General Information about this USB cable 
[Text & Images Contain Registered Copyrighted Material of Internetional Business And logistics and its owner(s)]
This
is an experimental 1,000cm (10 metre) Universal Serial Bus Extension Cable. It is useful if your current device's cable is not long enough to connect to your computer USB port or USB hub from where you actually would like the device to be (eg: placing a web cam on the ceiling, or as a more convenient alternative to wireless keyboards and mice in a lecture hall / home theatre. The cable allows you to extend the effective total wire distance by 10m. It work with all current USB systems (USB1.0/1.1 and USB2.0) on IBM, Microsoft, Apple, Macintosh and Linux based computers etc, as long as they support this USB plug / protocol (It is the most commonly used size and shape and currently, the only known USB plug we know of that connects to computers), It is hence suitable for extension purposes for many known USB devices, with some exceptions stated below.
Special Information about 'Experimental' Long Length 10M USB Cables 
This cable measures an abnormal 10 Metres in length. Normally, the maximum length of a standard USB cable is 5 metres (or 16.4 feet), and that includes the Wiring inside your computer that you can't see, so if a USB cable is longer than 5 metres, some devices may not function properly (some are listed further down for your reference).
The technical reason that most cables are 5m or under, is due to the maximum allowed round-trip delay of a signal to be sent, which is ~ 1500 ns (nanoseconds) at light speed. Therefore, if a USB device does not answer to computer's commands within the allowed time, the computer considers the signal to be lost. If you add up the USB device response time and delays from using multiple hubs and cables, the maximum acceptable delay per cable turns out to be around 20 to 30 ns. The USB 2.0 specification requires cable delay to be less than 5.2 ns every 100cm (which equates to 25ns, which is close to the maximum achievable speed for standard 5 metre copper cable at ~light speed). As such, the length of 5m is calculated. Hwoever, if you use less hubs and a single long cable, the potential for longer distances is greater when used with simpler USB devices.
Examples of how to use the 10M USB Extension Cable Text & Images Contain Registered Copyrighted Material of Internetional Business And logistics and its owner(s)]
Optimal Placement:
In most cases the USB port is directly on the motherboard itself, at the back of the a typical ATX computer case, and also if you are using a USB expansion card (via PCI / PCI express or PCMCIA). However, most ports on the front of your computer are not directly connected to the motherboard and have a hidden poor quality un-shielded USB extension cable that connects somewhere to the motherboard, which degrades the transmission quality over its length. Therefore, it's always best to connect extension cables (especially this 10m cable), and any high performance devices to the ports at the back of the computer (or those soldered onto the motherboard or expansion card)
Maximum lengths, Connections in Series, and USB Hub Bridges:
To get even longer cable lengths,
you need to connect cables in series using a USB hub as a bridge to relay signals, or else, the setup will not work.
Creating a 20 Metre Connection (two 10M cables in series with 1 bridging hub): We connected one of these 10M cables to our computer, then connected a cheap $5 USB 1.1 Hub to it, and then added another 10 metre cable to one of the hub's USB ports, creating a 20 metre connection in series. Many of the above devices still worked at 20 metres, amazingly, which is within theoretical limits for USB.
At over 30 Metres (three 10M cables in series with 2 bridging hubs): Data transmission barely works anywhere over 25m. Only a handful of USB devices, like the Webcam are still detectable at 30 Metres (although the picture becomes highly corrupted). Generally at 30M and above, no data transmission is useful, and the cable is only useful for powering USB devices. So those devices that use USB solely for power (like USB chargers, lights, fans or cup warmers) will work just fine usually without much problems up to very long distances over 100 metres (electrical current drops with distance, but the voltage generally remains the same). So although data transmission USB devices will result in a "USB device not recognised" error, you can still leave them connected to charge; eg; with Mp3 players / PDAs / phones and battery chargers, just to name a few...
