Table 15: System status LED description
LED Mark
Status
Description
SYS
Steady green
The switch is operating correctly.
Flashing green
The switch is performing power-on self test (POST).
Steady red
The system has failed to pass POST or has problems such as fan
failure.
Flashing red
Some ports have failed to pass POST.
Off
The switch is powered off or has failed to start up.
SFP+ port LED
Each SFP+ port has a status LED to show port operating status and activities.
Table 16: SFP+ port LED description
LED Mark
Status
Description
Ethernet
Steady green
A transceiver module or cable has been correctly installed. The port
has a link and is operating at 10 Gbps.
Flashing green
The port is sending or receiving data at 10 Gbps.
Steady yellow
A transceiver module or cable has been correctly installed. The port
has a link and is operating at 1 Gbps.
Flashing yellow
The port is sending or receiving data at 1 Gbps.
Off
No transceiver module or cable has been installed or no link is
present on the port.
Flashing yellow
The port is sending or receiving data at 2 Gbps or 4 Gbps.
Off
No transceiver module or cable has been installed or no link is
present on the port.
QSFP+ port LED
Each QSFP+ port has a status LED to show port operating status and activities.
Table 17: QSFP+ port LED description
LED status
Description
Steady green
A transceiver module or cable has been correctly installed. The port has a link and is operating at
40 Gbps.
Flashing green
The port is sending or receiving data at 40 Gbps.
Steady yellow
A transceiver module or cable has been correctly installed. The port has a link and is operating at
10 Gbps.
Flashing yellow
The port is sending or receiving data at 10 Gbps.
Off
No transceiver module or cable has been installed or no link is present on the port.
68 Ports and LEDs
