1000BaseSX and Single Mode Fibre
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1000BaseSX and Single Mode Fibre

 
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Steve Wright
Guest
Posted: Fri Apr 08, 2005 4:15 pm    Post subject: 1000BaseSX and Single Mode Fibre Reply with quote
Hi all,

I'm hoping someone can advise, as I am unsure.

I have a short run of single mode fibre (~90 meters) between a couple
of buildings and have some switches that have 1000BaseSX SFP adapters
in them.

Am I correct in believing that with 1000BaseSX it has to be multimode
fiber? What are the chances of this working with the single mode fiber
as it is quite a short run?

Thanks for any help!

Steve
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Daniel J McDonald
Guest
Posted: Fri Apr 08, 2005 6:11 pm    Post subject: Re: 1000BaseSX and Single Mode Fibre Reply with quote
In article <51c7914e.0504080815.56a43cc1@posting.google.com>,
Steve Wright <steve.wright@visp.me.uk> wrote:
Quote:
I have a short run of single mode fibre (~90 meters) between a couple
of buildings and have some switches that have 1000BaseSX SFP adapters
in them.

Am I correct in believing that with 1000BaseSX it has to be multimode
fiber?

Yes.

Quote:
What are the chances of this working with the single mode fiber
as it is quite a short run?

Slim to none. 10 meters might make it.

LX gbics are pretty cheap - they are under $100 if you look hard enough.
Go buy a pair off e-bay and slap them in your device.

--
Daniel J McDonald CCIE # 2495, CNX
Visit my website: http://www.austinnetworkdesign.com
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