4-Port USB Hub, retail $19.99 (www.belkin.com...)
Manufactured by Belkin (www.belkin.com)
Last updated 04-18-11

The 4-Port USB Hub is a

When plugged into the root USB port of a computer, the 4-Port USB Hub allows you to connect up to 4 USB devices to your computer even if you do not have 4 USB ports available on it!

 Size of product w/hand to show scale SIZE

To use the 4-Port USB Hub, just plug it into the root USB port on your computer (actually *ANY* USB port will do the job; it just won't be quite as fast), and place it (preferably) where you can see it. Plug your USB devices (external disk drives, printers, USB modems, scanners, etc.) into the female USB receptacles found on the back of this product. Yes, it really is as easy as that.

USB devices are generally "hot swappable" -- simply meaning that you do not have to turn your computer off before plugging in or unplugging the 4-Port USB Hub.

System requirements:
  • PC or MacŪ computer with USB port
  • For PC Users: Windows 98, 2000, ME, XP and Vista
  • For MAC users: Mac OS 9 to OS 10
The throughput (data transfer speed) is 12Mbps (12 megabits per second); so this hub is reasonably fast.

It does not appear to act as a USB power supply too well though; the USB charging dongles for the Syma S107G R/C Coaxial Helicopter and the Metal Series 33cm R/C Coaxial Helicopter both appear to malfunction in a manner consistent with the USB port having insufficient voltage.

To power this hub, plug the small plug on the end of the cord of the supplied "wall wart"-type power supply into the small circular receptacle for it locatd on the back side of the hub, and all the way to the right.

Plug the other end (the "wall wart" part) into any standard (in north America anyway) 110 volts to 130 volts AC 60Hz two- or three-slot household receptacle. There is no power switch; once you connect its power supply, it turns itself on.

This is a computer accessory, not a flashlight meant to be thrashed, trashed, and abused. So I won't throw it against the wall, stomp on it, try to drown it in the toliet bowl or the cistern, run over it, swing it against the concrete floor of a porch, use a medium claw hammer in order to bash it open to check it for candiosity, fire it from the cannoņata, drop it down the top of Mt. Erupto (I guess I've been watching the TV program "Viva Piņata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout (located at Piņata Central), with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; the cannoņata (also located at Piņata Central) is only used to shoot piņatas to piņata parties away from picturesque Piņata Island, and Mt. Erupto is an active volcano on Piņata Island {In the episode "Les Saves the Day...Again", Paulie Preztail says "Hey, ever wonder why this park's called 'Mount Erupto' anyway?", then Franklin Fizzlybear says "I think its an old native term. Means 'very safe.'"}), send it to the Daystrom Institute for additional analysis, or inflict upon it punishments that flashlights may have inflicted upon them. It was also a gift from friends, so I would not inflict upon it punishments normally given to flashlights -- so even if it was a flashlight, it would be spared the potentially abusive tests.

Therefore, this web page about the 4-Port USB Hub will appear significantly more bare than a web page about a flashlight that was not a gift from friends or family.

Photograph of the front of the unit, showing the LEDs illuminated on it.
The red LED indicates power; the yellow-green LEDs indicate that the USB ports are functioning properly.

Spectrographic analysis
Spectrographic analysis of the red "Power" LED in this hub.

Spectrographic analysis
Spectrographic analysis of the yellow-green "USB Port Status" LEDs in this hub.

USB2000 spectrometer graciously donated by P.L.

Test unit was found in a box of computer periphheral cords and old cellular telephones in late-March 2011.

The AC power supply has an output of +7.50 volts at 2,100mA (2.10A).
As usual, the polarity of the plug is center positive (+), outer can negative (-).

UPDATE: 00-00-00

    PRODUCT TYPE: 4-port USB hub
    No. OF LAMPS: 5 (1 red, 4 yellow-green)
    CASE MATERIAL: Plastic
    BEZEL: N/A
    CURRENT CONSUMPTION: Unknown/unable to measure
    WATER- AND URANATION-RESISTANT: Very light splatter-resistant at maximum
    ACCESSORIES: "Wall wart"-type power supply, USB connecting cable


    Product was not intended to be a light-emitter, so the traditional "star" rating will not be used.

4-Port USB Hub * www.belkin.com...

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