MIEN2204 Series Unmanaged Industrial Ethernet Switch
- 4 -
prevent electric shock.
Important hint:
Power-on operation: first connect the power cord to the power terminal of
the device according to the definition shown in the figure above, and then
power on;
Power-off operation: first unplug the power plug, then remove the power
cord
Please pay attention to the sequence of operations above.
2.3. LED Indicator
The front panel LED indicators of this series of switches indicate the
current working status of the switches.
Specific instructions are shown in the table below.
Description of LED indicator
LED
Conditions
State
System status LED
PWR1/
PWR2
On
power connected and operating
normally
Off
power unconnected or the system is
abnormal
RUN
Blinking
The system is operating normally
(some models are always on to
indicate normal)
Off
The system is abnormal
