Sunday, 6 March 2011
Usb Extension Cable
The cable works great... meets all specs and manufacturer's claims. Make sure that you note that you are buying a USB EXTENSION cable, not a USB cable (ie, it has a male receptacle on one end and a female one on the other :^). Belkin F3U134-10 USB Extension Cable (10-Feet)
Many don't know that their USB devices can actually reside some distance away from their computers, because they've become used to the limitations placed upon them by the cords that come with their peripherals. But this cable makes it possible to achieve a balance between functionality and aesthetics. With this Belkin component, you can now think of setting up an entire room as an information hub, rather than just huddling your computer station into a cramped corner. For those who have multiple platforms in one area, this extension cord will make it possible to more easily share USB devices without having to buy an additional USB switcher. Just plug and unplug your devices at will with the additional length. If there's anything negative to say about the product, it's that you don't have much choice as to manufacturer. In a real sense, that doesn't matter: you're going to be happy with what Belkin has on offer. But it would be at least psychologically comforting to have more of a choice.
This USB extension is just what I was hoping it would be. I bought a USB scanner recently, and I wanted it placed on top of a shelf away from my computer. This cord solved the distance problem with ease. I have noticed no change in the scanners performance since adding this extension cable.
I have read some of the reviews of people saying that this cable does not fit their printer - of course not. It is an 'Extension Cable' (A to A) - the end of the USB cable that fits into devices is the 'B' end - this cable is strictly an extension of an existing cable. Also for those looking to extend the reach of their USB devices - USB standards are very specific as to how long a cable can be from device to hub. According to USB.org, the maximum length of a full-speed device cord is 5m (full power devices have a cord that can detach at both ends) and for low-speed is 3m (low-power devices are permenantly attached at one end - like a mouse). I hope this helps some consumers clear up the confusion.
If you're looking for a basic 10' USB extension cable, you've come to the right place. Belkin's products have always been reliable, and this one is no different.
The Belkin F3U134-10 is a 20-gauge 10' USB cable, A plug to A receptacle. I use mine on an older PC that only has USB ports on the back of its tower. Thanks to this cable, I no longer need to climb under furniture to insert my USB memory key.
If you plan to use this cable to extend a shorter cable, be aware of recommended USB cable length limits. Low-density devices (e.g. mice and keyboards) should not exceed cable lengths of 10', while high-density USB devices such as scanners and printers should be limited to a total cable length of 16 feet. If you plan to extend your current USB cable beyond these limits, consider getting a repeating cable such as the Belkin Active Extension USB Cable.
Perhaps the best reason to buy this USB cable from Amazon is to get their hefty discount on Belkin products. You'll pay about a third what you would at your local electronics store. Now that's a bargain!
Ok, let's clear up some confusion about this cable.
According to the Belkin site this cable actually works up to speeds of 480Mb/s, which means it's a High Speed USB compatible cable. You can search Belkin's website for part# F3U134-10 for the page. (For a brief discussion on USB standards see the next paragraph.) It's unfortunate that Amazon has an obsolete/inaccurate description, but for the price it's tough to beat.
Ok now for the promised discussion on USB standards. The USB 1.1 specification was incorporated into the USB 2.0 specification which has created a lot of confusion. USB 1.1 had a maximum transfer rate of 12Mb/s and USB 2.0 has a maximum of 480Mb/s. However USB 2.0 can run at the lower, 12Mb/s rate and still be called USB 2.0 (thus the confusion). Only if a device says "High Speed USB" can you be sure that it's capable of running at 480Mb/s.
I recently purchased an inexpensive webcam, which came with a 8-inches long USB cord. Obviously whoever manufactured it intended the cord to reach from the PC monitor/LCD to the back of the computer, and nothing more. This was unacceptable.<P>
Luckily I browsed around and found this cable, which was a lifesaver. It's got a female "A" plug on one side and a male "A" plug on the other, effectively working as an "extension cord" (to be plugged in the middle, between your pc and one of your existing USB cables that is attached to your USB device).
Very good quality cables. Inexpensive price. To paraphrase Jerry Pournelle on the legendary Byte magazine: "Recommended!". :)'
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