Poll: Do you run the cables and terminate them?

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Wireless Networks Thread, Should we/you run network cables? in Technical; whoops... forgot to mention it, but I did speak to the county said although technically I could do it, the ...
  1. #31
    tarquel's Avatar
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    Re: [Urgent] Should we/you run network cables?

    whoops...

    forgot to mention it, but I did speak to the county said although technically I could do it, the school would be covered but *I* wouldn't be [as i dont have the needed training & insurance, nor the H&S course].

    They then suggested I speak to the union so i rang them...

    The guy said that although he didnt quite understand what was required and so on - not a IT minded guy i assume - he agreed with the county in that I wouldnt be covered, dependant on the height, and so on of the job, that there could be serious troubles if I did do it [let alone if anything happened afterwards] and suggested i speak to the county H&S ppl...

    which i did - they said the same and I explained the situation again. The woman was very nivce about and pretty much voiced what the others had said. She even wanted to come down and see the job in question, but I said it was ok for the minute as the management didnt (at the time) know anything about this.

    I fell a bit underhand but I was only trying to check whether it was legal for me to do it or not.

    Anyhow, on monday I told the head (the ICT co-ordinator wasnt in) and she was fine about it. Asked me if i could get the quotes and so on which I did and today I had similar quotes of around the 1.5k mark which I know the head will say no to (having said no to the one I got on monday).

    There is a single cat5 link in there so I guess its gonna be a case of a switch [in the cab] to switch [in the target room] job and I'll cable internally.

    Unfortunately tho, the ICT co-ordinator came back today and was fuming - had a go at a few people but didnt say anything to me about it oddly.

    I've been a nervous wreck all day [i say jokingly but its also true lol]

    Any thoughts?

    With this part of the school being at the end of the network, I wonder how well it will perform running 12 PC's (+PS's) through this cat5 cable into another switch. Works ok near the server [with the computer room connecting like this to the switch with the server on it] in the same sort of config - but after a few hops down the line, i wonder if it'll be slow or not :S

    Still, looks like the only option really

    Still gonna cost tho as the switch that the room is connecting to is currently only a hub!! lol So another switch will be needed here methinks.

    I'm gonna down half a bottle of whiskey so i can sleep tonight lmao [not really of course]

    Nath.

  2. #32

    russdev's Avatar
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    Re: [Urgent] Should we/you run network cables?

    but also nath you did write thing even if you end up doing it and and i would try and do anything in power to not see if can find cheaper quotes...

    You have shown ict-cord that now going to sit down and take the crap... welcome to game called politics.

    Also if doing internal cable send the head a written letter saying that you do not recommend it and doing it under force and before any work is done that you will need a letter from them stating that she will take full reponsability for any damage, loss if life or liability in anyway or form.

    if need be draft letter and post here and we will help with it

    russ

  3. #33

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    Re: [Urgent] Should we/you run network cables?

    It'll be slower than they would like, but that's their fault! If they aren't going to pay for someone to come in and sort it out (given that you aren't allowed to do it) then the speed they get is the speed they get.

    Switch to switch is fine if you use gigabit ports to connect them and they in turn are connected to your central switch via gigabit (copper or fibre). When you say this room is "at the end of the network" it sounds like you have a "chain" of switches each connected by cat5 and that because this is the last link in that chain, it will be very slow. Is that how your LAN is configured?

    It might be better to move to a wheel and spokes kind of configuration, with your server room being your middle of the universe and your switches being the bodies that orbit that middle. That way each of those switches would be connected directly to your central switch and get dedicated bandwidth to farm out to your clients. If your switches have good backplane speed (can shift huge amounts of data across the ports at one time), then even better. We use the HP Procurve 2650 for that job, and a central "core" switch by HP (8000m) as the middle of the LAN universe. The 2650s then farm out to 2124s in some places (24 port switches).

    In Cisco terms, your middle of the universe would be your "Main Concentration" point, and your switch cupboards the "Horizontal Cross Connects" all connected via a "backbone or vertical cabling". Each building will connect to this MC via an IC (Intermediate Cross Connect) which in turn feeds the horizontal cross-connects to each room...if that makses sense.

    You might already have done this and I might (therefore) be rambling and looking stupid. Nothing new. It comes from working with those "professionals" in teaching ;-)

    Good luck with your task!

    Paul

  4. #34
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    Re: [Urgent] Should we/you run network cables?

    Do the math... 10 ports going down through 100mbit etc etc. and tell us the result. Depends on use as usual of course :P.

    Sounds a bit of a waste of time ultimately. Our Head of IT is doing the same himself, except he's just placing a switch on an existing port - 100mbit fibre > 24 port unmanaged cheap nasty switch > his cheap nasty 16 port switch > 6 ports used = 0.4mbit per port - slower than dialup LOL!

    He's just laying cable on top of desks. These are Art PC's meant for using fireworks, flash and web research. I'll get the blame for a poor performing network no doubt!!!

  5. #35

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    Re: [Urgent] Should we/you run network cables?

    You might as well try and use wireless for all the speed loss you have!

  6. #36
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    Re: [Urgent] Should we/you run network cables?

    just a quick temp post - gona try and draw up a map of the network to show u [its a old network sorta so placement where theres room is what its always been about - and will always be too, as moving the servers about and additional cabling aint gonna happen]

    check back later and i'll try and draw a map lol

    anyone got visio to hand? :P joke

    #Nath#

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    Re: [Urgent] Should we/you run network cables?

    i got visio 2003 lol

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    Re: [Urgent] Should we/you run network cables?

    Biggest argument for not doing cabling is that you get a 25 year warranty on the cabling if it is installed and tested by an approved installer.
    Personally, I would never put in network cabling as it would not be certified.

    Note that if you run it yourself and it is not fully tested (you need a full set of results from something like a Fluke tester) not just a yes/no test from a cable tester, then it cannot be considered to be Cat5e, even if you have used Cat5e components. The standard includes lots of detail about how the wiring is laid, terminated and the tolerances allowed on testing.

    I can guarentee that you will get problems if you do your own cabling - although you may never pin them down to the cables unless you test them...

  9. #39

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    Re: [Urgent] Should we/you run network cables?

    Quote Originally Posted by tarquel
    just a quick temp post - gona try and draw up a map of the network to show u [its a old network sorta so placement where theres room is what its always been about - and will always be too, as moving the servers about and additional cabling aint gonna happen]

    check back later and i'll try and draw a map lol

    anyone got visio to hand? :P joke

    #Nath#
    no but have look at dia free visio type program...

    russ

  10. #40

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    Re: [Urgent] Should we/you run network cables?

    Dia is really good- highly recommend it. When studying my HNC I needed Visio (and couldn't afford it) so I used Dia on Linux and it worked a treat ;-)

    Paul

  11. #41

    russdev's Avatar
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    Re: [Urgent] Should we/you run network cables?

    using dia on windows to start mapping my network here

    Russ

  12. #42

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    Re: [Urgent] Should we/you run network cables?

    Mmmmmm...that's a good idea Russ, because I *still* can't afford Vision and I *really* need to map our network...

    uh oh...brainwave...

    :-)

    Paul

  13. #43
    mark's Avatar
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    Re: [Urgent] Should we/you run network cables?

    Butt ugly though!!! :P

    Now if only this were a LOT more complex... http://www.kingfetty.com/

  14. #44

    russdev's Avatar
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    Re: [Urgent] Should we/you run network cables?

    also try this one as well http://www.networknotepad.com/

    Russ

  15. #45

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    Re: [Urgent] Should we/you run network cables?

    Networknotepad looks really good actually- I think I might give it a go..

    Thanks Russ!!

    Paul

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