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The time now is 10.11.2024 - 23:13


cinske otdr

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xtome2
Post subject: cinske otdr  PostPosted: 04.10.2016 - 12:53 #111742
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Joined: Aug 14, 2011
Posts: 209

pouzivate niekto lacne cinske otdr?

napr. taketo
https://www.aliexpress.com/item/RUIYAN- ... &tpp=1


https://www.aliexpress.com/item/Handhel ... 4b085d7d92


potrebujem otdr s ktorym by sa dalo merat na pon sieti.
co by take otdr malo vediet?
 
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deelite
Post subject: RE: cinske otdr  PostPosted: 06.10.2016 - 09:39 #111750
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Joined: Apr 22, 2003
Posts: 358

Mame cinu. Nieje to take citlive ako napr. EXFO - konektor to zisti, ale zvar uz nie. Na identifikaciu poruch nam to zatial stacilo.
 
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xtome2
Post subject: RE: cinske otdr  PostPosted: 06.10.2016 - 11:00 #111751
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Joined: Aug 14, 2011
Posts: 209

vies dat link na ten co pouzivas?
ja by som s tym sem-tam potreboval zmerat kde je utlm. napr par krat sa mi stalo ze sa mi v kazete naplo vlakno a spravilo to 15 - 20db utlm, a potom som to musel hladat. alebo odhalit chybny zvar, alebo odhalit kde je prerusene vlakno
 
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deelite
Post subject: RE: cinske otdr  PostPosted: 07.10.2016 - 08:49 #111756
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Joined: Apr 22, 2003
Posts: 358

https://sinomortech.en.alibaba.com/prod ... _OTDR.html
samozrejme, chybny zvar to zisti, aj taky ohyb ako popisujes a aj prerusene vlakno Smile
Na PONe musis merat na takej vlnovej dlzke, ktoru nepouzivas
 
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xtome2
Post subject: RE: cinske otdr  PostPosted: 07.10.2016 - 14:56 #111757
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aka bola cena?

ked sa to pripoji u zakaznika do pon siete zmera jednotlive splitre az po OLT?
 
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deelite
Post subject: RE: cinske otdr  PostPosted: 07.10.2016 - 17:28 #111758
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Joined: Apr 22, 2003
Posts: 358

cenu uz nepamatam ale urcite nad 2000e. nikdy sme s nim nemerali celu trasu. za prvym splittrom ( 1:8 ) to este "vidi" veci jakz takz, takze prerusene vlakno alebo velky utlm to zmeria. za dalsim uz len sum. siet mame urobenu tak, ze nemam problem merat priamo vlakno, ktore chcem...

ale moznoze odvtedy uz cinania vyladili obvody a nove uz mozno meraju ako exfo Smile
 
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