D-Link DES-1228P - Manual (Page 22)

1 1 8 8
default.
Note: Be sure that to record all custom settings of the Switch before
pressing the reset button. Resetting the Switch back to factory
default settings will erase all custom configurations.
Power and System LEDs
Power LEDs
On When the Power LED light is on, the Switch is receiving
power.
Off When the Power LED light is off, the power cord is not
or improperly connected.
CPU LEDs ( Management Indicator)
Blinking When the CPU is working, the CPU LED is blinking.
Off The CPU is idle.
Ports 1 ~ 24 Status LEDs
Link/Act
On When the Link/Act LED light is on, the respective port is
successfully connected to an Ethernet network.
Blinking When the Link/Act LED is blinking, the port is
transmitting or receiving data on the Ethernet network.
Off No link.