Re: [clug] USB ADSL2+ modem?

On 23/12/16 13:55, Bob Edwards wrote:
> On 23/12/16 08:31, Rodney Peters wrote:
>>
>>
>> On 20/12/16 12:13, Bob Edwards wrote:
>>> A new thread...
>>>
>>> I realise that ADSL/ADSL2/ADSL2+ has higher voltage requirements
>>> than can generally be met by USB/USB2/USB3, but not sure if that
>>> isn't a solvable problem that might already have been solved?
>>>
>>> I can't find anything on the interwebs that gives me much 
>>> encouragement.
>>>
>>> Ideally, I would like to power my (bare/bridge) ADSL2+ modem from
>>> my laptop's power supply/battery and the obvious way to do that would
>>> be to use a USB-based modem.
>>>
>>> My (Linux) laptop would then do the rest and I can (trivially?) keep
>>> it patched etc. and keep a closer eye on what is really going back and
>>> forth on the ADSL connection...
>>>
>>> Anybody got any thoughts or recommendations?
>>>
>>> cheers,
>>>
>>> Bob Edwards.
>>>
>> Hi Bob,
>>
>> I have used a TP Link 8817 ADSL2+ modem.  This is a physically compact
>> job that requires 5V @ 1A.  Can't say I have powered it from USB, but
>> would be feasible.
>>
>> It has alternate USB/RJ45 outlets for LAN side.  The USB connection does
>> work directly with Linux (cdc_ether module), when using external power
>> supply.  You could try a USB Y cable to deliver the power or simply rig
>> up a dedicated power cable - USB A male to the small DC socket it has.
>>
>> Main limitation is the USB 1.1 interface of 12 Mb/s max.  If you have
>> that actual bandwidth, then half your luck.
>>
>> I have listed it under DSL Modems (none Ethernet) at:
>>
>> http://wiki.ipfire.org/en/hardware/networking
>>
>> Cheers,
>>
>> Rod
>>
>>
>
> Thanks for that tip, Rod. Pity the USB is only 1.1, otherwise I could
> use it, I think...
>
> Thanks to all the others for other good tips.
>
> I'll keep looking at options - probably get a solution going just in
> time for the NBN monopoly to disconnect my ADSL line...
>
> cheers,
>
> Bob Edwards.
>
>
Yes - we all hope to live long.  My suburb does not make it onto NBN's 3 
yr plan.  Perhaps a takeover by China would at least get us on a 5 yr plan ?

Rod

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