...:~$ lsusb
Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 1210:25f4 DigiTech
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
...:~$ dmesg | grep usb
[ 0.314182] usbcore: registered new interface driver usbfs
[ 0.314192] usbcore: registered new interface driver hub
[ 0.314213] usbcore: registered new device driver usb
[ 0.831346] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.831349] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.831351] usb usb1: Product: EHCI Host Controller
[ 0.831353] usb usb1: Manufacturer: Linux 3.13.0-57-generic ehci_hcd
[ 0.831355] usb usb1: SerialNumber: 0000:00:1a.0
[ 0.847480] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.847483] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.847485] usb usb2: Product: EHCI Host Controller
[ 0.847487] usb usb2: Manufacturer: Linux 3.13.0-57-generic ehci_hcd
[ 0.847489] usb usb2: SerialNumber: 0000:00:1d.0
[ 1.143221] usb 1-1: new high-speed USB device number 2 using ehci-pci
[ 1.275525] usb 1-1: New USB device found, idVendor=8087, idProduct=0020
[ 1.275534] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.387249] usb 2-1: new high-speed USB device number 2 using ehci-pci
[ 1.519465] usb 2-1: New USB device found, idVendor=8087, idProduct=0020
[ 1.519470] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.591162] usb 1-1.1: new high-speed USB device number 3 using ehci-pci
[ 1.704648] usb 1-1.1: New USB device found, idVendor=1210, idProduct=25f4
[ 1.704653] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.704657] usb 1-1.1: Product: USB 2.0 PC Camera
[ 1.704660] usb 1-1.1: Manufacturer: Alcor Micro, Corp.
[ 1.791087] usb 2-1.2: new full-speed USB device number 3 using ehci-pci
[ 1.886673] usb 2-1.2: New USB device found, idVendor=046d, idProduct=c52f
[ 1.886682] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.886688] usb 2-1.2: Product: USB Receiver
[ 1.886692] usb 2-1.2: Manufacturer: Logitech
[ 1.905918] usbcore: registered new interface driver usbhid
[ 1.905921] usbhid: USB HID core driver
[ 1.911192] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/input/input7
[ 1.911349] hid-generic 0003:046D:C52F.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.0-1.2/input0
[ 1.912340] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.1/input/input8
[ 1.912511] hid-generic 0003:046D:C52F.0002: input,hiddev0,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.0-1.2/input1
[ 27.875054] input: USB 2.0 PC Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input10
[ 27.875210] usbcore: registered new interface driver uvcvideo
Модем не подключен.
...:~$ lsusb
Bus 002 Device 004: ID 12d1:1001 Huawei Technologies Co., Ltd. E169/E620/E800 HSDPA Modem
Bus 002 Device 003: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 1210:25f4 DigiTech
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
...:~$ dmesg | grep usb
[ 0.314182] usbcore: registered new interface driver usbfs
[ 0.314192] usbcore: registered new interface driver hub
[ 0.314213] usbcore: registered new device driver usb
[ 0.831346] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.831349] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.831351] usb usb1: Product: EHCI Host Controller
[ 0.831353] usb usb1: Manufacturer: Linux 3.13.0-57-generic ehci_hcd
[ 0.831355] usb usb1: SerialNumber: 0000:00:1a.0
[ 0.847480] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.847483] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.847485] usb usb2: Product: EHCI Host Controller
[ 0.847487] usb usb2: Manufacturer: Linux 3.13.0-57-generic ehci_hcd
[ 0.847489] usb usb2: SerialNumber: 0000:00:1d.0
[ 1.143221] usb 1-1: new high-speed USB device number 2 using ehci-pci
[ 1.275525] usb 1-1: New USB device found, idVendor=8087, idProduct=0020
[ 1.275534] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.387249] usb 2-1: new high-speed USB device number 2 using ehci-pci
[ 1.519465] usb 2-1: New USB device found, idVendor=8087, idProduct=0020
[ 1.519470] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.591162] usb 1-1.1: new high-speed USB device number 3 using ehci-pci
[ 1.704648] usb 1-1.1: New USB device found, idVendor=1210, idProduct=25f4
[ 1.704653] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.704657] usb 1-1.1: Product: USB 2.0 PC Camera
[ 1.704660] usb 1-1.1: Manufacturer: Alcor Micro, Corp.
[ 1.791087] usb 2-1.2: new full-speed USB device number 3 using ehci-pci
[ 1.886673] usb 2-1.2: New USB device found, idVendor=046d, idProduct=c52f
[ 1.886682] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.886688] usb 2-1.2: Product: USB Receiver
[ 1.886692] usb 2-1.2: Manufacturer: Logitech
[ 1.905918] usbcore: registered new interface driver usbhid
[ 1.905921] usbhid: USB HID core driver
[ 1.911192] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0/input/input7
[ 1.911349] hid-generic 0003:046D:C52F.0001: input,hidraw0: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.0-1.2/input0
[ 1.912340] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.1/input/input8
[ 1.912511] hid-generic 0003:046D:C52F.0002: input,hiddev0,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.0-1.2/input1
[ 27.875054] input: USB 2.0 PC Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input10
[ 27.875210] usbcore: registered new interface driver uvcvideo
[ 1466.271896] usb 2-1.5: new high-speed USB device number 4 using ehci-pci
[ 1466.375342] usb 2-1.5: New USB device found, idVendor=12d1, idProduct=1001
[ 1466.375348] usb 2-1.5: New USB device strings: Mfr=3, Product=2, SerialNumber=0
[ 1466.375351] usb 2-1.5: Product: HUAWEI Mobile
[ 1466.375355] usb 2-1.5: Manufacturer: HUAWEI Technology
[ 1466.442810] usb-storage 2-1.5:1.0: USB Mass Storage device detected
[ 1466.446253] usb-storage 2-1.5:1.1: USB Mass Storage device detected
[ 1466.446508] usb-storage 2-1.5:1.2: USB Mass Storage device detected
[ 1466.447937] usbcore: registered new interface driver usb-storage
[ 1466.474031] usbcore: registered new interface driver usbserial
[ 1466.474050] usbcore: registered new interface driver usbserial_generic
[ 1466.474065] usbserial: USB Serial support registered for generic
[ 1466.497716] init: usb-modeswitch-upstart main process (20397) terminated with status 1
[ 1466.527239] usbcore: registered new interface driver option
[ 1466.527257] usbserial: USB Serial support registered for GSM modem (1-port)
[ 1466.527651] usb 2-1.5: GSM modem (1-port) converter now attached to ttyUSB0
[ 1466.527755] usb 2-1.5: GSM modem (1-port) converter now attached to ttyUSB1
[ 1466.527850] usb 2-1.5: GSM modem (1-port) converter now attached to ttyUSB2
С подключенным модемом.