You must upgrade following packages if you have the old versions of them.
- libusb1-1.0.8-0.1.el5.i386.rpm
- libusb1-devel-1.0.8-0.1.el5.i386.rpm
- libusb1-static-1.0.8-0.1.el5.i386.rpm
And then you need to create “usb/bus/001/” directory under “/dev/” directory. if the problem will not solved. you can make node with “mknod” command.