Understanding Led Indicators; Power And System Leds - D-Link DES-1228 User Manual

connector, and the male into a power outlet. Supported input
voltages range from 100-240V AC, and 50-60Hz.

Understanding LED Indicators

The front panel LEDs provides instant status feedback and simplifies
monitoring and troubleshooting tasks.

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 improperly connected.
CPU LEDs ( Management Indicator)
Blinking When the CPU is working, the CPU LED is blinking.
Off The CPU is idle.
Figure 6 – LED indicators of the Switch
1 5
1 5