole Smile
 
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JOFO
Post subject: RE: Vysokokapacitne spoje  PostPosted: 18.04.2011 - 22:19 #90382
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Joined: Jan 08, 2006
Posts: 2584

ja tomu verim... je to na najlepsej ceste...
chlapci v UBNT sa uz od zaciatku snazili priniest nieco naviac...
doteraz som s ich pristupom k zakaznikovi velmi spokojny i ked niektore veci trvaju trochu dlhsie ako boli prve predpoklady Smile
 
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andreas4all
Post subject: RE: Vysokokapacitne spoje  PostPosted: 19.04.2011 - 00:00 #90383
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dedinka pri PD

 
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keksik
Post subject: RE: Vysokokapacitne spoje  PostPosted: 20.04.2011 - 10:31 #90403
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Joined: Sep 08, 2005
Posts: 125

Na tych mojich cca 2,2km by siklu nestacilo? Neskusal to niekto nahodou na vetsiu vzdialenost ako 1,5km?
 
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kubiik
Post subject: RE: Vysokokapacitne spoje  PostPosted: 20.04.2011 - 13:10 #90405
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Joined: Jan 24, 2004
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keksik wrote: ›Na tych mojich cca 2,2km by siklu nestacilo? Neskusal to niekto nahodou na vetsiu vzdialenost ako 1,5km?


asi nedoporucujemô

ja som to povedne chcel dat na 2km
ale po skoleni ci co to bolo Smile ked mi objasnili co za modulacie tam ficia som musel zmenit navrhovanu strukturu a dat to pod 1.5km

ono ked uz nestiha pri horsich podmienkach najvyssia co tam je (tj kapacita linkovych 200mbit) tak to skoci na 40Mbit co je SAKRA rozdiel...

cize sa treba drzat cim blizsie to ide Smile

ale ak ti nevadi ze pri fakt zlom pocasi to skoci sem tam na nzisiu modulaciu a dost vyrazne to oreze kapacitu....
 
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pixall
Post subject: RE: Vysokokapacitne spoje  PostPosted: 20.04.2011 - 23:16 #90418
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Joined: Okt 21, 2003
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kubiik wrote: ›
ale ak ti nevadi ze pri fakt zlom pocasi to skoci sem tam na nzisiu modulaciu a dost vyrazne to oreze kapacitu....


v priade ze mas userov ktori v peknom pocasi sedia na nete, a v silnom dazdi a snehu chodia po vonku, tak ten pokles kapacity viacmenej nevadi.
 
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keksik
Post subject: RE: Vysokokapacitne spoje  PostPosted: 21.04.2011 - 01:37 #90419
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Joined: Sep 08, 2005
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Hmm, tak toto nist. Ale kontaktoval som Alternetivo, ze dame rec, tak som zvedavy s cim Noskovic vyrukuje. Az sa mi nieco bude vidiet snad mi pomozete dostat sa do "obrazu". Rolling Eyes
 
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421
Post subject: RE: Vysokokapacitne spoje  PostPosted: 21.04.2011 - 06:10 #90420
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Joined: Jún 12, 2005
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jednoducho siklu je zariadenie so svojimi jasne stanovenymi parametrami. Aj u licencakov a to je jedno ci hovorime o ceragone, nere alebo safe je spravanie uplne totozne. V pripade burky alebo vzdialenosti si predsa sam korigujes teoreticku dostupnost sluzby a to prave rezervou zisku. Cize bud pridavas na vykone alebo zvacsujes antenu. Vsetko zalezi na eurickach, ktore si ochotny do toho vrazit. Cely problem vacsinou na tomto fore je ten, ze kazdy chce spoj za dve koruny. Teraz budem teoretizovat, antena andrew 120cm stoji cca 2500dolarov, 180cm stoji 4000dolarov. Je to maloobchodna cena a berme jednoducho ze je. Teoreticky keby bolo siklu s vymenitelnou antenou a bolo by mozne urobit aj spoj na 2,5km ale mal by si keksik doplatit za anteny este cca 5000dolarov, isiel by si do toho? popripade aj na 4km ale bol by doplatok dalsich 8000dolarov za anteny???? Takze plati stare dobre heslo: Za malo penazi malo muziky......
 
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pixall
Post subject: RE: Vysokokapacitne spoje  PostPosted: 21.04.2011 - 13:20 #90433
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Joined: Okt 21, 2003
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hm, tam bol problem tusim aj s tym, ze vacsie anteny este nie su. a teraz uz neviem ci to platilo pre siklu, alebo ine zariadenie v 70 gigovom pasme, ale zmena anteny z 30cm na 60cm by zvysila maximalny dosah z tusim 2600 na 2800 metrov. takze ziadna velka slava.
 
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zelmar
Post subject: RE: Vysokokapacitne spoje  PostPosted: 21.04.2011 - 20:15 #90440
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Problem pri 70Ghz je pri antenach uz s rovnostou odrazovej plochy anteny vzhladom na velkost vln..takze vecsie anteny neocakavajte, lebo cena by rastla exponencialne k velkosti a hned by silno preskocila cenu devajsu....
 
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airbilly
Post subject: RE: Vysokokapacitne spoje  PostPosted: 21.04.2011 - 21:24 #90443
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Joined: Mar 13, 2005
Posts: 1867
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Zariadenia sa teda maju pouzivat na co su urcene, siklu do 2 km(uvidime v zime/alebo pocas burok;-) Ked tak kupime 24 Ghz luminu ked bude vypadavat
 
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keksik
Post subject: SUMMIT DEVELOPMENT  PostPosted: 24.07.2011 - 02:09 #92507
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Joined: Sep 08, 2005
Posts: 125

Co hovorite na zariadenia tejto znacky http://www.summitd.cz/sdv-10g

Na 3 a na 5km spoje co este okrem tohoto treba?
http://wifi.aspa.cz/summit-development- ... s-z103049/

http://wifi.aspa.cz/summit-development- ... z-z103333/
(neviem teda ci 90 alebo 65ky anteny)

A co organizacne a financne obnasa ta cast spojena s TUSR?
Dik.
 
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pixall
Post subject: SUMMIT DEVELOPMENT  PostPosted: 24.07.2011 - 02:41 #92508
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Joined: Okt 21, 2003
Posts: 4247

neviem ci to je vobec pouzitelne. 10ghz pasmo pre bod-bod u nas nepouzijes vobec. licencovane pasmo 11 ghz teoreticky ano, ale zda sa ze ten spoj ma americke kanalovanie (uvadzaju rychlosti 40mhz kanal, v europe je skor zvykom sirka kanaly 28 alebo 56 mhz). v niektorom z licencovanych pasiem sme mali 40mhz kanaly, ale nepamatam v ktorom, a bolo v plane ich rusit a davat uz len opdla europskych zvyklosti. skor sa spytaj v aspe ze ci to je pouzitelne na slovensku, mozno vedia dodat verziu ktora by tu bola legalne prihlasitelna.
 
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