N8550-48B8C Switch

LED

Color

Mode

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.

LED

Color

Mode

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

Color

Mode

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

LED

Color

Mode

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.

LED

Color

Mode

MGMT Port LED

On Green

Port has a valid link

Flashing Yellow

Flashing indicates activity

OFF

There is no link on the port.