
No.  | Item  | Description  | 
|---|---|---|
1  | Switch  | Use to reset to the factory settings.  | 
2  | Ethernet port  | Use to connect the Ethernet cable.  | 
3  | USB port  | Use to connect this option to the main machine. Do not use this port with other options.  | 

- When installing the USB device server option, make sure that the labels 'USB-A' and 'Ethernet' are upside down.
