max length of cat5e - recommended

  • Thread starter Thread starter Lex
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Lex

Lex

Lex

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whats the maximum length you should put ethernet cable before it even begins to loose signal strength?
 
Lex said:
whats the maximum length you should put ethernet cable before it even begins to loose signal strength?
Click to expand...

(picky mode on)
AFAIK it's not a signal strength problem, it a timing issue to do with dropped packets.
(picky mode off)
:-)

you can extend this with a hub(s) in the middle.
 
bitslice said:
(picky mode on)
AFAIK it's not a signal strength problem, it a timing issue to do with dropped packets.
(picky mode off)
:-)

you can extend this with a hub(s) in the middle.
Click to expand...

are you following my posts??? hehe Yeh you're right packets dropping etc.

come follow me to my next post
 
It is 100m but i've done a little case study on this during my CCNA.
Signal starts deteriorating t around 90m. At 90m, I got crosstalk, PSNEXT and a lot of attenuation.
 
eXSBass said:
It is 100m but i've done a little case study on this during my CCNA.
Signal starts deteriorating t around 90m. At 90m, I got crosstalk, PSNEXT and a lot of attenuation.
Click to expand...


ooh. well i think i'll have to scrap the idea of cat5 over such a distance. any other way to make the connection? wireless via repeaters? what else?
 
eXSBass said:
Not feasible for home/small office.
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who said it was for home or small office? hehe

tell me more about fibre. e.g. the cost for about 200metres of it. each end comes with ethernet connectors? AND what is the transfer e.g. 100mbps?
 
If the OP needs to consider using repeaters because cat5 won't go long enough without it, then we're either talking about a very big or a not-so-small office.

Why though? I've got fibre linking a couple of switches in my office in Madrid and the cost was pretty much nothing - £100 or so for the fibre and a few hundred for the transceivers in the switches.
 
Lex said:
who said it was for home or small office? hehe

tell me more about fibre. e.g. the cost for about 200metres of it. each end comes with ethernet connectors? AND what is the transfer e.g. 100mbps?
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No, fibre will come with ST/SMA/FC/whatever connectors, not ethernet. Wht equipment will be at each end of the fibre?
 
Burbleflop said:
No, fibre will come with ST/SMA/FC/whatever connectors, not ethernet. Wht equipment will be at each end of the fibre?
Click to expand...

netgear router and a netgear access point
 
Lex said:
netgear router and a netgear access point
Click to expand...

Then you'll need some sort of ST/SMA/whatever to ethernet transceiver on both end of the fibre. I don't know of any models to suggest, all my fibre installations go into dedicated fibre transceivers in the equipment we have.
 
Hi Lex,
heh, didn't realise this was another post from you :-)

you can get standalone fibre-ethernet boxes for termination

normally called "media convertors"



eg
D-Link DMC 300SC (100Mb)
£50
.

I've got a couple of gigabit fibres linking all the switches, one is only 50m but I still used fibre - 'tis a no brainer cost wise.

now will you put those darn wireless routers in the bin please... ?
:-)
 
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Fibre over those distances isnt quite as easy as you may think. You have to be very careful with the radius on bends. Unless it is literally a straight run type intallation you need to survey and plan your cable routing carefully. If the run is between buildings I would recommend running the fibre in some form of conduit, joint welded 2.5 inch waste with a draw tape works very well as it maked it easy to draw the fibre through and offers a degree of damage protectiion from external sources.
 
thank you everyone. appreciated very much. my guys are gonna get back to me with a site survey:)
 
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