So good news there is a micro USB port and boot mode jumpers to be able to get the hub into SDP mode.
[4215213.643950] usb 3-4.4.2: new high-speed USB device number 8 using ehci-pci [4215213.753446] usb 3-4.4.2: New USB device found, idVendor=15a2, idProduct=007d, bcdDevice= 0.01 [4215213.753448] usb 3-4.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [4215213.753450] usb 3-4.4.2: Product: SP Blank 6UL [4215213.753451] usb 3-4.4.2: Manufacturer: Freescale SemiConductor Inc [4215213.906618] hidraw: raw HID events driver (C) Jiri Kosina [4215213.924124] usbcore: registered new interface driver u
J8 is the micro USB plug https://www.digikey.ca/en/products/detail/molex/1051330011/4356675