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On gentoo Linux 2.6.30 I see the creation of the following character devices in /dev/usb, when I plug in a USB device:

usbdev2.8
usbdev2.8_ep00
usbdev2.8_ep02
usbdev2.8_ep81
usbdev2.8_ep82

My questions:

  1. What do those names mean?
  2. How to use this device as a serial device (as it is a USB modem capable to send AT commands or such)
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