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yoda
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Networking
Jun 13th, 2005, 1:00pm
 
Hi chaps ,i was wondering if anyone on here could help me out.Im doing some electrical work for a customer(student accomadation)but hes asked for internet connections in every bedroom and lounge, a total of 10 rooms.Hes not got a current internet service and wants me to install the networking from each room down to a central point in the cellar.So my question is what equipment will i require and is it easy to install/setup and what price would you suggest for this part of the job,any input would be appreciated,thanks.
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plugwash
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Re: Networking
Reply #1 - Jun 13th, 2005, 2:56pm
 
there are two sides to a job like this.

1: installing the cable
2: installing and setting up the internet kit

installing the cable should be pretty easy just run cat5 utp to each of the sockets and punch it down to the sockets (just like phone cable really) at the other end you can either punch it down to a patch panel or fit rj45 plugs to the end to plug directly into the network equipment (you will need a special crimp tool for this).

now for the internet connection part. whilst it may be possible to do such a setup with a modem its not something i would reccomend so you will wan't either adsl or cable. (lead time on this kind of thing is generally measured in weeks so order this early)

with adsl the easiest option is to buy a router with dsl modem built in. with cable you have to buy a router thats ethernet-ethernet and plug it into the cable modem supplied by the cable company.

home routers are unlikely to have 10 ports on the lan side so you will probablly want to connect it to say 8 port network switch to give you the 10 ports you need (4 lan ports on router 8 on switch 1 port on each used to connect them so that gives you 10 ports total) .

in the case of adsl all phones on that line will have to be connected though a filter (you can have multiple phones on one filter or one filter for all phones whatever is easiest to wire). in the case of cable the cableco should sort out all the wiring for thier side of the modem.
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yoda
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Re: Networking
Reply #2 - Jun 13th, 2005, 3:12pm
 
thanks for the reply plugwash,just wondering if any of the equipment you mentioned on the internet connection side is suitable for fixing to the wall of the cellar or will i have to provide some sort of enclosure.the connection will be broadband cable so the ethernet router and network switch will be my path,any suggestions of make,are the ones that screwfix sell, suitable/any good?
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plugwash
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Re: Networking
Reply #3 - Jun 13th, 2005, 3:36pm
 
some routers and switches can be wall mounted but your best bet is probablly to make or buy a small lockable cupboard to put the equipment in.

the last ethernet-ethernet router i bought was the following model and it seems to have been quite stable.
http://www.dabs.com/uk/channels/hardware/networking/productView.htm?quicklinx=24...

switches are a pretty dumb peice of hardware and therefore brand isn't so important the following one looks ok
http://www.dabs.com/uk/channels/hardware/networking/productView.htm?quicklinx=2J...
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yoda
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Re: Networking
Reply #4 - Jun 13th, 2005, 3:48pm
 
once again thanks for the input plugwash,it seems to be an easier exercise than i first thought,kind regards jk
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Lurch
Re: Networking
Reply #5 - Jun 13th, 2005, 8:18pm
 
For the lockable cupboard bit I would use a proper data cabinet. A full size 19" cabinet would probably be a bit OTT for this job so I usually use a mini lan cabinet from CEF. They come as lockable and you can fit a 12 way patch panel for the cables from the rooms to terminate into and also put the router in there.

For the filtering I would be inclined to fit a faceplate filter which replaces the lower half of the newer type BT master socket with the removable lower half. This will filter all extensions from one non-removable point so individual filters aren't likely to be unplugged\bypassed\nicked.

You'll want to either place a network point next to the NTE (master socket) to run the ADSL down to the cellar from there or have the NTE fitted in the cellar out of the way altogether.

The newer faceplate filters will take a RJ45 plug so you can just patch a normal cat5 patch lead between the ADSL side and the adjecant network socket to present the ADSL on one of the ports on the cabinet downstairs.

As for setting up the router, should be pretty easy but if you've not done this before I'd recommend you avoid this part of the job as it could lead to trouble further down the line when something gets altered or it just doesn't work for some reason.

As for price, I normally price per point when installing 100's of points in an office but for the domestic job when I'm just installing a few sockets then I usually just price as I normally would, i.e. work out materials and time.
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yoda
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Re: Networking
Reply #6 - Jun 13th, 2005, 9:00pm
 
thanks for the reply lurch,am i right in thinking that if the internet connection is going to be broadband cable ,the asdl and filters wont apply as they are for dial up.
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scotspark
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Re: Networking
Reply #7 - Jun 13th, 2005, 9:07pm
 
broadband is adsl so the filters do apply Smiley
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Lurch
Re: Networking
Reply #8 - Jun 13th, 2005, 9:08pm
 
Wrong way round, the filters are for ADSL (broadband), you don't need them for dial-up. Wink

What the filters do is filter the high frequency out from the analogues devices. The main line comes into the house and each and every analogue device, (phones, digiboxes, intruder alarms, faxes etc...), needs a filter between it and the incoming line.

As mentioned above, there are 2 ways of doing it, either at each individual point at which a device is plugged in or centrally at the NTE so all extension wiring after it is filtered, so thus all devices are filtered from a fixed unit rather than having loads of dangly bits everywhere.

The ADSL mosem doesn't need a filter and is connected directly to the incoming line. Most people use the filters to connect the ADSL modem to the line as it also incorporates the BT plug to RJ11 socket adaptor required for the RJ11 - RJ11 lead supplied with the modem. I usually make all my leads custom to the situation rather than usoing adapters.

