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what is the use of usb output on my cisco dpq2160 modem


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#1 abcd_1

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Posted 29 October 2011 - 03:05 AM

Hi

i am using a cisco dpq2160 modem provided by my ISP.

I have 2 questions.

1) there is an usb port in the modem. what is its use ?

2) the power adapter given uses AC power. But i am not able to use this modem , when there is a power cut. I dont want to purchase a ups.
But i want to power this modem using my laptop usb port and use it even when there is a power cut. So , when i go to the electrical shop,
what should i ask the guy for ? is called a usb to 2 point plug converter ?

guys please help me with this

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#2 jhayz

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Posted 29 October 2011 - 09:52 PM

Page 15 to 16 - http://www.cisco.com/web/consumer/support/userguides2/4028103-new.pdf

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#3 Platypus

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Posted 29 October 2011 - 10:06 PM

i want to power this modem using my laptop usb port

You aren't going to be able to do that.

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#4 abcd_1

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Posted 30 October 2011 - 12:40 AM

Hi jhayz,

Thanks for your reply. I have already seen the manual, but could not follow it. Hence i have posted this question on this forum.

Does it mean that, instead of using the ethernet cable , can i use the usb port to fetch internet from the modem ?

if yes, i have 2 more questions because i was not given the cable for usb. If i have to buy that cable from somewhere what should my question be.

1) a cable that has usb port on one end and ethernet port on other end

or

2) a cable that has usb port on one end and usb port on the other end also..

so that it can be connected to usb port of my pc...and then...will i be connected to internet ????



Hope i have made my question clear...

if not please write back...i will try to be more clear..


thanks again

#5 abcd_1

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Posted 30 October 2011 - 12:57 AM

Hi Platypus...


It will be possible if i have a cable which has usb port on one side and 2 point power pin on the other side...

can you suggest me a place where we can buy..

The reason i say, it is possible is...this the below link shows it how


http://www.erodov.com/forums/power-your-dsl-modem-using-usb/42096.html

please have a look at this.. and suggest..if i can get this in the market

#6 abcd_1

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Posted 30 October 2011 - 12:28 PM

guys ..please respond !!!

#7 jhayz

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Posted 30 October 2011 - 09:23 PM

You could try purchasing the adapter/converter for using a source of power given its the same description on the +/- 5V output on modem. I actually had thoughts on trying this one for I've never had any reliable assurance for it to work. Worth a try anyway. I've already asked a friend to make me one of those as they look simple to follow. Just have to dig one of those old cables.

Does it mean that, instead of using the ethernet cable , can i use the usb port to fetch internet from the modem ?

The Ethernet/WAN port and USB port found on your modem is for your internet connections. I think its clear on the manual and your post. Your query for the power adapter port converting to usb is correct. As stated, I would rather make one instead by following the link. Be carefully understand on what are the correct output voltage and cables connection.

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#8 abcd_1

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Posted 30 October 2011 - 10:46 PM

thanks jhayz for your reply.

i still have two questions.

this is regarding getting internet from the usb of the modem to my pc.

can i use the usb of modem to usb of my pc ?
can i use the usb of modem to ethernet of my pc ?

or can i use both (independently though !!)


thanks again

#9 Platypus

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Posted 30 October 2011 - 11:01 PM

The reason i say, it is possible is...this the below link shows it how

This is quite different to your situation. A modem requiring 5V DC input at a low enough power to be supplied by a USB port (2.5W) can be operated this way. Your modem requires mains power input 110-120V or 220-240V AC at 4.7W

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#10 abcd_1

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Posted 30 October 2011 - 11:19 PM

Thanks platypus.

i get the answer.

can you please shed some light on my last question which was posted just before your previous answer.

Thanks again.

#11 Platypus

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Posted 30 October 2011 - 11:48 PM

Refer to Pg 16 of the manual:

"Connect your PC to either the ETHERNET port or the USB port using the
appropriate data cable. Do not connect your PC to both the Ethernet and USB
ports at the same time. You can connect two separate PCs to the cable modem at
the same time by connecting one PC to the Ethernet port and one PC to the USB
port."

To use the USB connection, you will need to connect the appropriate USB cable from the USB port on the modem to a USB port on your computer, and follow the instructions on Pg 20 & 21 of the manual to install the USB driver.

Using the Ethernet ports is simpler as no extra driver is needed.

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#12 abcd_1

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Posted 31 October 2011 - 02:10 AM

thanks a ton platypus.

Feel very happy to be a part of bleeping computer.


Thank you too jhayz.

you guys have been great.




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