( ITEM ID: EO-002960 )USB 2.0 hub with 7 ports

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USB 2.0 hub with 7 ports special for GSM device


  • Adds 7 USB 2.0 hi-speed ports
  • 8 Luminescent LED with Flash
  • Supports up to 127 hi-speed devices
  • True plug-and-play and hot swap capabilities
  • Fast data/file access and transfer rates up to 480Mbps
  • Draws power directly from USB port

System requirements:

  • IBM compatible PC or Apple Mac PC etc
  • Windows 98SE or later
  • Mac OS 8.6 or later
  • Colors: various colors available

Package contents: Email: sales@eoem.cc support@eoem.cc -----Eoem Online Shop - Phone Service Devices Sparepart Repairing Tools and any more

  • USB 2.0 high speed 7 port hub x 1
  • Power Adapter x 1
  • USB 2.0 connection cable x 1

USB 2.0 hub with 7 ports

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  • John Nolley II10 25,2013 08:07Rating:Excellent
    I originally purchased this hub to make it easier to use multiple USB devices with my laptop while using it at my desk at home. My printer, mouse, barcode scanner, and thumb drive are all USB devices, and pulling the laptop out to unplug one and attach another was getting rather old.

    It\'s a smallish hub, but not one so tiny that the ports are so crammed together so as to be nearly useless. At 4 inches wide and less than an inch tall, the hub should easily fit on any desk, and the rubber feet help hold it in place. The ports are widely enough spaced that you shouldn\'t have a problem attaching cords, thumb drives, or other USB devices.

    Since I planned to use it only at my desk anyway, the caveat that an A/C adapter is required didn\'t bother me--but I\'ve found that the hub works fine without any A/C power at all, and despite the instructions claiming it doesn\'t draw power from the USB bus, the power LED lights up, and all devices work fine. Without the A/C adapter in use, the hub also runs quite cool and doesn\'t suffer from the lock-up problems others have mentioned.

    If you plan on using mostly powered USB devices--like printers, external hard drives or CD/DVD drives--you should be fine using the hub \"unpowered.\" Using it for a keyboard, mouse, barcode reader, and thumb drive may require the use of the A/C power for reliable operation. And if you\'re worried about putting too much of a power strain on your laptop\'s USB bus, connect it via a docking station (as I do) or use the A/C adapter. Still, with that said, many people should be able to use it just fine without having to add another bulky \"leech\" to their power strips.

    Finally, the manual does state that the use of both USB 1 and 2 devices at the same time may cause the hub to drop into USB 1-only mode. I stress \"may,\" as so far the tests I\'ve run with older devices in combination with a USB 2.0 CD burner have worked fine at USB 2 speeds--I assume then the compatibility depends largely on the actual devices used.
  • A Customer06 19,2013 15:28Rating:Average
    The product is and does what all the descriptions say. Looks good, nice and small etc. etc. It is, of course, backward compatible with USB 1.0 and 1.1, but I got a nasty surprise when I opened the box and read the \"Quick Install Guide\". Under the \"tips\" section, they state: \"Connecting USB 1.1 devices to the DUB-H7 may cause all USB devices connected to the hub work at USB 1.1 speed. To ensure 480Mbps throughput for your USB 2.0 devices, do not connect USB 1.1 and USB 2.0 devices to the hub at the same time.\" Maybe this is common knowledge to a computer expert, but to me it wasn\'t! I have 1.1 and 2.0 devices which I want to connect, and now I have to start unplugging and re-plugging devices constantly? That\'s why I bought a hub with 7 ports in the first place! If I had known this, I would have bought two 4-port hubs: one for my USB 1.1 devices, and one for my USB 2.0 devices.
    You can download the Quick install guide I am talking about at Dlink\'s website: [...] and click on \"Install Guides\" for the PDF format download.
  • Joel Kolstad05 31,2013 18:03Rating:Excellent
    *** Note: Several recent comments have stated that this product no longer comes with a worldwide voltage input (100-240V) power supply. That\'s a shame, and I\'d definitely knock a star off the review if I could due to this change on D-Link\'s part -- I can only imagine it was part of a cost-cutting move. :-(

    (Note that this review was originally posted in 2005, so it\'s been a LIFETIME for an electronic device and the DUB-H7\'s you buy today are likely quite dissimilar insofar as their physical construction goes compared to the ones from 2005.)

    Original review:

    I\'ve had one for about six months now, and it\'s worked without problems. One of the things I particularly like with it is that it comes with one of the newer \"slimline\" power supplies that doesn\'t block other plugs, works anywhere in the world (100-240V), and is more efficient than the old \"wall wart\" power supplies.

    Let me address some of the other comments here:

    1) For the guy with the Lexar data card... it is a blight on D-Link\'s reputation that their technical support was clearly incompetent (this is sadly true of many companies today -- being pushed there in part by the relentless \"drive to the bottom\" by consumers who often care more about price than quality and support), but I doubt that even a really good company could have helped much. Although the hub may have somehow been at fault, it\'s also possible the Lexar card had problems -- even if it worked fine in other hubs. For the record, I\'ve used a handful of USB drives with this hub without problems... although not a Lexar brand.

    2) Regaridng plugging in a USB 1.0/1.1 device and slowing the hub down -- this doesn\'t actually happen, at least in the hub I received, but what D-Link is doing is hedging their bets (hence the word \"may\" -- which unfortunately these days many manufacturers use when the word \"will\" is more correct!): Inside the hub you\'ll find a VERY generic hub IC (actually, two of them), and D-Link has a lot of freedom to use different vendors\' ICs based on price, availability, etc. All of them are USB 2.0 hubs, but ones without so-called \"per port transaction translators\" will drop to full speed (12Mbps) if any of the ports have such a device plugged into them. Happily, ICs like this are pretty much extinct today (when USB 2.0 first came out they were around). In any case, your solution of just getting two hubs certainly still applies. I agree this should be a little bit more prominently advertised, but so should a lot of things about USB, WiFi, etc. -- the oft-touted data routes of 480Mbps and 54Mbps (respectively) are pure fantasy, for instance, in real world applications.
  • jess04 11,2013 17:38Rating:Excellent
    I have this hub hooked up to a Dell 5100 laptop. Installation was quick and easy. I have not had any issues and have the following devices hooked up to it: Hp printer, Creative Labs Extigy sound card, Microsoft Optical mouse and Palm Hotsync cradle. Scanner is connected to the spare USB port on PC. In reading some of the comments, I feel the need to say that scanners and web cams historically cause problems when hooked up to any USB hub as they tend to \"HOG\" the bandwith leaving little for the other devices. I am surprised that D-Link claims to have not had complaints on this issue. My advice would be to hook these items directly to the pc\'s USB port and use the hub for the other \"less power hungry\" devices.
  • N. Caine03 01,2013 05:30Rating:Good
    I think the other reviews largely get it right. Two things I haven\'t seen in them, however: first, the plug on the power cord is in the shape of a wide black monolith, so, like bulky a/c adaptors... Second, the included documentation says that the hub will revert to a USB 1.1 hub FOR ALL DEVICES if you have any USB 1 device connected. It says that to get USB 2.0 throughput, you must disconnect all USB 1.0 or 1.1 devices from the hub first. That\'s worth knowing.

    Finally, if you buy the hub, I suggest going to Windows Update and downloading the optional USB 2.0 fix for WinXP SP 1.

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