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The time now is 10.05.2024 - 12:30


hardware na cca 20km

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m-tec
Post subject: hardware na cca 20km  PostPosted: 28.05.2008 - 08:07 #65463
Ucen


Joined: Máj 31, 2006
Posts: 965
Location: Šahy
máte niekto skúsenosti s 20km spojom ? Ako to urobiť, čo by ste na to použil? Malo by tade tiecť okolo 8Mbit, časom možno viac. Mám 10 a 14km spoje, idú v pohode aj bez turba či nstreme 24/36 s CM9 a PW-čkami 27 resp JRC24.
 
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alwarez
Post subject: RE: hardware na cca 20km  PostPosted: 28.05.2008 - 09:52 #65466
Basic


Joined: Máj 22, 2005
Posts: 477
Location: Michalovce
sak normalne na wifi kalkulacke si prepocitaj ake parametre hw a anten potrebujes a hotovo.
kym nenapises kolko za to chces dat, ake pictaily mas k dispozicii a podobne tak ti tazko niekto nieco poradi
 
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m-tec
Post subject: RE: hardware na cca 20km  PostPosted: 28.05.2008 - 10:19 #65469
Ucen


Joined: Máj 31, 2006
Posts: 965
Location: Šahy
Jasne, to sa da spocitat, ide mi len o spolahlivost, karty a tak. Pigtaily normalne k RB co su, to neriesim. Potrebujem skor poradit karty a dobre anteny. Zrejme by som to robil na RB Alixoch. (napr.2c0) . Skor som chcel vediet ci to niekto ma takyto spoj a ci to moze chodit spolahlivo.
 
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airbilly
Post subject: RE: hardware na cca 20km  PostPosted: 28.05.2008 - 10:37 #65471
Guru


Joined: Mar 13, 2005
Posts: 1867
Location: Nitra
Takyto spoj ries na nstreme dual RX karta SR5 TX karta r52, anteny PW32 na RX na tx daj 27. Platforma miniitx
*** Mini-ITX riešenie pre Nstreme prepoje (1x/CM9) - 10590Sk !!!
*** Mini-ITX riešenie pre Nstreme prepoje (2x/CM9) - 11590Sk !!!
*** Mini-ITX riešenie pre Nstreme prepoje (1xSR5/XR5) - 11590Sk !!!
*** Mini-ITX riešenie pre Nstreme prepoje (2xSR5/XR5) - 13590Sk !!!
Vysokovýkonné riešenie pre Nstreme spoje v pásme 5GHz - hliníková outdoor skriňa malých rozmerov 260x200x80
s držiakmi na trubku, CPU 1,5GHz/1MB Cache, napájanie jedným napätím po dvojdráte - zdroj 19V, 256MB RAM,
DoM Mikrotik OS Level4.
www.*REKLAMA*.sk
 
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mashinepistole2
Post subject: RE: hardware na cca 20km  PostPosted: 28.05.2008 - 11:26 #65473
Basic


Joined: Máj 15, 2008
Posts: 413
Location: Nedaleko od Losonca
Mam takyto spoj na 19km nstreme2 , anteny rx JRC29 tx interline23 minipci CM11 zregulovane to da okolo 20mbps ked sa to kus prepiskne z vykonom tak 30mbps , ide to na P4 3,0Ghz , bez zataze ping 0ms zo zatazov nejakych 15mbps ping 0 az 2 ms . Mozno by nstreme2 utiahli aj alixi , ja som volil pc koli vykonu , mam to na spoji k optike .


Last edited by mashinepistole2 on 28.05.2008 - 12:40; edited 2 times in total
 
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m-tec
Post subject: RE: hardware na cca 20km  PostPosted: 28.05.2008 - 11:34 #65474
Ucen


Joined: Máj 31, 2006
Posts: 965
Location: Šahy
"nstreme 2 anteny rx JRC29 tx interline23 minipci CM11"
Teraz nerozumiem ci si myslel nstreme 2 s 2 antenami na oboch stranach alebo nstreme a 2 anteny dokopy . Myslim ze zatial nstreme2 nepotrebujem, napr. alix ma 2 sloty, to by sa riesilo podla potreby by sa dohodila karta. Ako som pisal, potecie tam zatial max.8 MB . Co mam 14 km spoj tak mi chodi super aj s 1 antenou v obycajnom nstreme. Dava mi to cca 24/36M , pod 24 neklesne.
 
