DGS-3130 Series Layer 3 Stackable Managed Switch Hardware Installation Guide 
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Figure 2-10 LED indicators for the DGS-3130-30PS 
 
LED  Description 
Power 
 
This LED will light solid green after the Switch has been powered on successfully. 
This LED will be off when the Switch is no longer receiving power (i.e. powered 
off). 
Console  This LED will light solid green when the RJ45 console port is active. 
This LED will blink when activity on this port is taking place. 
This LED will be off when console ports are not active. 
MGMT 
 
The LED at the left side indicates the status of MGMT port. 
This LED will light solid green or amber after a link to the MGMT port was 
successfully established. 
This LED will blink when activity on this port is taking place. 
This LED will be off when MGMT port is not active. 
RPS  This LED will light green when the Redundant Powers Supply is in use.  
This LED will be off when the RPS is not in use. 
Fan Err  This LED will light solid red when the fan fails. 
This LED will be off when the fan is operating normally. 
USB  This LED will light solid green if a USB flash drive is plugged in. 
This LED will blink green when the Switch is reading or writing data to and from 
the USB drive. 
This LED will be off when no USB drive is plugged into the USB port. 
This LED will light solid red when a USB drive failure has been detected. 
Link/Act LEDs 
 
   
The Switch has LED indicators for Link and Activity. 
1G RJ45 Ports: The LED at the left side indicates the Link/Act status of 1G RJ45 
ports. This LED will light solid green when there is a connection (or link) to a 1000 
Mbps Ethernet device or solid amber when there is a connection (or link) to a 
10/100 Mbps Ethernet device on any of the RJ45 ports. The LED will blink green 
when a 1000 Mbps port is active or blink amber when a 10/100 Mbps port is 
active. The LED will be off when there is no link or activity. 
10G RJ45 Ports: The LED at the left side indicates the Link/Act status of upper 
10G RJ45 ports. The LED at the right side indicates the Link/Act status of lower 
10G RJ45 ports. This LED will light solid green when there is a connection (or link) 
to a 10 Gbps Ethernet device or solid amber when there is a connection (or link) to 
a 100/1000 Mbps Ethernet device on any of the RJ45 ports. The LED will blink 
green when a 10 Gbps port is active or blink amber when a 100/1000 Mbps port is 
active. The LED will be off when there is no link or activity. 
SFP+ Ports: The triangle LED indicates the Link/Act status of 10G SFP+ ports. 
This LED will light solid green when there is a connection (or link) to a 10 Gbps 
Ethernet device or solid amber when there is a connection (or link) to a 1 Gbps 
Ethernet device at any at any of the SFP+ ports. The LED will blink green when a 
10 Gbps port is active or blink amber when a 1 Gbps port is active. The LED will 
be off when there is no link or activity.