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Rotatable 3-Port Hub

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P1090617rcs.JPG

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In use with a Manual 2-port USB Switch

pi@raspiP4B4b-32GbP:~ $ lsusb
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 0951:1666 Kingston Technology DataTraveler 100 G3/G4/SE9 G2
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 031: ID 0458:003a KYE Systems Corp. (Mouse Systems) NetScroll+ Mini Traveler / Genius NetScroll 120
Bus 001 Device 030: ID 04d9:1503 Holtek Semiconductor, Inc. Keyboard
Bus 001 Device 029: ID 214b:7250  
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

pi@raspiP4B4b-32GbP:~ $ lsusb -t
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
    |__ Port 2: Dev 2, If 0, Class=Mass Storage, Driver=usb-storage, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 4: Dev 29, If 0, Class=Hub, Driver=hub/4p, 480M
            |__ Port 3: Dev 30, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
            |__ Port 3: Dev 30, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
            |__ Port 4: Dev 31, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M

pi@raspiP4B4b-32GbP:~ $ usb-devices
...
T:  Bus=01 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#= 29 Spd=480 MxCh= 4
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=214b ProdID=7250 Rev=01.00
S:  Product=USB2.0 HUB
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I:  If#=0x0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
...



2021-12-26 19:42