System Monitoring
This section lists the monitoring LEDs available on the NVIDIA ® UFM® Cyber-AI Appliance.
There is one I/O LED (green) on the front panel to indicate if the system is powered.
![power_on_led.png](https://docscontent.nvidia.com/dims4/default/07422ad/2147483647/strip/true/crop/1533x334+0+0/resize/1440x314!/quality/90/?url=https%3A%2F%2Fk3-prod-nvidia-docs.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fconfluence%2F0000018a-7159-d266-abab-73fda5ef0000%2Fimages%2Fnetworking%2Fdownload%2Fattachments%2F71037857%2Fpower_on_led.png)
LED state |
Color |
Description |
On |
Green |
System is turned on |
Blinking |
Green |
System is under S4 state |
Off |
N/A |
Power off |
LAN Interface LEDs
There are two I/O LEDs (Green and Amber) per LAN port to indicate LAN link and activity.
![lan_rear_io_led_interface.png](https://docscontent.nvidia.com/dims4/default/1e65f6f/2147483647/strip/true/crop/119x122+0+0/resize/119x122!/quality/90/?url=https%3A%2F%2Fk3-prod-nvidia-docs.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fconfluence%2F0000018a-7159-d266-abab-73fda5ef0000%2Fimages%2Fnetworking%2Fdownload%2Fthumbnails%2F71037857%2Flan_rear_io_led_interface.png)
LAN1/LAN2 Rear I/O LED Interface
Left LED |
Right LED |
Description |
Amber |
Green |
Linked – 1Gbps |
Amber |
Blinking green |
Active – 1Gbps |
Green |
Green |
Linked – 10Gbps |
Green |
Blinking green |
Active – 10Gbps |
Off |
Off |
No link |
LAN3/LAN4 Rear I/O LED Interface
Left LED |
Right LED |
Description |
Off |
Green |
Active – 10Mbps |
Off |
Blinking green |
Active – 10Mbps |
Amber |
Green |
Active – 100Mbps |
Amber |
Blinking green |
Active – 100Mbps |
Green |
Green |
Linked – 1Gbps |
Green |
Blinking green |
Active – 1Gbps |
Off |
Off |
No link |
Power Module LED
There are two I/O LEDs (Green and Amber) to indicate the power module state.
LED state |
Color |
Description |
Blinking |
Amber |
Power supply warning event |
Blinking |
Green |
AC present standby output on |
On |
Amber |
AC unplug to this module or power supply critical event |
On |
Green |
Power supply DC output ON and OK |
Off |
N/A |
No AC power to both power modules |
Network Interface Card LEDs
The network card features two I/O LEDs per port:
LED 1 and 2 are bi-color I/O LED which indicate link status. LED behavior is described below for Ethernet and InfiniBand port configurations.
LED 3 and 4 are reserved for future use
![network_interface_card_leds.png](https://docscontent.nvidia.com/dims4/default/4b82d91/2147483647/strip/true/crop/1130x319+0+0/resize/1130x319!/quality/90/?url=https%3A%2F%2Fk3-prod-nvidia-docs.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fconfluence%2F0000018a-7159-d266-abab-73fda5ef0000%2Fimages%2Fnetworking%2Fdownload%2Fattachments%2F71037857%2Fnetwork_interface_card_leds.png)
Ethernet Network Port LED Behavior
LED Color and State |
Description |
Off |
No link is established |
Blinking amber |
1Hz blinking amber occurs due to running a beacon command to locate the adapter card |
Solid green |
Indicates a valid link with no active traffic |
Blinking green |
Indicates a valid logical link with active traffic |
InfiniBand Network Port LED Behavior
LED Color and State |
Description |
Off |
No link is established |
Solid amber |
Indicates an active physical link |
Blinking amber |
1Hz blinking amber occurs due to running a beacon command to locate the adapter card |
Solid green |
Indicates a valid link with no active traffic |
Blinking green |
Indicates a valid logical link with active traffic |