3.  Replace the power cord if the cord is inserted correctly; check that the AC power source is 
working by connecting a different device in place of the switch. 
4.  If that device works, refer to the next step. 
5.  If that device does not work, check the AC power 
 
 
  While IP Address be changed or forgotten admin password –   
To reset the IP address to the default IP Address “192.168.0.100”  or reset the password to default 
value. Press the hardware reset button  at the front panel about 10  seconds.  After the device is 
rebooted, you can login the management WEB interface within the same subnet of 192.168.0.xx.   
 
 
Reset