CAT6 & CAT5e MODEM?

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JJ1986

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Jan 27, 2015
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Hello everybody.. I have a standard Cable Modem that connected via Coaxial cable to the wall Cables plug, and from it, three Ethernet cables- one goes to the wireless router via CAT5e cable, and the two others connected via CAT6 cables to two other computers.. Lately i have many disconnections on my Modem, i.e. Limited or no connection at all is established via the Wireless, and limited connection sometimes via the wired CAT6 connection, when there's no internet connection at all, and the first power led light is on at the router, the second and third lights for up and down link is sometimes on sometimes blinking, and the @ [internet] led light is off of course. Does those disconnections has to do with the usage of different CATEGORIES cables?, i know there's frequencies and some more stuff.. i also changed my internet provider lately so i don't know if this is what cause the disconnections or the CAT things, but that would be helpful to eliminate or confirm that CAT diff thing so i could contact the IS...

Thanks ahead and have a nice day...
 
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bill001g

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Aug 9, 2012
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The speed the cables run makes no difference as long as they can go as fast as your router ports. If you have 1g ports both cable can 1g if you have 100m ports both cables can run 100m. The speed the data is going is controlled by the equipment not the cable.

Cat6 cable is not really any advantage for a home user but the "gotta have a bigger number" marketing guys are out in full force to get people to buy it. It does not hurt to have cat6 cable but it does not actually help.

Your setup is confusing and I suspect what you call a modem is actually a router since you can connect multiple devices.

If you get a failure of device connect directly to this "modem" then it is likely there is a issue with internet connection coming to your house. Since it affects multiple devices it is likely not one bad cable. You can of course swap them around but it likely will make no difference. There is a tiny chance a defective cable can cause strange issues but these are rare and normally it is someone who attempt to make their own cables and does not do a good job where you see it.

Still the symptoms you describe are must more likely a issue with connection to your house. You of course want to check the coax all the way to where it comes into the building even a slightly loose connection can cause massive issues.
 
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JJ1986

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Jan 27, 2015
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Hello and thanks for the detailed answer.. i actually wanted to mark the two answers as an answer but it wasn't let me to mark your good answer, please let me know if it's possible to remark the answers..

I wanted to ask you, Isn't it like a pipe of water for example, where you have the wider pipes it's guarantee the flow of the maximum possible "water"? i saw the cat 6 allow up to 10 GB of data flow, i have a 100 MB connection by my IS and the infrastructure provider, so i was thinking the CAT6 will guarantee better connecting based on this logic [that is a 100 times wider "pipe"].. Am i wrong?

And what do you mean the CAT6 is not an advantage to the home user? is it just good for Terra Bytes commercial servers? is it bad to a .1 GB connection?

Thanks again..
 
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bill001g

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Aug 9, 2012
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Cat6 can support 10g at short length but very technically you need to run cat6a to really have certified cable. Most times if you actually have 10g interfaces you can afford the costs to buy cat6a. Using cat6 cables instead of cat6a cable on short distance is mostly a matter of what works and what is certified to work. To use cat6 cable instead of cat6a in a certified installation you must actually test the cable with a meter.

So for a company that has the money to buy 10g interfaces they also want a certified cable installation. This means there is no cost advantage when you include the labor to test cat6 cable.

Pretty much there is no reason to buy cat6 cable. If you need 10g you will buy cat6a if you need 1g you will buy cat5e unless cat6 happens to be cheaper. Cat6 cable was invented for a 2 wire form of gigabit ethernet that was never adopted.

It is one of those does it work in most cases or can I guarantee it will work. I have used cat5e to connect 10g ports while configuring new equipment just to test but just because it works I would never put it in a production environment.

If we look at your water pipe example. Let say you get 10 gallons a minute out the faucet at your house. You buy a garden hose that is rated to run 10gallons a minute and it works fine. Now if you go get a fire hose and somehow hook it to the faucet you will still only get the 10 gallons a minute out the other end because the faucet can only put the water into the hose at that rate.

The cable is not constraining the data the port and the equipment is.

 
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