Question about 2wire 1800HG Router (RG1800HG00)

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Power supply specs

I misplaced my power supply but I have another pwr supply that fit but do not know what the specs are for the original 2wire one and I do not want to risk blowing it up. please help by giving the spec for power supply.

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  • Anonymous Feb 21, 2008

    My power supply is defective and I am trying to find a new power supply without buying a whole new modem.

  • PabloJuan Jun 16, 2008

    Power Supply is dead,,need to find a replacement. What should I do or where could I get a replacement?

  • alouk01 May 11, 2010

    My power supply is defective and I am trying to find a new power supply without buying a whole new modem.

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Manufacturer - 2WIRE
P/N - 2900-800007-000
Model - SAL115A-0525-6G
SWITCHING ADAPTER
Input - 120V ~ 50-60Hz 400mA
Output - 6V 2000mA

Posted on Jan 25, 2008

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1 Answer

I have lost the power supply for this unit. can anyone please supply specs normally printed on the power unit so that I can replace it with a similar powersupply


Just get any power supply with a watt rating equal to or greater than original and you are good to go. And make sure it fits in alloted space.

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Misplaced my power supply for my......


look at the hard drive, there should be either a notation next to the power connector, or if it is a mini usb , for both data and power, it is 5Vdc. If there is no voltage shown, go to the MFG. website, and look up the specs for that model drive. Google can help if you enter the model and Mfg.

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I have an ThinkCentre M51 8143-14U and i wish to upgrade to a better power supply for a graphics card. But i don't which to buy because of different dimensions sizes and cords. im after anything over 500W.


There are only two different sizes of power supply commonly used that I know of and all power connections are the same as well.
I would suggest a reputable power supply that has specs for each "rail" in amperes not just 500w as there are many pwr supplies that do not "cut the mustard". You can research these in www.tomshardware.co.uk



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3 Answers

I need to purchase a power supply cord for 2wire 2701HG-B Wireless Modem?


This are the specs you are looking for:

Input Voltage: 100-240VAC (50-60Hz)
Output Voltage: 5.1 Volts DC (not more!)
Amperage: 2.5 Amps (not less!)

I saw an adapter online for about 10$. Look here.

Apparently you are not the only one experiencing problems with the power supply. See here.
Someone found a replacement:
"...I have noticed that the power supply/charger for the Sony PSP has an output of 5VDC/2A center minus (neg) plug, and the plug fits perfectly in the 2wire gateway. I bought one out of sheer desperation at the local game store and it only cost me $15."
Not bad!

Good luck!

If you have any more questions, just come back here and leave a comment - I'm happy to help.

Jul 14, 2009 | 2wire 2700HG-B Router (2700HGB)

9 Answers

2wire gateway


The modem is a Gateway 2Wire model 2701HG-D. Its function is to handle the high frequency data carrier that rides on top of your ordinary telephone wires to provide internet access. It has four ethernet ports and one USB port in addition to the telephone connector. QWest has said there have been problems with it and they recommend that you purchase a newer model for $100.

Ours failed yesterday with a bunch of green lamps glowing steadily without the normal blinking. The lady was about to go downtown to purchase a replacement when I figured out how to open the box with its four springy plastic bending tabs that you can see looking through the cooling apertures.

What I found was an internal operating voltage of about 4 volts which was well below the 5.1V printed on the power brick. When I ran the modem from a laboratory grade 5 volt source it seemed to work drawing about 1 ampere without any connection to the phone line.

Measuring the 5 volt supply that came with the modem I saw 5.2 volts but when loading it to 100 milliamps or so it dropped to 4 volts. It was definitely out of spec. Replacing the brick with another brand rated at 5 volts, 2.2 amperes solved the whole problem.

A failing power supply usually turns itself off but in this case measuring its output with a voltmeter would result in a conclusion that it was OK. Not so. You have to measure it under load which is a bit harder to do.

So. . . Don't rush to buy that new modem the way QWest says. Consider a replacement power brick. Positive 5 volts on the center of the connector with 2 amp capability. The original power converter used a three pin grounding plug for the AC source and the ground was connected to the negative side of the DC output. That's not normally done and does not seem to be necessary. It would make more sense to connect to the telephone company ground but that wire may not be available in the 6 pin telco socket.

Part numbers on the failed power brick

P/N 1000-500031-000
Part No GPUSW0512000GD1S
Input 100-120Vc.a 50/60Hz 0,15A
Output 5.1V DC 2A
Class 2 Power Unit
Made in China

And. . . after cracking the shell of the power brick the input aluminum electrolytic capacitor showed typical deformation of the round aluminum end. That kind of failure is very much a part of my life these days. Sigh.

May 13, 2008 | 2wire (1000-000057-000) Modem

1 Answer

PrimeFilm 1800u power


Power Adapter:
Output -12V DC /1A , Input - 100VAC or 240VAC, Frequency: 47Hz to 63Hz

Feb 13, 2008 | Pacific Image PrimeFilm 1800u Film Scanner...

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