DGS-3630 Series Layer 3 Stackable Managed Switch Hardware Installation Guide 
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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). 
This LED will light solid green when the RJ45 console port is active. 
The LED will light solid amber when the mini-USB console port is active. 
This LED will be off when both console ports are not active. 
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. 
This LED will light solid red when the fan fails. 
This LED will be off when the fan is operating normally. 
The Switch has LED indicators for Link and Activity. 
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. 
SFP 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 100 Mbps Ethernet device on any of the SFP ports. The LED will blink 
green when a 1000 Mbps port is active or blink amber when a 100 Mbps port is 
active. The LED will be off when there is no link or activity. 
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. 
This 7-segment LED can display numbers from 1 to 9 and the following letters 
H, h, E, and G. The stacking ID (1 to 9) can be assigned manually by the user 
or automatically by the system. 
The letter ‘H’ will be displayed if this switch is the master switch in the stack. 
The letter ‘h’ will be displayed if this switch is the backup master switch in the 
stack. 
The letter ‘E’ will be displayed if there was an error in the system’s self-test. 
The letter ‘G’ will be displayed when the Safeguard engine entered the 
exhausted mode. 
 
Please refer to the “LED Indicators” section in the Appendix A - Technical Specifications for more LED information. 
 
Rear Panel Components 
The rear panel of this switch features a security lock, a GND, a USB port, LED indicators for USB and MGMT, an 
MGMT port, two console ports, an alarm port, an AC power connector, a power cord retainer hole, and an outlet for an 
external redundant power supply. 
 
 
Figure 2-15 Rear panel view DGS-3630-52TC