Can I piggyback two Newpoint USB Serial Hubs?

June 5, 2010 at 11:36:39
Specs: Windows XP
Can I piggyback two Newpoint USB Serial Hubs? I need an extension for a 3G modem. I have a second 4-port hub but no power supply for it.

Using a Toshiba laptop with Windows XP.

Thanks.


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#1
June 5, 2010 at 12:13:53
Do you mean a usb hub or are you talking about using a router or switch to connect multiple computers to the net?

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#2
June 5, 2010 at 12:26:00
This is on one computer. I have a Newpoint USB Serial Hub with
4 ports connected now. This has a power cord. I have a second
identical serial hub with no power cord.

Can I link the two hubs together to provide a needed length of
cord? I only have one power supply for these two hubs. It does
light when I piggyback it, but I don't want to harm anything I plug
into the second one.
Thank you!


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#3
June 5, 2010 at 12:34:38
Is the purpose simply to extend the length of the cable? It would be better to buy an USB extension cable.

Is the second hub supposed to have a power cord?

I am not sure, but I think USB hubs have circuitry built in to control traffic. I could be wrong. I guess you could try it and see if things run slower.


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Related Solutions

#4
June 5, 2010 at 13:00:00
like OtheHill said, by piggybacking the two, It will probably work, since the first hub is supplying power to the second one, but the speed could be reduced. Try it and see.

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#5
June 5, 2010 at 13:35:06
If you are using the powered hub to the computer and connecting the second unpowered hub to one port of the first one then it shouldn't slow things down, if it works at all.

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#6
June 5, 2010 at 14:05:46
I did try it, and I get the message that there is not enough power
to run the item in the second hub, which happened to be an Ipod
Nano.
I live in Mexico, but will look for a USB extension. Didn't know
there was one!

Thanks very much.


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#7
June 5, 2010 at 14:14:18
You didn't mention the hub was a music player too.

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#8
June 5, 2010 at 15:35:35
The hub is not a music player. I just tried it by plugging my little
music player into one of the 4 ports to see if it would work.
This hub is about 2"x4.5"x1" in size. Has 4 usb ports on it and
is called "Newpoint 4-port USB Hub" and also says "universal
serial hub" on another location.
Thanks.

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#9
June 5, 2010 at 15:40:30
OK, I misunderstood you. Look at the link below for an example of what is available. That cable has the type of ends you need. There are basically three different sizes of connectors. You need the standard size. Cable come in various lengths. Don't get one much longer that needed. The standard is 5 meters total cable, but it should work even longer than that if necessary.

Generally speaking all hubs downgrade the USB to USB 1.1, which is 40 times slower than USB 2.0.

So you should connect directly to a USB 2.0 port on the computer.

http://www.amazon.com/Belkin-F3U134...


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#10
June 5, 2010 at 16:36:36
That's very helpful, thank you.
One question: how do I determine which USB port is a 2.0 on my
computer?
Now I am using my desktop Gateway.

Thank you for all your suggestions.


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#11
June 5, 2010 at 16:45:07
If the computer a less than a couple of years old any port that is directly on the computer and not part of add on hardware will be USB 2.0. Older computers had a mix of both types.

As I stated above hubs automatically step down to USB 1.1.

I have a keyboard with two USB ports built in and it is 1.1. Card readers with USB is another example of USB 1.1.


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#12
June 5, 2010 at 16:49:38
Okay. Thanks again for taking the time to answer my questions.
Have a good weekend!

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#13
June 5, 2010 at 17:35:33
You too.

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