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The time now is 25.04.2024 - 08:49


Napajanie

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yeager
Post subject: Napajanie  PostPosted: 13.11.2014 - 09:51 #107732
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Joined: Jún 19, 2005
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ahojt, potreboval by som poradit ohladom napajania na jednom mieste. budem tam mat 2xRocket, 2xNano a MK750up. UBNT chcem napajat cez MK. Chcel som tam dat zdroj AD-55 12V a zalohovat to 100A baterkou, len neviem ako sa bude spravat MK, kee tam bude 12V napajanie. Mate to niekto odskusane? Problem vidim v tom, ze MK obcas mava problem s odberom aj pri 24V napajani, pri 12V napajani by tam pravdepodobne bol 2x taky prud ...
 
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airbilly
Post subject: Napajanie  PostPosted: 13.11.2014 - 10:39 #107734
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Joined: Mar 13, 2005
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yeager wrote: ›ahojt, potreboval by som poradit ohladom napajania na jednom mieste. budem tam mat 2xRocket, 2xNano a MK750up. UBNT chcem napajat cez MK. Chcel som tam dat zdroj AD-55 12V a zalohovat to 100A baterkou, len neviem ako sa bude spravat MK, kee tam bude 12V napajanie. Mate to niekto odskusane? Problem vidim v tom, ze MK obcas mava problem s odberom aj pri 24V napajani, pri 12V napajani by tam pravdepodobne bol 2x taky prud ...

Určite nie 12v na rocket, daj tam 24. Potrebujes to napajat cez ten mikrotik? Ja by som to dal radšej cez 8 poe
 
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midnight_man
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 10:42 #107735
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Joined: Feb 14, 2011
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samotny rocket nema problem s 12V napajanim, problem je s tym RB750UP ktore nezvlada vacsie prudy pri 12V, takze jedina moznost je 24V.

Čo sa tyka tych poe, napajanie cez MK750UP je nič moc...a cez ten činsky hnusny low end poe 8 panel je to ešte horšie. Tiež sme to v zaciatkoch zacali používať a teraz to všetko vyhadzujeme. Prepalujú sa na tom cestičky, lámu sa plošáky..no hnus velebnosti.
 
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yeager
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 10:49 #107736
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ten MK som tam chcel dat kvoli tomu aby som mohol v pripade potreby restartovat UBNTcka ... obcas sa stane, ze v tej dedinke nie je el. 2 dni, kvoli tomu to potrebujem riadne odzalohovat ... ako som pozeral AD-55 ma vystpne napatie 14V ... idealne by bol 24V zdroj s 12V zalohou a ak by ten zdroj vedel 12V pretransformovat na min na 20V ... ale asi chcem vela Sad
 
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yeager
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 10:57 #107737
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este rozmyslam, ze by som cez ad-55 nabyjal baterku a priamo na baterku by som zapojil nabyjacku pre NB
http://www.pentask.sk/zdroj-hama-napaje ... 21686.html
a s tym by som napajal MK ... viem, ze je tam zbytocna strata napatie, ale lepsiu alternativu zatial nemam ...
 
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JOFO
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 11:05 #107739
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Joined: Jan 08, 2006
Posts: 2584

Daj tam ToughSwitch5 a daj to na 24V a budes mat po probleme.. Na vsetkych sajtoch mam na napajanie ToughSwitche a odvtedy mam kludnejsi spanok Smile
Ked nahodou nejake radio vytuhne, samo si to cez watchdog resetne port...
 
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yeager
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 11:07 #107740
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ved ok, to je jedno ci MK ci toughswitch problem je ako to napajat aby som to mal odzalohovane min na 2 dni...
 
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airbilly
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 11:49 #107743
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Location: Nitra
yeager wrote: ›este rozmyslam, ze by som cez ad-55 nabyjal baterku a priamo na baterku by som zapojil nabyjacku pre NB
http://www.pentask.sk/zdroj-hama-napaje ... 21686.html
a s tym by som napajal MK ... viem, ze je tam zbytocna strata napatie, ale lepsiu alternativu zatial nemam ...

Co riesis ? Das tam AD-155B(24V) a dve 12V baterie. Co sa tych cinskych 8 POE, treba si uvedomit, ze to ma max 5A, cize ked napchas plne POEcko s 12V kolko amperov tadial bude tiect ?
Rocket a 12V ? Dlho sme riesili zahadu, preco nam da rocket len 30 mbit a problem bol 12V, odkedy mame 24 tak cez rocket ide aj 100 mbit
 
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yeager
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 12:03 #107744
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2x100A baterka vazi cca 40kg, na to by som potreboval poriadnu skrinku ... musim vesetko montovat na ztoziar ...
 
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airbilly
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 12:40 #107748
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yeager wrote: ›2x100A baterka vazi cca 40kg, na to by som potreboval poriadnu skrinku ... musim vesetko montovat na ztoziar ...

preco zase 2x100 ? snad 2x50
 
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midnight_man
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 12:54 #107749
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Joined: Feb 14, 2011
Posts: 2544

Vazne ma rocket ine parametre pri 12V a 24V? To su mi novinky hh....co sa tych prudov tyka, to je pravda Peto...to som si s tym panelom neuvedomil.

Inac pri 24V ti stačí 2x50Ah (12V) ako vravi airbilly
 
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yeager
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 12:57 #107750
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asi to bude malo na 2 dni .... ratam tam cca 20-24W +- 1A, tj 50 hodin kym sa to vybije na 0 ...
 
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airbilly
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 13:06 #107751
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Location: Nitra
midnight_man wrote: ›Vazne ma rocket ine parametre pri 12V a 24V? To su mi novinky hh....co sa tych prudov tyka, to je pravda Peto...to som si s tym panelom neuvedomil.

Inac pri 24V ti stačí 2x50Ah (12V) ako vravi airbilly

Mame tuto skusenost na dvoch bodoch, NB a nano M5 tych 12 voltov nevadi.
 
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airbilly
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 13:08 #107752
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Posts: 1867
Location: Nitra
yeager wrote: ›asi to bude malo na 2 dni .... ratam tam cca 20-24W +- 1A, tj 50 hodin kym sa to vybije na 0 ...

Ked si pisal ze chces 12V a 100Ah takto takmer to iste je 24 a 2x50Ah(50 sa ale nerobi, bud je 42 alebo 55)
 
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yeager
Post subject: RE: Napajanie  PostPosted: 13.11.2014 - 13:14 #107753
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Joined: Jún 19, 2005
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nie celkom, lebo 20-24W spotreba sa nemeni ... meni sa iba prud ...
 
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