Re: WiFi ADSL Modem Router thingy as a Router for a Cable Modem?



pmj <post@xxxxxxxxxxxxxxxxxxxxx> wrote:

> I have a Q which may sound a bit silly...
>
> & it may well have an obvious answer, but I want to find out *before*
> I buy one...
>
> I wondered if anybody in here might be able to Help?...
>
> I've Set up quite a few Systems for people who have an ADSL Broadband
> Internet Connection, using a normal, standard BT ADSL-Enabled Phone
> Line & they use a WiFi ADSL Modem Router thingy - such as one of the
> Belkin ones or DLink, 3Com, NetGear or whatever, to get the Internet
> Connection to the other computers...
>
> I assume that the *Router* part of them can be used as a ordinary
> Router - WiFi or Ethernet - but with a *Cable* Modem, as the Internet
> Connection, rather than using the built-in ADSL Modem part for the
> Internet Connection.
>
> Am I right in that assumption?
>
> Is it just a question of turning off the ADSL Modem part (or just
> not Connecting a Phone Line to it)?
>
> & just bunging the Cable Modem Connection (Ethernet) into it
> & then plugging the other Computers into the other Ethernet Ports,
> (or Connecting them to it via the WiFi stuff)?
>
> The reason I ask is that I have a (Telewest) Cable Modem & I'm thinking
> of getting a WiFi Router to use with it, (since this New Fancy Flash
> Medion PC that I have has a WiFi thingy in it), but since a WiFi Router
> with an ADSL Modem in it is not much more expensive than just a WiFi
> Router, I thought I'd get one of those, then if I ever decided to ditch
> the Telewest Line & get a BT Line I could then use the same thing for
> an ADSL Connection.

I speak here from my own experience with the Belkin kit I use.

The WAP without ADSL router has one ethernet port which connects to the
ADSL router. There are no other connections apart from power.
The WAP with ADSL router built in has 4 ethernet ports plus the
telephone line out.
Now I have no idea if one of those 4 ports could be used to connect to
your cable box, I see no reason why not.
But what I do not know is if it will feed anything to and from the box
as it's designed to feed that signal to and from the built in router.
My guess is it will see the cable modem as just another computer on the
network complete with ip address, but will it share the internet
connection?

I don't think this is the right place for you to be asking this
question. And I'm not about to start pulling my network apart to run any
tests :-)

Save money, buy a cheap WAP. In the long term this stuff will only get
cheaper anyway.

BTW just to get the terminology correct
1. ADSL modem is not a modem it's a router. Only the cheap and nasty USB
jobs ISP's give away can be called modems.
2. The WiFi 'thingy' is a Wireless Access Point not a router.

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