D-Link xStack Hardware Installation Manual page 43

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xStack DGS-3120 Series Layer 2 Managed Stackable Gigabit Switch Hardware Installation Guide
Port LED Mode
Indicator
LED Per Link/Act/Speed
10/100/1000 Mbps Mode
Port
PoE Mode
LED Per SFP Port Link/Act
LED Per Stacking Link/Act
Port
SD
A LED Mode Select Button to switch two modes in turn for all
10/100/1000Mbps ports on DGS-3120-24PC/48PC:
- Link/Act/Speed Mode
- PoE Mode
Green Solid Light
Solid Light
Green Solid Light
Blinking
Orange Solid Light
Blinking
Off Light off
Green Solid Light
Orange Solid Light
Off Light Off
Green Solid Light
Blinking
Orange Solid Light
Blinking
Off Light off
Green Solid Light
Blinking
Off Light off
Green Solid Light
Blinking
Light off
Red Solid Light
35
H: When device was assigned as the
stacking Master
h: When device was selected to be the
Backup Master
G: When Safeguard Engine entering the
exhausted mode.
A LED Mode Select Button to switch
Link/Act/Speed Mode
A LED Mode Select Button to switch PoE
Mode
When there is a secure connection (or link) to
1000Mbps Ethernet device at any of the
ports.
When there is reception or transmission of
data occurring at 1000Mbps.
When there is a secure connection (or link) to
10/100Mbps Ethernet device at any of the
ports.
When there is reception or transmission of
data occurring at 10/100Mbps.
No link.
Power feeding.
Error Condition.
No Power feeding.
When there is a secure connection (or link) to
1000Mbps Ethernet device at any of the
ports.
When there is reception or transmission of
data occurring at 1000Mbps.
When there is a secure connection (or link) to
100Mbps Ethernet device at any of the ports.
When there is reception or transmission of
data occurring at 100Mbps.
No link
When there is a secure connection (or link) to
Ethernet device at any of the ports.
When there is reception or transmission (i.e.
Activity--Act) of data occurring at a port.
No link
SD card plug-in
Read/Write
No link
SD card failure