H3C Technologies H3C S5820V2 Series Switches - Manual (Page 62)

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LEDs
System status LED
The system status LED shows the operating status of the switch.
Table 19 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 20 SFP+ port LED description
Transmission technology LED 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.
QSFP+ port LED
Each QSFP+ port has a status LED to show port operating status and activities.
Table 21 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.