13Using "LED DISPLAY CHANGE BUTTON" on the front panel, you can switch thefollowing operations: indication of a connection status with a connected terminal(Status mode), indication of PoE power supply (PoE mode), indication ofcommunication speed at 1000 Mbps (GIGA mode), indication of communicationspeed at 100 Mbps or 10 Mbps (Speed mode), indication of transmission mode offull-duplex or half-duplex (DUPLEX mode), indication of a port having a history of loopoccurrence (Loop History mode), or turning off LEDs of all ports (ECO mode).LED DISPLAY CHANGE BUTTONMode at booting is called as Base mode. There are two types of Base modes, whichare Status mode (default setting at shipment) and ECO mode.To switch the Base mode, keep pressing "LED DISPLAY CHANGE BUTTON" for 3seconds or more.When switching is done successfully, 5 LEDs of STATUS/ECO LED, PoE LED, GIGA LED,100M LED, and FULL LED are lighted once at the same time, they turned off, andthen it enters a Base mode. After switching to PoE mode, GIGA mode, Speed mode,DUPLEX mode, or Loop History mode, and "LED DISPLAY CHANGE BUTTON" is notused for 1 minute, it automatically returns to Base mode (Status mode or ECO mode).Base mode is held even if power supply was turned OFF. How to switch the display using the LED DISPLAY CHANGE BUTTON Two Base modes and other modes2.1 LED display change