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I need to know the effective distance of Category 5 wire. I have two buildings that need to be networked that are 200 hundred feet apart. Is this too far? What kind of performance will the network have at this distance?
Thank you for your help.
by tzapf
Well i've been working in IT since six years now
we don't say that we know every thing in networking but really the MAX distance of CAT5 Cables will not exceed 95meters
when you are using those
Cisco Max 100m
INTEL MAX 100m
3COM Max 85m
nortel 85m
any other ethernet SWITCHES are really will not pass 72m
i've been using all most all kinds of ethernet switches, Hubs & routers the best are
CISCO
INTEL
LUCENT
NORTEL
3COM
& forget about edimax & all those cheap things
by ayoshi
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by gduffala
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You will not have any problem in connecting two network through the CAT5 cable at a 100 Meter distance.
In case the distance is more than 100 meter, you will have to use repeaters.
also make sure that your cable is away from any sort of physical damage, and is kept at a distance from power conducting cables and strong magnetic and/or electric field.
Hope this help.
that was physical networking ,in logically networking you will have to consider other things as well.
by tomsal
I must agree with gduffala. If the buildings are 200 feet apart, the much improved solution would be running fiber and not cat 5.
(You'll also not have to worry about sacrificing any bandwidth with a fiber installation, the major factor though isthat fiber installations aren't cheap)
by tomsal
I must agree with gduffala. If the buildings are 200 feet apart, the much improved solution would be running fiber and not cat 5.
(You'll also not have to worry about sacrificing any bandwidth with a fiber installation, the major factor though isthat fiber installations aren't cheap)
by davidpmartin
As long as you are within the 328 ft (100 meter) range, Cat 5 is the way to go. One of the fiber advocates was worried about voltage potential different between the two buildings - and there is a point made - but the way you fix that is to make sureboth buildings are properly grounded - that's a no brainer. Also there is some concern that if you are running the CAT 5 cables up in the air between buildings you are creating a large lighting rod - but you can solve that by again ensuring you have good grounds or that you run the CAT 5 under the road.
Why am I so anti-fiber? If you don't need it for distance, don't use it because the maintenance cost of fiber is much higher than CAT 5. Almost anyone can learn how to put ends on CAT 5 cabling, but for fiber - well the ends are very expensive compared to CAT 5, the fiber cable is much more expensive, and unless you are willing to invest 5K or more in training/polishing tools - it's not worth the time. For many, many reasons, CAT 5 is the better choice.
by llaw
Since nobody mention wireless, I will.
If you are afraid of interbuilding potential diff or building code/urban code violations, consider this:
It will cost much less than fibre and it is reusable once you have something hard installed. The problem is, off the shelf wireless equipmentis 11Mb (Direct Sequencing 2.4GHz, licence free) and operate well within 15 miles. The two networks will have a sort of "workgroup bridge" on each side and an antenna near the window (or roof). It is evenexpandible one day you have a third building to link! Initial cost should be less than 5K.
by davidpmartin
by munroe
Hey, he want's to connect 2 buildings..200 feet apart. Why would anyone spend 5k to do this?
Cat 5 will work just fine, and give him up to
100MB/s transmission vs 11MB/s using wireless.
As for cost, a 1000 foot roll of Cat 5 cable is less than 100$, the ends are penny's each. Grounding is a must, but let's look at the cost.. there is no option if your looking for low cost, easy install
by llaw
The whole idea of this discussion forum is to throw out options, irrespective of what is more suitable, from a particular point of view. How do you know the problem owner does not have the budget or the interest for this option. They have already mentioned the factors of grounding and building codes, which nobody can technically solve, if it ever arise - in which case, cat5 is totally out. Let's be moderate and have a peaceful discussion.
Meantime, I am looking for a webpage for IEEE 802.11/B security review for someone interested. (if you can search for 802.11/B, e.g. Lucent, 3COM, Breezecom...)
regards and happy discussion...
by robotech
This discussion obviously ended a long time ago.
But now, just as well as then, I can say: If you're going to dig up the road, run fiber (probably a cable with six strands, three pairs). People never usually run one Cat5 Cable under ground anyway. Then how much is it going to cost to put protection on the lines, grounding etc.
Even then, a direct lightning hit will still cause damage. A fiber run might be expensive initially, but what about the long term costs?
I can see the UPS truck backing into the driveway now with 100 replacement PCs and two severs.
I just qoted a fiber run for a customer and it's going to cost just under $2500.00, much better than the dead slow 'grounded' CAT5 run which refuses to operate at 10Mbps.
PS - The distance is only 80 to 100ft Max.
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