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Power consumption BEFW11S4

Forum General Networking : General Gateways, Routers and Firewalls - Power consumption BEFW11S4

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Dax   02-07-2004 at 11:33:20 PM

Hi, I got a Linksys BEFW11S4 wireless router, and need to know its power consumption (in watts). I contacted Linksys support, they told me it was 10 watts. Now, I know that I already got an answer for my question, but I don't know if the answer is correct.

The AC adapter on the device has 2 readings, and I don't know which is the one to go by.
Input: 110-120V, 0.5A
Output: 5V, 2.0A

Now, watts=volts*amps, but why are Linksys tech support reading the "Output" line as power consumption (which gives 5*2=10 watts)? Isn't it the "Input" that determines the power consumption? In this case, that'd be ~50watts.

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jlanka   02-08-2004 at 03:00:37 AM
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you sure you read the input specs correctly? Normally it's given in 120VAC, XW not XA

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Dax   02-08-2004 at 06:41:16 AM
- 0 +

Sorry, forgot to mention that input voltage is AC, output is DC.

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carecu   06-11-2004 at 03:37:13 PM
- 0 +

Linksys support are correct the power consumption is 10 watt
the input current is the maximum current that the adapter can support.

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