Front Panel LEDs

The network management status, link status, and switch status LEDs are located at the rear of the switch.

Note - The System Fault/Alarm (Yellow) and System OK (Green) LEDs cannot be on at the same time.

No.	Name	Color	Description
1	Network Management Link and Activity	Green	Link (left): On – 10 or 100BASE-T link. Off – No link or link down. Activity (right): Off – No activity. Flashing – Packet activity.
2	10GBaseT port Ethernet Link Status/Activity	Green	Has three states: Off – No link or activity on the port. On – A link has been established on the port. Blinking – There is activity on the port.
3	SFP+ port Ethernet Link Status/Activity for 10GbE connection	Green	Has three states: Off – No link or activity on the SFP+ port. On – A link has been established on the SFP+ port. Blinking – There is activity on the SFP+ port.
4	Locate	White	Helps locate the switch: Off – No `locate` command invoked. Fast blink – Occurs one second after the `locate` command is invoked.
5	Attention	Yellow	Has two states: Off – No fault. On solid – A fault in the system is present and service action is required.
6	OK	Green	Has three states: Slow blink – During startup and shutdown sequences. On solid – System normal and operational. Off – Power interruption or system fault. Note: The off state could be triggered by one power supply being unplugged. The switch is still fully operational with only one power supply, but this LED is changed to the off state when one power supply is unplugged or not functioning correctly.

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	Oracle Switch ES1-24 Service Manual