Decir que no se está detectando parece incorrecto.
$ ioreg -p IOUSB -l -w 0
...
+-o USB 10/100 LAN@14200000 <class AppleUSBDevice, id 0x10000ee80, registered, matched, active, busy 0 (13 ms), retain 11>
| {
| "sessionID" = 176409708174141
| "iManufacturer" = 1
| "bNumConfigurations" = 2
| "idProduct" = 33106
| "bcdDevice" = 8192
| "Bus Power Available" = 500
| "USB Address" = 11
| "bMaxPacketSize0" = 64
| "iProduct" = 2
| "iSerialNumber" = 3
| "bDeviceClass" = 0
| "Built-In" = No
| "locationID" = 337641472
| "bDeviceSubClass" = 0
| "bcdUSB" = 528
| "USB Product Name" = "USB 10/100 LAN"
| "PortNum" = 2
| "non-removable" = "no"
| "IOCFPlugInTypes" = {"9dc7b780-9ec0-11d4-a54f-000a27052861"="IOUSBFamily.kext/Contents/PlugIns/IOUSBLib.bundle"}
| "bDeviceProtocol" = 0
| "IOUserClientClass" = "IOUSBDeviceUserClientV2"
| "IOPowerManagement" = {"DevicePowerState"=0,"CurrentPowerState"=3,"CapabilityFlags"=65536,"MaxPowerState"=4,"DriverPowerState"=3}
| "Device Speed" = 2
| "USB Vendor Name" = "Realtek"
| "idVendor" = 3034
| "IOGeneralInterest" = "IOCommand is not serializable"
| "USB Serial Number" = "84E714001EAD"
| "IOClassNameOverride" = "IOUSBDevice"
| }
Pero, vea las capturas de pantalla a continuación:
No tengo opciones para configurar / usar el dispositivo.
Está hecho por c2g.
c2g.com/uk/product/81672/usb-2.0-to-fast-ethernet-adapter