7-39
LED mark
Status
Description
blink-time
command. This LED will flash blue at 3 Hz.
Off
The switch is powered off or has failed to start up.
QSFP28 port LED
Table7-13 QSFP28 port LED description
LED status
Description
Steady green
A transceiver module or cable has been correctly installed in the port. The port
has a link and is operating at 100 Gbps.
Flashing green
The port is sending or receiving data at 100 Gbps.
Steady yellow
A transceiver module or cable has been correctly installed in the port. The port
has a link and is operating at 40 Gbps.
Flashing yellow (3 Hz)
The port is sending or receiving data at 40 Gbps.
Off
No transceiver module or cable has been installed in the port, or no link is
present on the port.
QSFP-DD port LED
Table7-14 QSFP-DD port LED description
LED status
Description
Steady green
A transceiver module is installed in the port. The port is operating at its maximum
speed of 400 Gbps, and a link is present on the port.
Flashing green
The port is sending or receiving data at its maximum speed of 400 Gbps.
Steady yellow
A transceiver module is installed in the port. The port is operating at a speed
lower than the maximum speed.
Flashing yellow (3 Hz)
The port is sending or receiving data at a speed lower than the maximum speed.
Off
No transceiver module is installed in the port, or no link is present on the port.
Management Ethernet port LEDs
The switch provides a LINK/ACT LED for each management Ethernet port to indicate their operating
status.
Table7-15 Management Ethernet port LED description
LED mark
Status
Description
LINK/ACT
Off
No link is present on the port.
Steady green
The port is operating at 1000 Mbps.
Flashing green
The port is receiving or sending data at 1000 Mbps.
Steady yellow
The port is operating at 100 Mbps.
Flashing yellow
The port is receiving or sending data at 100 Mbps.
