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Networking aproximately 150yds

Posted on 2006-11-07
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I have been charged with extending a network to a remote office over 150yds away.

I have Seen RJ45 --> SC Fibre (2km) media converters on Ebuyer, and plan to run the first 20mtrs or so from the Switch with standard RJ45, then switch to SC Fibre (using a media converter) for 130Mtrs or so, before switching back to Ethernet for the remaining run to the client PC (about 20 mtrs).

Also, if this is a viable solution, will i be able to get power to the Media Converters (which will most likely be up in the roofspace) by using Power over Ethernet Adapters??

Can anyone advise me if this will work, and what pitfalls i may experience - alternatively - if anyone has a better \ easier solution............

PS - i`ve tried Ethernet over mains but unfortunately the 2 buildings are on seperate phases.

Thanks for your help,

R.
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Question by:supportech
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Steve Knight earned 125 total points
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Hi supportech,
> PS - i`ve tried Ethernet over mains but unfortunately the 2 buildings
> are on seperate phases.

That means absolute must only use fibre between them then (or wireless I suppose) otherwise if you somehow ran a copper solution you could be into different mains and earth potentials across the two buildings, could be very messy.

Your solution would work fine, such media converters are only about £50 last time I looked, the cost of installing the fibre is more in comparison and to be honest I would suggest bringing it all the way back to the existing patch panel or at least near a source of power.  These devices normally run off a 9v or 12v plug-block power supply.

Steve


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by:supportech
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Thanks Steve,

I think i may well go down that road then, do you think the Power over ethernet is an idea, or better to keep the media converters local to the Server Cabinet \ Client Machine?

Having never networked with Fibre Before, can you give me an idea on what kind of fibre cable i will need with the Media Converter?

Thanks for your help.

R.
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by:Steve Knight
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You'll need to get someone with the proper kit in to terminate the fibre links as the ends of the fibre has to be carefully cut and polished etc. afaik so best let them advise what matches the kit - you've got single mode, multi-mode etc. not sure to be honest, I let the people I work for worry about that side normally.

I havent seen any PoE media converters but then I havent looked very hard, I normally use switches with fibre built on to them so its not an issue but have many sites I support in factory environments etc. using media converters into remote offices and switches without problem. For the cost if you are buying two it might be worth buying three for when one of them dies for some reason in the middle of an important peak period etc :-) you can do a quick swap out and save yourself a day sourcing a new one with the same fibre connectors...

Steve
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by:Steve Knight
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Just noticed you've picked my answer.  Thanks for that.  Good luck.

Steve
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