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Dec 13, 2001, 3:41pm

Hi where could I buy a cable modem, evry store I go to only sells dial ups
and network cards.
Web sites I go to don't list them at something to buy.
bestbuy
walmart
currcit city
Just to name a few, don't sell them least not in my area.
lot good it will do if i get one anyway due to cable internet is not in my
area yet.
sigh... maby some day it will.....
Its all up to AT&T or Verizon, one of them has to pay big money to lay out
the new wireing into my area.
Why they cant just use the normal CATV lines?
They did it once with Sega Channel for thouse who remember that, it went
over the CATV.

Dec 13, 2001, 4:43pm

[View Quote] Because to have access to Cable Internet, you have to subscribe through your cable company...

> Why they cant just use the normal CATV lines?

Data has to travel in two directions for the internet. Regular cable lines are one-way.

-Agent1

Dec 13, 2001, 5:15pm

Well gee I was hopeing to be able to connect myself up, you know to be my
own little privet ISP lol


[View Quote]

Dec 13, 2001, 5:32pm

*cough*pirate*cough*

Even if you got a modem...it still needs to be activated by your ISP. Plus
you'll have a dynamic IP and be easier to track.

Not to mention sharing bandwidth with everyone else in your neighborhood
(hope you don't have any people who like to download 400MB files while
downloading MP3s and surfing the internet in 4 browsers!)
[View Quote]

Dec 13, 2001, 5:50pm

And proberly illegal into to it


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Dec 13, 2001, 5:58pm

well thats how my ISP started out, in a house only ISPing for friends, now
they are the best in my area.


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Dec 13, 2001, 6:17pm

They had to pay for access to. They have to pay a phone company or other
for the OC lines for your area now.. but they limit bandwidth so they can
make a profit. Cable lines can get up to 10 mbps if you let them maybe even
higher.

--Bowen--

[View Quote]

Dec 16, 2001, 9:04pm

Cable connections don't need a modem. Calling those cable modems is an error...

Fox Mc Cloud

Dec 16, 2001, 9:34pm

Well what do you call them? Everyone I know on this planet calls them cable
modems :-P



[View Quote]

Dec 16, 2001, 9:36pm

he means cable internet doofus :)

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Dec 16, 2001, 9:41pm

its still a modem lol


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Dec 16, 2001, 10:20pm

LoL You still need a modem to use the Coax line.. unless there's some sort
of way I can plug that into my cat5 hole ;) might be a tight fit though.
www.surfboard.com if you don't believe me though!

--Bowen--

[View Quote]

Dec 16, 2001, 10:29pm

Coaxial cable is analog, right? Ethernet digital?
MOdulator-DEModulator... may not be technically correct, but what else should we call it that people won't get confused about?

-Agent1

[View Quote]

Dec 16, 2001, 10:57pm

Coaxial cable is digital... every modern communication line is digital except phone lines, which is why you need to
MODulate/DEModulate as you said :)
Don't know the exact name of that device though, but it sure has nothing common with a modem... There's nothing to modulate when
you're on all-digital...

Fox Mc Cloud

"agent1" <Agent1 at my.activeworlds.com> a écrit dans le message news: 3c1d3c6f at server1.Activeworlds.com...
> Coaxial cable is analog, right? Ethernet digital?
> MOdulator-DEModulator... may not be technically correct, but what else should we call it that people won't get confused about?
>
> -Agent1

Dec 17, 2001, 2:15am

Thats also where the word modem was derived from
MODulate/DEModulate MODEM :-)
------ ------
Yes its true I did not make that up.
Was tought that in electronic class when we started on computers.


[View Quote]

Dec 17, 2001, 3:02pm

I have to correct on that one, sorry:
The signals to carry your digital datas throught the cable is on the 400 MHz range (download) and on the 50 MHz range (upload). THose frequencies carry your digital signals in a modulated FM signal which is demodulated by the head station and you cablemode depending on the direction. The cable modem is an EXACT analogue of the modems you use on the phone lines with the exception of the carrier frequency (the later uses the sound range for it)

HTH,
Andras

[View Quote]

Dec 17, 2001, 4:46pm

I did some research and found you were right... So, I'm stupid. lol
I also found there was quite a confusion on this subject... a lot of sites said there was no modulation/demodulation in cable
modems, but obviously all the more "serious" sites (university courses, cable service providers etc...) agree that cable modems are
indeed modems, my apologies for that :). What isn't modem is actually ISDN connections.

So, well, andras is right, as always. And I'll learn to check my information before posting. ;)

Fox Mc Cloud

"andras" <andras at andras.net> a écrit dans le message news: 3C1E2423.8F6099CE at andras.net...
> I have to correct on that one, sorry:
> The signals to carry your digital datas throught the cable is on the 400 MHz range (download) and on the 50 MHz range (upload).
THose frequencies carry your digital signals in a modulated FM signal which is demodulated by the head station and you cablemode
depending on the direction. The cable modem is an EXACT analogue of the modems you use on the phone lines with the exception of the
carrier frequency (the later uses the sound range for it)
>
> HTH,
> Andras

Dec 17, 2001, 4:52pm

ISDN connections are 100% digital, yes... you only need an ISDN adapter card

KAH

[View Quote]

Dec 17, 2001, 8:01pm

[View Quote] To shed some light in this conversation:
With the POT (Plain old Telephoe) you transmit analogue signals to the nearest phone switch where your sounds are converted to digital signal and transmitted to the destination. If the destination has only an analogue phone, the signals are converted back to sounds so you can hear it. The evolution lead us to the ISDN where the conversion is moved from the phone switch station to your phone equipment saving tremendous amount of processing power (on the provider side). The talks are now transmitted from your phone digitally!
Who are the winner of this game? Unfortunately again the phone company!!! You pay more for the ISDN connection (freeing up the phone company's analogue/digital converter unit:) and the phone provider can get rid of the expensive analogue/digital and D/A converter units :(

Anyhow - that was only a sidetrack of the original discussin - sorry about to be off topic :)

Andras

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