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cable modem

Posted on 2001-06-04
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Last Modified: 2013-12-28
Old Geezer again

ATT@home cable service is raising their price by 20%. In the notice I see that I am paying $10 a month rent for their modem.
Bleep them, I'll get my own modem.

What are the does and don'ts in installing your own cable modem. I currently have a Com 21 modem and an SMC USB ethernet converter.
Thanks
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Question by:leestj
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by:pbessman
ID: 6153372
Unfortunately, you need a Docsis compliant modem in order to get a modem of your own.  Unless you have a newer COM21 modem, yours is not DOCSIS compliant. I was doing installs for three years and depending on where you live you may or may not be able to buy one of your own.

I have a Surfboard, a Modem that was made by Motorola but marketed under the General Instruments(a well known cable equipment company)name.  I know that I can buy a Docsis modem at CompUSA.  They cost about 200.00 and if you will be keeping the service it is a good investment.
You can choose between the Motorola/General Instruments Surfboard, RCA makes a good one as do Toshiba and 3Com.

Once you get your modem you will need to bring it and your leased modem to your local AT&T office so they can add your modem to their inventory and take their modem off of your account.  I know it sounds weird, but they need it in their inventory in order for them to make it work.  Specifically they need the serial number and Mac address.  It is easier to just bring it in and when you return home all you will need to do is to hook the cables up to it, the RJ45, the coax and the power.  It may take a while to get it going but more than likely by taking it in to them the system will be looking for it by the time you get home.  You may want to give a call to 888-262-6300 for more info on whether or not your area supports customer owned modems.  Chances are if there is a Compusa or Computer Rennaissance in your area selling them you will be able to buy your own modem and have it supported.  Where I am in the Midwest those are the companies AT&T has chosen to sell modems for their customers.  You can get info on where to get one and how to get it set up if you call @Home.
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pbessman earned 100 total points
ID: 6153462
Keep the USB controller, you will need it for the new modem.  If you can get your hands on one you can get a 3Com that allows a direct USB connection to the modem itself.  They are pricey and there is no gain to having one brand over another when it comes to speed.  Being DOCSIS compliant is the important thing.  Most of these modems support at least 48, yes 48Mbps and while the speeds are not there yet at least you know what to look forward to in the future.;-)
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by:leestj
ID: 6160257
I had a very very difficult time deciding who should get the points. I found that ATT@home will send a tech to my house at no charge. ( I printed that statement out)
When I change over it will be to a direct USB, no converter needed.
Thanks to both of you.
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by:pbessman
ID: 6160456
It's just me, I'll divide the points up with myself.  Thanks!  I used to be one of those techs who would come out.  They used to charge for calls like that.  I guess that has changed with the price increase as well.

Good luck!
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Author Comment

by:leestj
ID: 6160676
Senility setting in(I knew it was coming)
Thanks to pbessman #1 and his twin pbessman #2
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