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Can I connect a Nortel switch with a Cisco switch using fiber?

Posted on 2006-10-28
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Last Modified: 2008-02-01
I am currently trying to connect a Nortel Baystack 450-24T switch with a fiber module card (450-1LR MDA) to a Cisco 3550 Swith with a GBIC (WS-G5484). This is my first time trying to connect switch with fiber so I am not sure if this will work. Has anyone done this before and if you have, what do i need to do to make them see each other?
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Question by:EdgardoLynch
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lrmoore earned 125 total points
ID: 17826706
Sure, it will work. You shouldn't have to do anything at all to either one except plug them in.
As long as both fiber modules are for multi-mode. I know the Cisco one is by the part number, but not sure about the Nortel card..I'm assuming it is.
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by:pseudocyber
ID: 17833047
Nope.  That Nortel part is Single Mode.  Nortel pretty much uses the designation LR for Long Range = Single Mode and SR for Short Range = Multi Mode.

Fear not, I'm sure you can find an 450-1SR MDA on Ebay - or buy it in a switch instead of seperate - for about $50 or less.
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by:EdgardoLynch
ID: 17860813
Thank you guys, I found out that my problem was that the Cisco GBIC is for multi-mode. I changed it and now my link is working perfectly.

Thank s again.
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LVL 79

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by:lrmoore
ID: 18011382
It should be a split between lrmoore and pseudocyber
lrmoore: As long as both fiber modules are for multi-mode. I know the Cisco one is
pseudocyber: That Nortel part is Single Mode.

> found out that my problem was that the Cisco GBIC is for multi-mode
That's exactly what I said in my post....

We definately pointed out that there was a discrepancy between the two modules and that was the crux of the problem.
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by:Keith Alabaster
ID: 18011405
OK, agreed. Not quite sure where my brain was looking. certainly wasn't in the same direction as my eyes.
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by:pseudocyber
ID: 18011770
Lr, I saw it on my Blackberry and was grabbing my laptop to respond - ditto!  Thanks Keith. :)
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by:pseudocyber
ID: 18018736
Thanks. :|
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