Question about 2wire HomePortal 1000HW DSL Modem and Network Router -1000-400210-000_LN_R (1000400210000LNR)

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Modem power adaptor

Hi,

My modem's power adaptor (the one that was provided with the sales pack)recently bacame faulty. So i purchased a universal adaptor from an electrical store. With the new adaptor, my modem could be switched on. However, only the power indicator lights up. All the other indicator lights are "off". I tried changing the voltage on my adaptor form 12volt(which is the output stated on the initial modem, so i assumed that the new adjustable power adaptor need to be set to the same voltage as well) to 7.5volts. And only one more light appeared(LAN indicator light). But my PC i not able to detect the LAN connection at all. So, i purchased another adaptor and the same happens with the other one as well. Lastly, i connected the first replacement power adapter I purchased, and it worked. I was using the the modem for a short time until the issue started again. When the modem is connected to the adaptor with the output set to 7.5volts(other volts options like 12v, 11v, 3.5v dont work at all) only 2 lights appear to light up-POWER and LAN(but lan cannot be detected by the PC)....wht should i do???

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  • Carl Navarro
    Carl Navarro May 11, 2010

    With any luck, you should buy an original power adapter and quit screwing around with the voltage. Or, just wait and buy a new modem.



    A DC power adapter requires two things, voltage and current. The guess is that you have 12 volts and not anywhere near the 1 amp of current usually required.

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On the bottom of the Modem, it usually lists the type of voltage/current ratio, for example, My modem is a 12VDC in, output is .75A Through the modem. Each modem has its own power requirements. Therefore if they dont match, you have the chance of either underpower (which means no use) or overpowering (and killing your modem permanently)

Best suggestion si the same as above by cnavarro, Buy the Right power supply for it, dont just try anything. get the matching one. Otherwise it will be Incident A or Incident B. Neither would work well, and you would end up buying a new modem all together.

Posted on Oct 31, 2008

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