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Posted by Bill M. on August 13, 2007, 10:41 pm
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On Mon, 13 Aug 2007 21:49:26 -0400, Ken Whiton
>*-* On Mon, 13 Aug 2007 04:18:01 GMT,
>*-* In Article fomvb39k0ndfkbnfj7qc2k538h4oefb028@4ax.com,
>*-* Bill M. wrote
>*-* About Re: USB connection to cable modem with no NIC
>
>> On Mon, 13 Aug 2007 02:39:23 -0000, brianberns@gmail.com wrote:
>
>>> I have an RCA cable modem (model DCM 425) that is working fine
>>> (using it now to post this message).
>
>>> The back of the modem has a USB outlet. I have an old computer with
>>> no NIC that I would like to connect to the Internet. I connected
>>> the computer to the modem via a USB cable and installed the modem's
>>> drivers, but I am unable to get any response from the network this
>>> way. The computer is not even assigned an IP address.
>
>>> Do I need a NIC installed in order to connect via USB to the modem?
>>> I know I need a NIC for Ethernet, but I thought that the USB
>>> drivers would suffice with no NIC. What am I doing wrong?
>
> Do you have the modem manual? The Table of Contents lists a "USB
>Troubleshooting" section, but that's missing from the copies of it I
>can find online. :-( You might also want to check here:
>
>http://helpdesk.powergate.ca/index.php?id=19
>
>and see if the drivers they have available for download might be newer
>than what you have.
>
>> I would have been surprised if the RCA modem's Ethernet port and USB
>> port would both have worked at the same time.
>
> According to the manual they're supposed to be able to, allowing
>the connection of two computers to the 'Net without the use of a
>hub/switch/router.
Here's the manual, or at least the best one I could find.
http://media2.comcast.net/anon.comcastonline2/support/help/manuals/RCA_DCM425.pdf
According to that, both USB and Ethernet ports _can_ be connected at
the same time, but only "if allowed by the cable operator", which sort
of tells me that this person's account is only allowed a single IP at
a time since the second PC doesn't obtain an IP address. If true, I'm
repeating my original advice to simply add a router and connect both
PC's to it. Problem solved.
--
Bill
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