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Car adapter for my USB HUBS

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  • Car adapter for my USB HUBS

    I recently bought a OPUS 320, and when I tried to connect it to my Hub, the hub emmited a bright light and quickly caught fire. I was really not happy, especially since the people at OPUS told me it was safe. I connected the hub to a 5v rail and figured it was safe, obviously I was wrong. So I decided to go a diffrent route, but cant seem to find the appropriate solution.

    On my setup I have a cigarette lighter socket connected to the 12v on my PSU, this powers my GPS unit, which was made to plug into a cigarette socket. My plan was to buy a 3 port socket and connect it to the current port I have. So now I will have 3 ports, one for the GPS, one for a 5v adapter, and the 3rd for another 5v adapter for the DVD rom. problem is i can not seem to find a adapter that has the 2.6a (2600ma) requirement, do I need the full 2.6a or can it be under 2.6. Incase you wanted to know the hub is powering a Sierra aircard, belkin wi-fi, keyboard and touchscreen, my guess is the aircard and belkin are taking all the power, because i get a POWER EXCEEDED warning. Also I have another hub, which I have not connected yet, since i do not have all the equipment yet, that will have a bluetooth dongle, and 2 wireless transmitters for my wireless mice. I wont need to power that one right?
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  • #2
    It seem you fried your usb hub because you switched the polarity.

    On any STANDARD USB port, it's made to provide 5 volts at 500mA = 2.5 watt each. Some laptops will power more (my Shuttle SFF provides less). From my understanding you are looking for a 12V to 5V converter that will provide 2.6A...correct? why don't you use the 5V from your PSU?

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    • #3
      Originally posted by AcuraTLFan View Post
      It seem you fried your usb hub because you switched the polarity.

      On any STANDARD USB port, it's made to provide 5 volts at 500mA = 2.5 watt each. Some laptops will power more (my Shuttle SFF provides less). From my understanding you are looking for a 12V to 5V converter that will provide 2.6A...correct? why don't you use the 5V from your PSU?
      That was using the 5v rail...... Ob the Belkins (hubs I fried) the wires looked the same..... I then bought Targus Hubs which come with a Y-cable, one USB plug is for data and power and the other is for extra power. I then put 4 female plugs and matched red with red and black with black. Turned on PC, problem solved.....
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      • #4
        what color are the wires on opus did you hook up??

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        • #5
          Originally posted by kickercivic1 View Post
          what color are the wires on opus did you hook up??
          Red to red, black to black.....
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          • #6
            Originally posted by HiJackZX1 View Post
            I recently bought a OPUS 320, and when I tried to connect it to my Hub, the hub emmited a bright light and quickly caught fire.
            I just fried my USB hub last week too, ran out of ports on the PC so I got this cheap arse hub that says it can have 5V input but doesn't come with a power supply, hooked it up to OPUS 320W 5V, then the hub melted I am pretty sure I got the right polarity...

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            • #7
              Originally posted by msun View Post
              I just fried my USB hub last week too, ran out of ports on the PC so I got this cheap arse hub that says it can have 5V input but doesn't come with a power supply, hooked it up to OPUS 320W 5V, then the hub melted I am pretty sure I got the right polarity...
              Im glad I am not the only one. I would pick up a Targus hub that uses the Y-cable. Then cut the red plug off, splice the red and black to the OPUS and y-cable. Worked fine for me, the targus is cheap too. http://www.targus.com/us/product_det...sp?sku=ACH63US
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              • #8
                $29...
                I paid $12 for mine....

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                • #9
                  Originally posted by msun View Post
                  $29...
                  I paid $12 for mine....
                  when it comes to certain things, money is not object, lol...... did you buy yours during a sale? Maybe Targus is more expensive in Miami?
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                  • #10
                    It was some brand starts with a "V", and $12 is regular price.
                    But I went to Fry's yesterday and they have this 4 port USB 2.0 hub on sale with power adapter for $6, discounted from $20, got myself two of them.

                    Haven't tried it yet to see if Opus 320W would fried it too

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                    • #11
                      buy a $10 digital multimeter...I'm sure you will continue to use it throughout your install. It's a good investment that you don't have to guess or assume.

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                      • #12
                        Originally posted by msun View Post
                        It was some brand starts with a "V", and $12 is regular price.
                        But I went to Fry's yesterday and they have this 4 port USB 2.0 hub on sale with power adapter for $6, discounted from $20, got myself two of them.

                        Haven't tried it yet to see if Opus 320W would fried it too
                        lol, if it doesnt have a y adapter, I wouldnt chance it.
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                        • #13
                          Originally posted by AcuraTLFan View Post
                          buy a $10 digital multimeter...I'm sure you will continue to use it throughout your install. It's a good investment that you don't have to guess or assume.
                          Well I measure the 5V from Opus and it is 5.08V like it says on the USB hub, but still fried since I can't measure the amp.

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                          • #14
                            Originally posted by HiJackZX1 View Post
                            Im glad I am not the only one. I would pick up a Targus hub that uses the Y-cable. Then cut the red plug off, splice the red and black to the OPUS and y-cable. Worked fine for me, the targus is cheap too. http://www.targus.com/us/product_det...sp?sku=ACH63US
                            Yeah but how many amps can the hub draw through the Y-cable port? Seems that if it's using another USB port as its power source, it's only meant to draw 500ma.
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                            • #15
                              Well turns out powering the hubs through the y cables was a bad idea, still does not get enough power........... Well my setup is so difficult so I decided to make it simple. Im getting rid of the targus hubs..... (60 dollars wasted)... and I just bought a 7 port hub. It will be powered by a cigarette lighter adapter and thats it.... im not fooling with things anymore....
                              Nirwana Project, the Android/Win 7 hybrid system!

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