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Mine didnt come with an ac adapter and the universal one I've got is center + or - . usually it would say on the product itself but it's rubbed off on mine.

Posted by Nicole Reams on

  • Nicole Reams Sep 10, 2012

    It's model # 4506 on the A/C power adapter.



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Chris Hingee

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  • Computers & ... Master
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Use a multimeter to measure the voltage on the adapter plug and you can determine the polarity at the same time.

Posted on Sep 11, 2012


5 Related Answers


  • 1 Answer

SOURCE: I have both a WRT54G v2.2 and a WRT54GS v6. Same Power Specs?

I have the Linksys WRT54GS ver 6 wireless router. It uses a 12VDC power supply @ 500mA. The center of the post is + and the outside of the post is -.

Posted on May 12, 2010

Testimonial: "Thanks ! This is the info I wanted. The manual I saw did not mention Power Specs. Sincerely, Jack G."



  • 8 Answers

SOURCE: I have a Netgear wireless

Yes, make sure you have a new power supply with the right voltage output, enough current (if the new power supply is rated for more current output, it will be OK), and the right plug with the right polarity.

Check your power supply, some will actually work with a wide range of voltage, some actually go from 100-250VAC. 50Hz-60Hz

Posted on Jan 05, 2011



  • 662 Answers

SOURCE: how to connect my Linksys

The Linksys Wireless router is fine, but your latop is not configured for DHCP (Dynamic Host Configuration Protocol). The computer is connected to the router at layer 2, whereas HTTP (Hypertext Transfer Protocol), sits
atop the TCP/IP (Transmission Control Protocol/Internet Protocol) layer, and seems to be trying to
query the ISP's (Internet Service Provider) network for a nameserver (via DNS (Dynamic Name Service) protocol) that doesn't exist on the ISP's network. Configuring the laptop for DHCP and specifying no nameserver will fix this (the ISP's network will dynamically assign a DNS).

Its also possible (though a remote possibility) that your Linksys wifi router may be configured to disallow TCP/IP virtual circuits to/from your computer's IP address - but this is a really advanced
capability of your Linksys wifi router - few know this capability even exists.

Connecting multiple wifi devices to the Linksys router should be no problem, just configure them all to interact with the router using DHCP.

Posted on Jul 04, 2011


  • 7 Answers

SOURCE: Cant login to my motorola

By holding down the button in the back, you may have reset it to factory defaults for the password and username. Try using Admin for the user name and motorola for the password.

Posted on Jul 28, 2011


Shannon Anderson

  • 114 Answers


Unfortunately, you can't use two routers together in that manner. You must have a device in between them such as a switch or bridge or you'll have to disable the DHCP server settings in the second router. The second router then pretty much becomes a switch you may then use all the ports on the second router with the exception of the WAN port it must remain unoccupied. However, if you need wireless connectivity in another location far away from your main router then your only solution would be to indeed purchase an actual access point/bridge device

Posted on Sep 06, 2011

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2 Answers

I need to know the POLARITY of the AC adaptor to provide the correct setting using a universal adapter.

there is no polarity in ac current as ac means alternating current and that means alternating between positive to negative back to positive back to negative and so on
only dc ( direct current ) and the center pin of the plug is designated as the positive pole has polarity, the outer case being the negative
OR Are you asking the voltage of the ac adapter and the voltage of the dc output side of the adapter

Nov 26, 2015 | Office Equipment & Supplies

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I cant find my password to log into my wireless

You will have to go into the routers setup and chose a new password, If it requires you to enter the old password before it allows you to enter a new one , you can find the tiny reset button on the router and press it to restore it to factory default settings, be advised though, this will reset All the settings for your router, not just the wireless password, so you will have to configure it all again.

Jun 26, 2011 | Computers & Internet

1 Answer

I had to buy a new power adapter for my stage 5h wireless system. When I plug it in, the power LED flashes. Is that what it is suppose to do? I can't get it to work at with the new adapter.

