How do I use USB cameras when USB cables can only be maximum 5 m?
Use a USB extender. They exists in different flavours. The simple ones are like a 1 port hub powered through the USB cable. Each extender allows additional 5 m of cable and you can put at 2-4 in series giving a total of 15-25 m. Examples http://www.sandberg.it/worldwide/prod.asp?prod=133-17 and http://www.sandberg.it/worldwide/prod.asp?prod=133-28.

A new type has been introduced recently called a CAT5 USB Extender. Using standard CAT5/5e/6 network cable, the CAT5 USB Extender allows the distance between a USB device and a host computer to be extended by up to 50m. It consists of a local unit with a USB Type A Male (host computer side) and a remote unit (device side) with a built-in USB Type A Female connector. A low cost network patch cable is required to connect the two units together.

An example supplier (I have no knowledge about this particular supplier): http://www.lindy.com/uk/productfolder/04/42801/index.php#longDesc

-- ChrisHeap - 22 May 2005 You could try http://cpc.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=CS11725 although unbranded they are approx 35 GBP ( I have bought 2 and they work very well for me) I use UTP CAT 5 cable over approx 40 metres with ToUcam Pro to an outbuilding and it ran with motion for 100 days+. The only problem I have had was a nearby lightning strike causing a lockup which necessitated a restart.

If you are large of bravery and small of wallet you can also try a plain USB extension cable such as:

http://www.ebuyer.com/customer/products/index.html?action=c2hvd19wcm9kdWN0X292ZXJ2aWV3&product_uid=36356

I (WillCooke) am using a combination of these and the USB extender detailed above, with two 3M cables (so 6M) in between the computer and the extender and my cameras are working at a length of 11M using only 1 proper extender. You might also try putting a USB mini-hub at the end of the plain extension cables in place of the USB extender. They serve the same purpose and are often lower cost. This is not supposed to work, but it does for me. Your milage may vary.

Make sure you use shielded cable. I (I'm JorgenVanDerVelde) once had 5m USB connection consisting of two cables, one 4m and 1m. Every once in a when I switched on the TL light, my camera software (Motion of coarse) crashed. Another cam using 8 m cable was not influenced at all. The 1 m segment did appeared not to be shielded. You can check: take the cable out, measure the resistance (using a multimeter or a battery and a lightbulb) between the both connectors (the metal casings that is): if there is no connection between the casings, your cable definitely is not shielded.

Zřejmě instalace aktualizace (KB971033) . Taky jsem tuhle ,,vychytávku,, stáhnul , ale řešil jsem to odebráním aktualizace , které ve win7 funguje .
Postup: ovládací panely - windows update - zobrazit historii aktualizací - nainstalované aktualizace - odinstalovat aktualizaci a HLAVNĚ NENECHÁVAT AUTOMATICKOU INSTALACI AKTUALIZACÍ .

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Zde je vedecky dokazano ze co se tyka energetiky je hnuti duha uplne mimo.

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