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
