Usb Extension Options: Breaking The 16 Foot Barrier

past ten years USB and FireWire have struggled80 feet between your computer and USB device.
to dominate the desktop interface market. UntilThey are available in USB 1.1 (12 Mbps) and USB
five years ago, because of the relatively fast 4002.0 (480 Mbps).
Mbps offered by FireWire, USB, jokingly referredFor most USB extensions 80 feet is long enough,
to as Ultra Slow Bandwidth, was relegated tobut what if you need to go further? Super USB
low-bandwidth applications such as keyboards andExtenders allow you to extend the distance to
mice. At the end of 2001, however, USB dealt ayour USB devices up to 150 feet with no loss in
fatal blow to FireWire with the release of the newsignal. The Super USB Extender uses similar
USB 2.0 standard offering a maximum speed oftechnology for the male and female interfaces,
480 Mbps, faster than the theoretical limit ofbut rather than have a regular USB cable in the
FireWire (though, in practice, usually slower).middle, it uses a Cat 5 cable (also known as a
It seems that USB has essentially won thenetworking cable). The advantage of Super USB
standards battle with FireWire because of itsExtenders, other than the increased maximum
relative low-cost and high availability. The limitationdistance, is the ability to create a custom length.
of USB (both the 1.1 and 2.0 standards popularIf you need to go 63 feet, for example, you can
today) is the 16 foot limit. When you have moresimply use a Super USB Extender with a 63 foot
than 16 feet between your computer and yourCat 5 Cable between the booster and receiver.
USB device you will see significant degradation inSuper USB Extenders are also available in USB 1.1
the signal that can cause problems ranging fromand 2.0 interfaces.
slower transmission speeds to an entirely droppedIf you are looking for a connection beyond 150
connection. This causes problems for people whofeet, many manufacturers offer a special Super
want to run a USB cable to a printer located inUSB Extender capable of USB transfer with no
another room, to a presentation keyboard/mousesignal loss at 330 feet, though this is limited to
combo or any other USB device that may be in aUSB 1.1. Black Box has created a USB 1.1
remote location.extender capable of transmission up to 1000 feet
The cheapest (and arguably easiest) way towithout signal loss, perfect for connecting your
extend the distance to your USB device is bycomputer to a security camera or webcam
using a USB Active Extension Cable. These cableshundreds of feet away from your computer.
have built-in USB repeaters that actually boost theAnother exciting innovation for USB extension
USB signal, allowing you to go further than the 16technology is the pending release of Wireless USB.
foot maximum distance. The most commonWireless USB hubs and devices are anticipated to
length for these cables is 16 feet and you canshow up in early 2006 with maximum distances
chain up to four of these together with no loss inover 100 feet. Keep in mind that this is the first
signal. Assuming you are using the longest USBrelease and as the technology matures this
device cable available (also 16 feet), USB Activedistance limitation will inevitably be lifted in favor
Extension Cables allow for a maximum distance ofof much further distances.