lsusb - test002
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 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
Bus 001 Device 004: ID 413c:2513 Dell Computer Corp. internal USB Hub of E-Port Replicator
Bus 002 Device 003: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications Processor
Bus 001 Device 005: ID 413c:1003 Dell Computer Corp. Keyboard Hub
Bus 001 Device 006: ID 413c:2010 Dell Computer Corp. Keyboard
Bus 001 Device 007: ID 413c:3012 Dell Computer Corp. Optical Wheel Mouse