No it shouldn't flash. Did you buy the manufacturers own power adapter or did you just buy a universal one?
If you bought a universal it could be that you have the wrong polarity (+ve and -ve the wrong way round)

Feb 22, 2011 | Samson STAGE 5 Consumer Microphone

1 Answer

When I plug router in, there is no power

test the adapter with a multimeter first, then if there is power coming from the adapter the router is dead or damaged. if there is no power coming from the adapter, buy an all in one travel adapter and adjust it (carefully!!) to the settings listed on the old adapter. you will also have to make sure that the plug is the right polarity and that you have the right plug.

May 26, 2009 | Dynex Wireless-G Broadband Router

1 Answer

Speedstream 5100

There should be a Rating on the bottom of the big label on the bottom of the router. From what I could read from the manual, it says: Rating, 12VDC 700mA and then a symbol like a half circle with a line around a dot with a line - one is +, and the other is -.
Whichever the dot was is the one you normally refer to (the one in the center of the circle). You can search for that adapter, but it's easier just to buy a universal adapter. Make sure it can go to 12 volts, and has a mA rating equal or greater than the rating on the router. Also make sure when you use it, that you have the center of the plug for the router on the same polarity as the dot with the line on the router - most universal adapters will allow you to change this polarity.

Hope this helps, please rate :)

Mar 22, 2009 | Computers & Internet

1 Answer

Looking for power adapter for lingo noaa 740/ ne 370 weather radi

Here is a general case solution that might work even if you don't have the manufacturer's expensive adapter if you have some tech skills. Check the input plug on the radio. If you are lucky it should have a symbol next to it with a dot within a circle. The dot gives the polarity of the center connector and the circle gives the polarity of the outer connector of the plug. If you are super lucky, you will have the correct adapter already in your parts bin. Otherwise, you can buy universal 12V power adapters online from all electronics and radio shack. They include just about every kind of plug option and also some feature to select polarity.You can try the various plugs and find the one that fits perfect & then set the correct polarity. The current is not so important as long as you meet or exceed the required capacity which is often not given. Both universal adapters can provide 1000 mA which should be more than adequate. There is always a chance to screw up any electronic part; I can attest to that, but I keep 2 or 3 universal 12V power bricks on hand and have used them for many tech items.

Mar 13, 2009 | Lingo NOAA-740 AM/FM/Weather Radio

2 Answers

Ac adaptor

I actually was able to go to leadsinger's website: they had a replacement adapter for sale it was $9.95 plus a few bucks shipping which I thought was a GREAT DEAL! ***BUT****when it arrived, it was white, and DID NOT WORK WITH MY LS-3700. I eventually bought another system on ebay both LS-3700 mics worked with the black originally included adapter, and neither worked with the white one I purchased. The black one is an 8V and the white one a 9V so I think that is the problem. They both had the same polarity and mA limits. I tried a universal adapter but it had 7.5V or 10V to choose between and neither setting worked....I found an 8.5V adapter at a thrift store and gave it a try (((if you do this you MUST MAKE SURE THE POLARITY IS CORRECT OR YOU WILL FRY YOUR DEVICE AS SOON AS IT IS PLUGGED IN--it will smell like burning wires*)))

The Polarity is looks like this: [-] C-- [+] {a negative symbol circled a half circle around a dot opening faces the positive symbol circled and there is a line from the half circle to the positive symbol} Picture a dot in the middle of the C.


1. GO ON EBAY FIND SEARCH "LEADSINGER MIC" and hope for a cheap replacement
2. Find an AC adapter that is 8V-8.5V that fits and has a POSITIVE POLARITY -- Circle open to the positive symbol with a line to it.

Jan 02, 2009 | LeadSinger LS-3000 Consumer Microphone

2 Answers

Computer Ac Adapter

You can get a universal adapter for speakers at Radio Shack or Best Buy.

Jan 02, 2008 | Audio Players & Recorders

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