Here is an example of how to setup your devices with this cable, and how troubleshoot USB recognition errors:


Examples of popular devices successfully tested to work with this 10m USB cable 
Text & Images Contain Registered Copyrighted Material of Internetional Business And logistics and its owner(s)]
The following devices have been tested to successfully function with this 10 metre USB cable in most conditions. (>95% Probability of a successful connection):
- Some 3.5" USB 2.0 External SATA II / IDE Hard Drive Enclosures, (Ritmo Brand tested with 1TB HDD) (Amazingly this works for some reason)
|
- Every USB Keyboard we've tested so far (Logitech, Generic USB keyboards etc).
|
- Every USB Optical and Laser Mouse tested so far ( wired / wireless ); Logitech, Generic brands, including all those that we sell.
|
- USB Inkjet and Laser Printers (Note *USB printers often have their own long USB cables, so you probably have to use a bridging USB Hub - See image above)
|
- EasyCap USB 2.0 Video/S-Video/AV Capture Device - (Syntek STK1150 Video Capture)
|
- EasyCap USB DVR Video Surveillance Video Recorder/Capture - for security systems
|
- Every Webcam with Mic and LED Lights up to 1.3 Megapixels that we've tested so far (Logitech Quickcam + Popular Generic 'Made in China' web cams)
|
- Every Digital Camera we tested so far (connected via USB to download photos to the computer) - Tested Canon Powershot and Kodak and Olympus
|
- Many common Flash Drives / Portable Drives (256MB to 32GB+) / Thumb Drives (Flash based only, not Micro HDD based micro drives with spinning platters)
|
|
- USB Graphic Tablets / Pen Tablets / Touch Pads / Touch Screens (Genius brands tested 100%)
|
- USB Speakers and those with built in Soundcards
|
- USB Card Readers/Writers (SD/CF/MMC/MS/MiniMS/xD/RS-MMC/MiniSD/TF/MSPRO) - Tested 'all-in-one' card readers.
|
- Generic USB Plug and Play Sound Cards (Microphone input + Stereo out)
|
|
|
- USB Ethernet / LAN Dongles (non-wireless)
|
|
- USB Mp3 / Mp4 Players (*iPods have not been tested yet)
|
|
|
|
|
- All USB Phone/GPS/PDA/Battery chargers (for charging only, not data transfer)
|
| |
| |
Examples of devices not recommended to be used with this 10m USB cable 
[Text & Images Contain Registered Copyrighted Material of Internetional Business And logistics and its owner(s)]
The following devices have been tested to exhibit problems with this 10 metre USB cable in normal conditions. (>65% Probability of device error / signal loss during use):
- Some PDA / Pocket PC Docking Stations have problems, (eg: the Dell x51V can't be detected.)
|
- Most High Definition Digital / DVB-T Tuners, including the KWorld tuner models we sell (unfortunately) can't be used with this cable. Unlike the A/V recorders mentioned above, HD DVB-T tuners use massive amounts of bandwidth. (You might detect the tuner, but you won't see any channels displayed). Normal (Non-HD) DVB-T Tuners may work fine
|
- Some USB 2.0 External Hard Drives may not be detected, (Some do work; eg; Ritmo brand and various generic brands work fine)
|
- Some 2.5" Purely USB Powered External Hard Drives / 2.5" Hard Drive Enclosures (eg: WD Passport);
|
- Some New Pure USB 2.0 Flash drives or those with special file format management systems (biometric security etc).
|
- Some USB2.0 devices without backwards compatability and all USB 3.0 Devices without backwards compatability
|
- Some Wireless LAN Dongles
|
Our opinion of its features 
[Text & Images Contain Registered Copyrighted Material of Internetional Business And logistics and its owner(s)]
This cable comes straight from the factory, new and unused.
After initial tests, we believe its true maximum speed is somewhere between 240Mbps (confirmed) and 480Mbps (max theoretical).
Please do note its limitations stated above prior to purchasing it to avoid potential disappointment. As mentioned earlier, it is an experimental cable, and we are starting it at a low bid price compared to many others on the market.
|