D-Link DGS-1250 Series - Page 10

DGS-1520 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
5
LED Color Status Description
Fan Error
Green On (Solid) Normal operation (diagnostics test passed)
Red On (Solid) Fan off (due to fan runtime failure)
Link/Act Mode
(PoE Switches Only)
Green On (Solid)
Link/Act/Speed mode selected (via Mode button)
Off
PoE mode selected (via Mode button)
PoE Mode
(PoE Switches Only)
Green On (Solid)
PoE mode selected (via Mode button)
Off
Link/Act/Speed mode selected (via Mode button)
Stack ID
(7-segment LED)
Green
On (Solid) 1 to 8
The stacking ID number of the switch in the stack
On (Solid) H
The switch is the master switch in the stack
On (Solid) h
The switch is the backup master switch in the stack
On (Solid) e
There was an error in the system’s self-test
On (Solid) G
The Safeguard engine entered the exhausted mode
The front panel LED indicators (per RJ45 port) are described in the following table:
LED Color Status Description
Link/Act
(1G, 10/100M)
(top of each port)
Green On (Solid) Active connection at 1 Gbps through the port
On (Blinking) Data transmitted and received through the port
Amber On (Solid) Active connection at 10/100 Mbps through the port
On (Blinking) Data transmitted and received through the port
Off Off Inactive connection or no link present
Link/Act
(2.5G, 100M/1G)
(PoE Switches Only)
(top of each port)
Green On (Solid) Active connection at 2.5 Gbps through the port
On (Blinking) Data transmitted and received through the port
Amber On (Solid) Active connection at 100 Mbps or 1 Gbps through port
On (Blinking) Data transmitted and received through the port
Off Off Inactive connection or no link present
Link/Act
(10G, 1G)
(top of each port)
Green On (Solid) Active connection at 10 Gbps through the port
On (Blinking) Data transmitted and received through the port
Amber On (Solid) Active connection at 1 Gbps through the port
On (Blinking) Data transmitted and received through the port
Off Off Inactive connection or no link present
PoE OK/Fail
(PoE Switches Only)
(top of each port)
Green On (Solid) Power being supplied to PD through the port
Amber On (Solid) An error condition is occurring
Off Off No power being supplied through the port
The front panel LED indicators (per SFP+ port) are described in the following table:
LED Color Status Description
Link/Act
(top of each port)
Green On (Solid) Active connection at 10 Gbps through the port
On (Blinking) Data transmitted and received through the port
Amber On (Solid) Active connection at 1 Gbps through the port
On (Blinking) Data transmitted and received through the port
Off Off Link down or no link