USB Port Expander Questions, please ?


  1. Posts : 268
    W7
       #1

    USB Port Expander Questions, please ?


    Hi,

    Not too sharp with this "stuff," so please bear with me a bit.
    Two questions, please:

    a. Those multi port USB Expanders, like Atolla, that Amazon sells:

    Some have an "extra" Port for "fast charging".

    Can this Port also be used safely like the 4 or 7 other regular Ports that most seem to have ? Caveats ?

    b. I have a program that communicates with a scanner radio that is driving me crazy regarding Port settings, etc.
    Works just fine when the cable from the scanner to the W10 pc is plugged directly into the pc.
    All the Port options that are free appear; just pick one and go. Works fine.

    But if i plug it into one of my older Atolla port Expanders, and select a free port in Device Manager, it won't recognize it irrespective of which free Port i try to set it up with.

    Is there anything that perhaps the Port Expander does not provide, that is provided by the the
    USB Port on the pc.

    Additional power connections, or...?

    Any generalizations re Port Expanders in general; such as limitations,
    what does/might not work (well) with them, etc. ?

    BTW: just a bit more info.: I read, somewhere, that the scanner requires "some power" on the USB cable
    going to the pc. Hence my question if I should try the :Fast Charging" Port ?

    Worried about it being safe, and not blowing the scanner radio ??

    Thanks,
    Bob
      My Computer


  2. Posts : 12,492
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #2

    All USB ports provide power to a device, USB 3 ports more than USB 2 ports. I haven't had to deal with a charging port yet so can't say much except to check the instructions as to how much, some devices may need as much as 2.1 or 2.5 Amps for charging like a FitBit, phones and tablets, etc.

    Some USB 2 devices like the External USB CD/DVD drive may need 2 sources, use a Y-cable with one leg for data and power and the other leg for additional power.

    For the USB 2 and USB 3 Hubs I prefer the Self-powered type, don't rely upon the computer ports to provide needed power when using several devices plugged into them.
      My Computers


  3. Posts : 1,020
    Windows 10 Pro 20H2 19042.572
       #3

    Robert11 said:
    Hi,

    Not too sharp with this "stuff," so please bear with me a bit.
    Two questions, please:

    a. Those multi port USB Expanders, like Atolla, that Amazon sells:

    Some have an "extra" Port for "fast charging".

    Can this Port also be used safely like the 4 or 7 other regular Ports that most seem to have ? Caveats ?

    b. I have a program that communicates with a scanner radio that is driving me crazy regarding Port settings, etc.
    Works just fine when the cable from the scanner to the W10 pc is plugged directly into the pc.
    All the Port options that are free appear; just pick one and go. Works fine.

    But if i plug it into one of my older Atolla port Expanders, and select a free port in Device Manager, it won't recognize it irrespective of which free Port i try to set it up with.

    Is there anything that perhaps the Port Expander does not provide, that is provided by the the
    USB Port on the pc.

    Additional power connections, or...?

    Any generalizations re Port Expanders in general; such as limitations,
    what does/might not work (well) with them, etc. ?

    BTW: just a bit more info.: I read, somewhere, that the scanner requires "some power" on the USB cable
    going to the pc. Hence my question if I should try the :Fast Charging" Port ?

    Worried about it being safe, and not blowing the scanner radio ??

    Thanks,
    Bob
    After I looked the "Atolla port Expanders" on Amazon, as long as the one that your using has its own power supply (They do sell one that doesn't), then it should work. But depending on the power requirements of the scanning device, you may need to get the one with the "Smart USB Charging Port".

    Also make sure that the USB HUB is recognized by Windows. Try inserting a USB Memory stick and see if your system can actually see that unit as a physical drive.
      My Computers


 

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