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mashinepistole2
Post subject: RE: hardware na cca 20km  PostPosted: 28.05.2008 - 12:39 #65475
Basic


Joined: Máj 15, 2008
Posts: 413
Location: Nedaleko od Losonca
Myslel som nstreme2
 
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Saigon
Post subject: RE: hardware na cca 20km  PostPosted: 15.07.2008 - 23:10 #67134
Basic


Joined: Mar 13, 2004
Posts: 226
Location: Maly Cepcin
Mate niekto realne skusenosti so spojom na vzdialenost cca 30km (40Mbit FD)?
 
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421
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 06:44 #67143
Majster


Joined: Jún 12, 2005
Posts: 2739
Location: zilina
mame spoj na 27km a ide nam tadial 18Mbit HD, viac nepotrebujem, este len teraz tam zapajam prvych ludi ale je to pripravene na upgrade. Saigon kde xces prosim ta strielat 30km???
 
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Saigon
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 09:48 #67147
Basic


Joined: Mar 13, 2004
Posts: 226
Location: Maly Cepcin
421 zistoval som si realizovatelnost tvojho riesenia spoja od nas na chatu pod magurou. Ak pojdem v norme je to dost na hrane a preto som chcel vediet ci ma s tym niekto realne skusenosti.
 
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421
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 10:38 #67151
Majster


Joined: Jún 12, 2005
Posts: 2739
Location: zilina
pojde ti to bez problemov, daj si kvalitne anteny s uzkym vyzarovanim, nie jirous a do mikrotiku si daj tie silnejsie karty, urob co najkratsi pigtail a dobre ho zaizoluj vulkanizacnou paskou. Spoj urobis na 30km bez problemov...
 
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Saigon
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 10:44 #67153
Basic


Joined: Mar 13, 2004
Posts: 226
Location: Maly Cepcin
421 neboj viem karty aj anteny a aj to ze to mam izolovat... ide o to ze rezerva toho spoja bude cca 8dB a na 30km uz aj pocasie ma svoj vpliv...preto sa pytam na realne skusenosti s tak dlhymi spojmi... Ide to niekomu este okrem 421?
 
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421
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 10:54 #67156
Majster


Joined: Jún 12, 2005
Posts: 2739
Location: zilina
pozriem neskor a napisem ti presne ale rezervu tam mam ovela vacsiu ako 8dB, to by bolo uz naozaj na hrane. Viem ale, ze chalani objednavali tu silnejsiu kartu a smiali sa, ze zohnali este raz tak silnu a ma v konecnom dosledku mansiu spotrebu ako ta s najnizsim vykonom. Anteny 29dBi, popripade mozem niekde zavesit aj foto.
 
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Saigon
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 11:17 #67157
Basic


Joined: Mar 13, 2004
Posts: 226
Location: Maly Cepcin
Podla vypoctov:
frekvencia=5600Mhz, vzdialenost = 30km, utlm_na_trase = 136.928dB
vystup TX=30dB, citlivost RX(XR5 na 24Mbps) = -86dBm, Antena 32dB - straty 2dB
suma sumarum:
potrebna citlivost: -76.928dBm, rezerva = 9.072dB
 
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421
Post subject: RE: hardware na cca 20km  PostPosted: 16.07.2008 - 22:20 #67178
Majster


Joined: Jún 12, 2005
Posts: 2739
Location: zilina
citujem z i4wifi:
UBNT - XR5 miniPCI karta s chipsetem AR5414 vyniká extrémní citlivostí -94 dBm a až 6x zvýšeným výkonem na 600 mW
 
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