[1051828.140176] usb 5-2: New USB device found, idVendor=067b, idProduct=2303
[1051828.140185] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[1051828.140192] usb 5-2: Product: USB-Serial Controller
[1051828.140198] usb 5-2: Manufacturer: Prolific Technology Inc.
[1051828.142283] pl2303 5-2:1.0: pl2303 converter detected
[1051828.154334] usb 5-2: pl2303 converter now attached to ttyUSB0
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0411:01ee BUFFALO INC. (formerly MelCo., Inc.) WLI-UC-GNM2 Wireless LAN Adapter [Ralink RT3070]
Bus 005 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
上記出力のうち、”Bus 005 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port”から、
USBバス番号⑤番に、”Prolific Technology, Inc. PL2303 Serial Port”のシリアルポート装置が接続されているということが裏付けられます。