lsusb - GTS250
Bus 001 Device 003: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device (Multicard Reader)
Bus 001 Device 002: ID 0c45:62c0 Microdia Sonix USB 2.0 Camera
Bus 001 Device 005: ID 12d1:1051 Huawei Technologies Co., Ltd.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 004: ID 043d:007b Lexmark International, Inc. InkJet Color Printer
Bus 002 Device 003: ID 043d:007c Lexmark International, Inc. X1110/X1130/X1140/X1150/X1170/X1180/X1185
Bus 002 Device 002: ID 043d:007a Lexmark International, Inc. Generic Hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub