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Sorry Gregory, gave you the wrong number.
You could try something like this. Various voltages and currents with different adapter plugs. This is on Ebay UK but I would think there are others, don't know where you are.
Ebay item number: 201154296095
The Installation and User's Manual
says this modem can receive data at rates up to 30 MB/second in a
DOCSIS-compliant cable network. It can connect directly to two
computers simultaneously, one through the USB port and the other via
Ethernet. The USB port software supports only Windows 98SE through XP,
but may work with newer versions of Windows.
temperature range is 0degreesC-30degrees C. For power input, the only
thing I could find was a picture of the back showing "800 mA" under
the AC adapter jack; the voltage input value is obscured by the plug
in the picture. You should be able to read it on the modem itself, or
the power adapter if you have the one supplied with the unit..
Higher voltage then required is not so recommended, internal circuit may over voltage driven. some power amp max limit may fall within 18V only. See this link If your speaker power less then 30w you can choose 15V 2A will do or else select higher spec.
Here all the specs of the Power adapter you looking for.
Thanks and have a nice day !
- Adapter model: ADP-18LB C - Adapter Input: 200-240 V / 50-60 Hz ~ 400 mA -Adapter output: 24.0 V - 0.75 A
Output Plug - Outside Diameter (mm): 5.50 - Output Plug - Inside Diameter (mm) : 2.10 -Output Plug - Barrel Lenght (mm) : 12.00 -Output Plug - Polarity : Center positive. thanks and have a nice day J -
The specs for this monitor is a 60 Watt, 12 Volt, 5 Amp power adapter. The voltage must be the same. You can always get an adapter with a higher Amperage rating, but never get one with less, as this can overheat the adapter and damage it. I was not able to locate specs on whether the voltage to the monitor is DC or AC... most are DC. If this is the case, the observe the polarity at the monitor. Power adapters have a positive and a negative... center and outer contact, Make sure that the power adapter matches that of the monitor, else it will not work.
You will need at least a 4 amp rated regulated 12 Volt power supply. These are commercialy available from most electronics parts suppliers. They come on a circuit board. You can mount it in your own case and use the original Viewsonic wire end. If you do a google search for 12 volt reglated power supplies you should find many of these.
However, with a second-hand Sprint AC adapter with 3A, 12v adapter, the screen blinks on and off intermittently. Obviously there is some difference here between a class 2 adapter and a power supply box.
The AC adapter for the COMPAQ IJ300 is the Class 2 Power Supply, Model DND-3005, INPUT 120-127V-50/60 Hz 350mA, OUTPUT 30V---500mA, PART # 70D0209, Assembled in China 9933 per my orignal adapter for the COMPAQ IJ 300.