Connecting to Power SupplyFigure 4-4  
Note: The gure is to illustrate the application and principle. The power cord you get 
from  the  package and the socket in  your situation  will comply  with  the  regulation in 
your country, so they may differ from the gure above.
After  the  device is  powered  on,  it  begins  the  Power-On  Self-Test.  A  series  of  tests  
run  automatically  to ensure  the  device functions  properly.  During  this time,  its LED 
indicators will respond as follows.
 The Power LED indicator will light on all the time.
 
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After keeping off for several seconds, the LED indicators of all the ports will light up  
 
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momentarily and then turn off again after the initialization.  
The System LED indicator will flash, which represents a successful initialization.
 
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Connection