If the ADSL modem is the only thing on the line then no filters are required.

EDIT: Having said that, there are 3 types of internet connection commonly used in the UK, dial-up, ADSL broadband and cable broadband.

The filters are to be used when ADSL broadband is supplied, i.e. broadband via a BT line.

They are not required when using dial-up or cable broadband as dial-up uses an analogue device, (modem), and cable broadband is supplied as a seperate service to the phone line.

The filters are used on ADSL as the different services are supplied over one pair of cables so different frequencies are used and the filters seperate these frequencies so that the ADSL doesn't affect the phones.

[quote author=scotspark  link=1118664058/0#7 date=1118693250]broadband is adsl so the filters do apply Smiley [/quote]

Technically not, broadband can be ADSL or cable.
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« Last Edit: Jun 13th, 2005, 9:14pm by Lurch »  
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scotspark
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Re: Networking
Reply #9 - Jun 13th, 2005, 9:22pm
 
well I didn't want to get to technical as I'd only make an **** of myself by getting something wrong.

round here its only adsl no cable available Angry Sad

but hands up Embarrassed
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yoda
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Re: Networking
Reply #10 - Jun 13th, 2005, 9:25pm
 
Once again thanks for the info guys been very helpful,this was not a direction i wanted to just yet,but i suppose that i will get asked more and more so nows the time to learn.if you dont  mind lurch ,could you donate just one more post,and list the equipment that i need to source(cos you sound like you have done this before,no disrespect to plugwash as he sounded very knowledgable as well).i've been informed that the internet connection will be ntl broadband (so cable).
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Lurch
Re: Networking
Reply #11 - Jun 13th, 2005, 9:55pm
 
By 'equipment' depends how far you are going and what you want me to list. The wiring is fairly simple. Something along the lines of;

    1 box of cat5e cable (305m).
    Cat5e outlets as required (fit to standard 25mm socket boxes).
    1 mini lan cabinet.
    Patch panels as required for cabinet.
    Mini 10\100 switch(es) to link all points together.
    0.5m or shorter patch leads for panels to switch.

Think that's about it really, it is pretty easy once you get the hang of it, you just need to take care when installing it not to kink the cables and to keep to the bending radius, and make a tidy job of the terminating and dressing in the cabinet.
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yoda
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Re: Networking
Reply #12 - Jun 13th, 2005, 10:03pm
 
cheers for taking the time mate ,im doing the job  week after next, alongside the rewire im doing so if ive got time ill re post and let you how your advice worked in practice ,but i quite confident.thanks JK.
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CWatters
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Re: Networking
Reply #13 - Jun 13th, 2005, 10:33pm
 
If NTL provide a cable modem (or similar box) with a LAN port to connect to then the list Lurch gave looks right to me... except..

That assumes the owner has a told NTL he's sharing the internet connection and will be billed accordingly (he probably has). Watch out for people who intend sharing a single domestic Internet connection (like I do). They might be better of using a Router in the lan cabinet.

Some sites might ask for wireless access point so they they can charge visitors for access use (eg coffee shop) Thats a whole different game.

Will the students also want cable TV in their room?

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Lurch
Re: Networking
Reply #14 - Jun 13th, 2005, 10:44pm
 
[quote author=CWatters  link=1118664058/0#13 date=1118698384]That assumes the owner has a told NTL he's sharing the internet connection and will be billed accordingly (he probably has). Watch out for people who intend sharing a single domestic Internet connection (like I do). They might be better of using a Router in the lan cabinet. [/quote]
Yes, my list assumes you will leave the setting up of the actual connection to someone else and that they will provide a router. The list will just get a single network connection in each room connected to a network point in the cab for someone else to plug a router into.

Another thing to consider is how trusting will these students be of each other? Connecting directly to a central switch like this will leave any security holes in anyones laptops\pc's open to abuse from others on the netwok. To secure each of the points from each other will require some serious cash being outlayed on managed switches\vlans etc... If this is a concern then I'd not bother with the 10\100 switches as you're then sort of liable as you connected the points together.

Also, as above, avoiding the setting up of the connection means that it's not you that could get fingers pointed at if\when the ISP decides that the bill payer is in breach of contract.
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Re: Networking
Reply #15 - Jun 13th, 2005, 10:46pm
 
maybe you can get packages hat give you multiple ips on a single cablemodem but i've never heared of them

so as i said you need a router. you will also need a switch as the lan side of almost all domestic routers will not have 10 ports.
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CWatters
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Re: Networking
Reply #16 - Jun 14th, 2005, 8:58am
 
[quote author=plugwash  link=1118664058/15#15 date=1118699160]maybe you can get packages hat give you multiple ips on a single cablemodem but i've never heared of them. [/quote]

Yes they are quite common. Some ISP still recommend home users install a switch/hub and allocate multiple IP's so they can charge for multiple accounts! But I agree a Router is a much better way to go for security and performance reasons. If you use a switch/hub you risk Windows broadcasting the existance of shared folders and shared printers to your neighbours.

The main problem with a router is who looks after it in a shared block of flats or similar. Some ISP (including NTL)will provide a Cisco router with as many ports as you need and manage it for you if you get the right business package.


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« Last Edit: Jun 14th, 2005, 8:58am by CWatters »  
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