### 1.1.3 LED

Table1-3 LED

LED | Silkscreen | Status | Description
System status LED | SYS | Off | The switch is not powered on.
Slow blinking (0.5 Hz) | The switch is operating properly but not connected to Lysora Cloud, or PoE power is insufficient.
Fast blinking (10 Hz) | The switch is upgrading or restarting.
Solid green | The switch is operating properly and connected to Lysora Cloud.
10/100/1000Base-T Ethernet port status LED (ports status) | 1-24 | Off | The port is not connected.
Solid green | The port has made a successful 10/100/1000 Mbps link, but it is not receiving or sending data.
Blinking green | The port is receiving or sending data at 10/100/1000 Mbps.
10/100/1000Base-T Ethernet port status LED (PoE status) | 1-24 | Off | The PoE port is not supplying power.
Solid green | The PoE port is supplying power.
Blinking green | PoE overload occurs on the port.
SFP port status LED | 25-28 | Off | The port is not connected.
Solid green | The port has made a successful 10/100/1000 Mbps link, but it is not receiving or sending data.
Blinking green | The port is receiving or transmitting traffic at 1000 Mbps.