N8550-48B8C Switch

Power Supply 1

Red

Error/Failure/Bad

Green

Good

Off

Not present

Power Supply 2

Red

Error/Failure/Bad

Green

Good

Off

Not present

FANs

Red

Error/Failure/Bad

Green

Good

Diag

Red

Error/Fault/Failure

Green

Good

Blinking
Green

System boot in progress

LOC

Not supported.

SFP28 Port LED

On/Flashing
Green

SFP28 port has a valid link at 25G.
Flashing indicates activity.

On/Flashing
Yellow

SFP28 port has a valid link at 10G.
Flashing indicates activity.

OFF

There is no link on the port.

LED 1~4
(Port 49~56)

On/Flashing
Green

QSFP28 port has a valid link at 100G.
Flashing indicates activity.

OFF

There is no link on the port.

On/Flashing
Blue

QSFP28 port has a valid link at 40G.
Flashing indicates activity.

OFF

There is no link on the port.

On/Flashing
Yellow

QSFP28 port has a valid link at 25G via
break out cable. The LED on 100G QSFP
end is also present OFF. Flashing indicates
activity. (With Breakout cable)

OFF

There is no link on the port.

On/Flashing
Purple

QSFP28 port has a valid link at 10G via
break out cable. The LED on 40G QSFP
end is also present OFF. Flashing indicates
activity. (With Breakout cable)

OFF

There is no link on the port

SFP+ Port LED

On/Flashing
Green

SFP+ port has a valid link at 10G.
Flashing indicates activity.

On/Flashing
Yellow

SFP+ port has a valid link at 1G.
Flashing indicates activity.

OFF

There is no link on the port.

MGMT Port
LED

On
Green

Port has a valid link

Flashing
Yellow

Flashing indicates activity

OFF

There is no link on the port.