47
Table 11
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.
QSFP+ port LED
Each QSFP+ port has a status LED to show port operating status and activities.
Table 12
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.
Management Ethernet port LEDs
A management Ethernet port has one LINK LED and one ACT LED to show its link and data transmission
status.
Table 13
Management Ethernet port LED description
LED mark
Status
Description
LINK
Off
The management Ethernet port is not connected.
Steady green
The management Ethernet port is operating at 10/100/1000 Mbps.
ACT
Off
The management Ethernet port is not receiving or sending data.
Flashing yellow
The management Ethernet port is sending or receiving data.