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Management switch LEDs

This topic provides information on LEDs of management switch.

Figure 1. Management switch LEDs
Management switch LEDs
Table 1. Management switch LEDs
1 RJ-45 management port status LEDs2 QSFP28 port status LEDs
3 System status LED4 System fan status LED
5 System power status LED6 System ID button/LED

1 RJ-45 management port status LED​

Use these LEDs to monitor the status of the RJ-45 management port. The states of the LEDs are as follows:
StatusColorDescription
OffNoneThe Link is down. Ensure that both near-end and far-end connectors are fully seated and verify cable integrity.
Solid onYellowThe link is established.
BlinkingGreenThe link is connected with active traffic.
Solid onGreenThe link is connected with no active traffic.

2 QSFP28 port status LEDs​

Use these LEDs to monitor the status of the QSFP28 port. The states of the LEDs are as follows:
StatusColorDescription
OffNoneThe link is down. Check the cable.
BlinkingYellowA link error has been detected. Verify cable integrity and replace it if needed.
BlinkingGreenThe link is established with active traffic.
Solid onGreenThe link is established with no active traffic.

3 System status LED​

Use this LED to monitor the status of the system. The states of the LED are as follows:
StatusColorDescription
BlinkingGreenThe System is booting. The boot process may take up to five minutes to complete.
Solid onGreenThe System is powered on and operating normally.
Solid onRedA critical error has occurred.

4 System fan status LED​

Use this LED to monitor the status of the system fans. The states of the LED are as follows:
StatusColorDescription
OffNoneThe System is booting.
Solid onGreenAll fans are operating normally.
Solid onRedOne or more fans have malfunctioned. Identify and replace the failed fan.

5 System power status LED​

Use this LED to monitor the power status of the system. The states of the LED are as follows:
StatusColorDescription
OffNoneAC power loss detected across all power supply units.
Blinking (1 HZ)GreenAC input is detected, but only the 12VSB is active. The power supply unit is in a Smart-on state.
Solid onGreenThe power supply unit is operating normally.
BlinkingYellowThe power supply unit continues to operate, but warning events have been detected. These include over-temperature, high power, over-current events, or degraded fan speed.
Solid onYellow
  • The AC cord is disconnected or AC power has been lost while the second power supply still has AC input power. Ensure the AC cord is securely connected to the inactive unit.
  • A power supply unit failure has occurred. Verify input voltage.

6 System ID button/LED​

Use this system ID button and the system ID LED to visually locate the system. The states of the LED are as follows:
StatusColorDescription
OffNoneNormal operating state
Solid onBlueLocation identification feature is activated.