Questions tagged [utp]

For questions about Unshielded twisted pair (UTP) cabling, where it should always be in relation to networking in general.

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votes
3answers
10k views

How to create Ethernet cables when I cannot figure out color of cat 5e cable wires?

I'm learning how to make my own Ethernet cables (to get deep understanding of Cisco for their exams), but the cables I am getting have small wires whose colors I cannot distinguish. A person in my ...
2
votes
2answers
526 views

Only 100Base-TX full-duplex over a 25m CAT 5e cable

I have a 25m CAT 5e cable and I'm trying to connect to a router. The connection obtained is always 100Base-TX full-duplex, it never reaches 1000Base-T. What can be the problem? As long as it says it's ...
3
votes
1answer
375 views

Why Do RJ45 jacks/plugs require multiple incoming and outgoing wires to work?

I Hope I'm at the right place. I am trying to figure out why RJ45 jacks and plugs require 2 incoming wires and 2 outgoing wires to work. Why is just 1 incoming and 1 outgoing not enough? IS there a ...
3
votes
5answers
585 views

Is it possible to reliably transfer data faster than 1 Gbit/s over Cat 5e cable?

Given the requirements that a standard Cat 5e cable must live up to, is it possible to transfer data over it faster than the 1 Gbit for maximum 100 meters of cable for 1000BASE-T? My old ADSL line ...
15
votes
5answers
96k views

What's the difference between an Ethernet cable and a UTP cable?

Is there such a thing as an Ethernet cable or technically no? Are they actually called UTP cables? From wikipedia UTP cables are found in many Ethernet networks and telephone systems.
1
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1answer
358 views

Will cutting a 50m CAT6 cable in half achieve a gigabit connection?

I have a new CAT6 cable that's 50 metres long and only performs at 100 megabit. I've tested it in a variety of gigabit ports and it never allows a gigabit connection. Is it the length that's the ...
6
votes
3answers
2k views

Ethernet Cable Orientation

I'm in an A+ course and was just working on wiring Ethernet cables. I was wondering, will an Ethernet cable function if the wires are reversed? Say instead of wiring 568B like striped orange, orange, ...
5
votes
1answer
12k views

How to repair a break in a long Cat-5e cable run

I have a long run of Cat5e which is broken at about 20' from one end. Replacing the entire cable isn't an option, as it's fairly long and is going through walls and such. Searching this on google ...
1
vote
1answer
197 views

Externally Rated - CAT Cables - how to tell

How can you tell a CAT6 cable is externally rated? It is a requirement for a project I'm working on. Many thanks, Vlad
9
votes
2answers
728 views

Multi-drop Cat5e/6 Cable?

I'm looking to install ethernet ports in a small business. There are 7-8 groups of cubicles each with 4 desks. Ideally I'd like to run a cable to each desk but if my math is correct I'm looking at ...
1
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5answers
213 views

Is it common for rackmountable servers to have fibroptic input and output? or is it cat 5 and you have to convert after?

If the switching hub is in the floor above the server, I've heard its best to use fibre-optic cabling to avoid interference from unrelated electrical cabling in the ceiling for lights etc... Is it ...

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