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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Is there a limit to the number of 10G copper SFP modules one can use in a switch?
I'm shopping for a new 10G ethernet switch for home, for copper ports.
The majority have SFP ports and lack RJ45 ports for copper. I understand this provides flexibility but I only need UTP/Copper to ...
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UTP 6A cable with FTP 6A connector
Can I use cat. 6A FTP connector with cat. 6A UTP cable? I've already bought UTP cable but i cannot find 6A UTP connectors, only FTP. Will it work or will it generate some interferences?
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What is an Ethernet Network Switch Port
I am trying to understand what an Ethernet Switch internally considers a single port.
My current understanding is that when a seller advertises an Ethernet Network Switch, like the one below, has five ...
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Why is a PoE circuit limited to 328 feet?
I'm trying to learn about PoE and a friend told me the 100 meter limitation on a PoE circuit is because of the DC voltage drop on the power channel, not the data. I had understood the opposite, that ...
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Does 10BASE-T contain four wire pairs or two-wire pairs and why is it if it's four wire pairs?
As far as I know, 10BASE-T and 100BASE-T (types of UTP) use two pairs of wires, while 1000BASE-T has four pairs of wires.
But when I look up the photo of 10BASE-T on google, it indeed contains four ...
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Calculating stranded and solid cable length (for 22AWG)
Reading up on how to calculate cable lengths as a follow-up to my previous question, I understand that you have to use (102-H)/(1+D) to calculated the stranded length (C) and H+C to calculate the ...
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Copper or Glass for Low Latency?
I'd like to preface the main content of this post with the following: I understand this question may be equally suited to the Physics Stack Exchange, and so I have posted on there as well, but maybe a ...
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Multiple virtual UTP cables over one physical?
Say there is a physical UTP cable running from point A to point B.
At A there are two physically isolated devices, a1 and a2, each running their own network and unaware of each other's existence.
So ...
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UTP 1236 wiring [closed]
can someone tell why UTP 10/100 is wired 1236? why not 1234, 3456, 5678? (i know that on old adapters only 1236 pins were connected)
which was the rationale of 1236?
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How exactly does an Ethernet collision happen in the cable, since nodes use different circuits for Tx and Rx?
I am trying to understand how a collision occurs in Ethernet, especially when a duplex mismatch exists or when on a legacy Ethernet network two nodes transmit simultaneously.
Everyone explains the ...
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What is the difference between Ethernet types, considering bandwidth?
Different types of Ethernet (standard Ethernet, Fast Ethernet, Gigabit Ethernet) have different speed of data transfer (10 Mbit, 100 Mbit, 1 Gbit). Why is that?
On the physical layer, the speed of ...
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A reason why Ethernet has maximum cable length confuses me
The answer in this post suggests that it has two reasons.
While the impedance characteristics of a transmission line become less
favorable for high speed data as the line gets longer (resistance ...
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What is this thread-like material on this Cat6 U/UTP cable?
Does anyone know what this thread-like material to the right on the picture is?
Does it have anything to do with grounding?
It is a Cat6 U/UTP cable.
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What type of Cat5e cable is this?
I am a fairly new networker and today I was terminating some cable at a gas station that is being built. The network cable that had been run from the gas pumps to the wiring closet confused the crap ...
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How to avoid cable crosstalk?
I have 4 ADSL UTP cables.
How much distance do I need to leave between cables to avoid crosstalk?
