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DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide
35
- Link/Act/Speed Mode
- PoE Mode
Green
Solid Light
A LED Mode Select Button to switch
Link/Act/Speed Mode
Solid Light
A LED Mode Select Button to switch
PoE Mode
LED Per
10/100/1000 Mbps
Port
Link/Act/Speed
Mode
Green
Solid Light
When there is a secure connection (or
link) to 1000Mbps Ethernet device at
any of the ports.
Blinking
When there is reception or
transmission of data occurring at
1000Mbps.
Orange
Solid Light
When there is a secure connection (or
link) to 10/100Mbps Ethernet device
at any of the ports.
Blinking
When there is reception or
transmission of data occurring at
10/100Mbps.
Off
Light off
No link.
PoE Mode
Green
Solid Light
Power feeding.
Orange
Solid Light
Error Condition.
Off
Light Off
No Power feeding.
LED Per SFP Port Link/Act
Green
Solid Light
When there is a secure connection (or
link) to 1000Mbps Ethernet device at
any of the ports.
Blinking
When there is reception or
transmission of data occurring at
1000Mbps.
Orange
Solid Light
When there is a secure connection (or
link) to 100Mbps Ethernet device at
any of the ports.
Blinking
When there is reception or
transmission of data occurring at
100Mbps.
Off
Light off
No link
LED Per Stacking
Port
Link/Act
Green
Solid Light
When there is a secure connection (or
link) to Ethernet device at any of the
ports.
Blinking
When there is reception or
transmission (i.e. Activity--Act) of data
occurring at a port.
Off
Light off
No link
SD
Green
Solid Light
SD card plug-in
Blinking
Read/Write
Light off
No link
Red
Solid Light
SD card failure