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The time now is 27.04.2024 - 23:59


rb750up napaja loco, pri maximalnom tx - restart

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rado3105
Post subject: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 01:04 #101934
Majster


Joined: Júl 11, 2008
Posts: 2311

Z rb 750up napajam jedno loco(ethernet 4), forced on, v pokoji tam ide okolo 550mW, ked dam nejaky test kde je vysoke tx, tak sa mikrotik restartuje(stiholo som pozriet ze to ukazala 1,2A)....Napajane to je original adapterom.....ros v5.22, routerboard v3.0.
Stalo sa aj vam?
 
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JOFO
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 09:36 #101935
Majster


Joined: Jan 08, 2006
Posts: 2584

Pokial si dobre pamatam, tak 750UP ma 500mA na port t.j. 1,2A je hodne vela a zrejme sa aktivuje ochrana proti pretazeniu. Mas to napajane priamo tym 24V trafom, alebo mas RBcko napajane cez PoE ?
Skus pripadne updatnut fw na 3.02
 
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midnight_man
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 11:58 #101936
Majster


Joined: Feb 14, 2011
Posts: 2544

musis to napajat 24V...vtedy pri 500mA mas cca 12W, co by nemal prekrocit ani rocket.
 
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wsk
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 13:37 #101937
Basic


Joined: Mar 17, 2006
Posts: 312

No mne sa to este nestalo a mam na viacerych miestach. Napriklad 1xRB750UP napaj 4xNanoBridge a traffic je tam na jednom porte cca 50M + 3 x 10-15M.
 
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rado3105
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 18:00 #101938
Majster


Joined: Júl 11, 2008
Posts: 2311

takze napajanie tam je 12V, 60W zdroj....zeby tymi 12V?
 
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midnight_man
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 18:04 #101939
Majster


Joined: Feb 14, 2011
Posts: 2544

Tak už vies kde je problem, musis mat 24V.
 
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JOFO
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 18:27 #101940
Majster


Joined: Jan 08, 2006
Posts: 2584

Tak tak, 12V je velmi malo pre UBNT... ja davam min 18V, ale najcastejsie 24V, tam mas istotu ze to nebude blbnut...
 
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midnight_man
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 18:40 #101941
Majster


Joined: Feb 14, 2011
Posts: 2544

Nejde o to ze 12V je malo pre UBNT. 12V je dost pre UBNT...aj 10. Problem je ze RB750UP obmedzuje prud, cize P=U*I pri 24V ti tečie len polovičný prúd, ktorý UPko v pohode zvládne. Problém nastáva pri zálohovaných sajtoch na 12V, tam si nepomozes.
 
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JOFO
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 08.12.2012 - 22:02 #101948
Majster


Joined: Jan 08, 2006
Posts: 2584

Ved presne to som mal na mysli,tak ako som to napísal skôr, rbcko obmedzuje prúd na 500mA čiže pri 12V to da max 6W čo je pre ubnt pri záťaži už malo.
 
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Piti
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 11.12.2012 - 23:32 #101976
Basic


Joined: Aug 07, 2004
Posts: 105
Location: Gelnica
JOFO wrote: ›Ved presne to som mal na mysli,tak ako som to napísal skôr, rbcko obmedzuje prúd na 500mA čiže pri 12V to da max 6W čo je pre ubnt pri záťaži už malo.


ja som mal na 750UP 2xMS M5 , 1x Rocket a 1xW4k a tiez pri troche zataze to restartovalo. Napajane to bolo 24V 2,5A zdrojom (original co bol pri RB750UP) a potom som skusal aj s 24V 6A zdrojom ale tiež bezvysledne, stale sa restartovali zariadenia cez ktore som pustil vecsi trafic.
 
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JOFO
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 11.12.2012 - 23:59 #101977
Majster


Joined: Jan 08, 2006
Posts: 2584

750UP dost blbli ked boli napajane cez PoE... ked boli napajane klasicky restartovalo sa to len pri fakt velkej zatazi... mal tomu pomoct vraj novy bootloader ale neviem, neskusal som to.. stratil som v MK doveru, radsej nahodim ThoughSwitch PoE pro a je po starosti.. mam to manazovane a mozem si kazdy port nastavit ako potrebujem (24V/48V).
 
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airbilly
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 12.12.2012 - 19:49 #101984
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Joined: Mar 13, 2005
Posts: 1867
Location: Nitra
JOFO wrote: ›750UP dost blbli ked boli napajane cez PoE... ked boli napajane klasicky restartovalo sa to len pri fakt velkej zatazi... mal tomu pomoct vraj novy bootloader ale neviem, neskusal som to.. stratil som v MK doveru, radsej nahodim ThoughSwitch PoE pro a je po starosti.. mam to manazovane a mozem si kazdy port nastavit ako potrebujem (24V/48V).

Kedy to bude v predaji ?
 
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rado3105
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 12.12.2012 - 22:00 #101985
Majster


Joined: Júl 11, 2008
Posts: 2311

http://www.pentask.sk/switch-ubiquiti-n ... 80451.html
uz to je v predaji....len nevie to routing klasicky manazovatelny switch, plus nema ani voltmeter....
..cakam skor na edgerouter, len keby vedel poe....
 
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Chalan
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 15.12.2012 - 10:27 #102001
Majster


Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
midnight_man wrote: ›Nejde o to ze 12V je malo pre UBNT. 12V je dost pre UBNT...aj 10. Problem je ze RB750UP obmedzuje prud, cize P=U*I pri 24V ti tečie len polovičný prúd, ktorý UPko v pohode zvládne. Problém nastáva pri zálohovaných sajtoch na 12V, tam si nepomozes.


pomozes... vymenou za napr. ad155b a ktomu 2x12V batt. do serie. ak tam mas nejake zariadenie co berie len 12V tak pred neho konvertor z 24V na 12V...
 
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midnight_man
Post subject: RE: rb750up napaja loco, pri maximalnom tx - restart  PostPosted: 15.12.2012 - 12:45 #102005
Majster


Joined: Feb 14, 2011
Posts: 2544

ano, ale snad nebudeme prerabat sajty kvoli tomu ze súdruhovia šetrili na DPSke. 750UP je krásna myšlienka..ale ako vždy jej chýbaju detaily.
 
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