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2. Connect the other end of the power cable to a standard 110V/220V power outlet.
3. If a second power supply is provided, repeat steps 1 and 2 to connect the second power supply.
Note: The SDX 11500/13500/14500/16500/18500/20500, SDX 11515/11520/11530/11540/11542, SDX
17500/19500/21500, and SDX 17550/19550/20550/21550 appliances emit a high-pitched alert if one power supply fails
or if you connect only one power cable to the appliance. To silence the alarm, you can press the small red button
located on the back panel of the appliance.
Switching on the Appliance
After you have installed the appliance in a rack and connected the cables, verify that the power cable is properly
connected. If you have installed a second power supply, make sure the second cable is connected to an outlet for a
different circuit than the first. After verifying the connections, you are ready to switch on the appliance.
To switch on the appliance
1. Verify that the appliance is connected through a console or Ethernet port. This will ensure that you can configure the
appliance after it is switched on.
2. Press the ON/OFF toggle power switch on the back panel of the appliance.
Caution: Be aware of the location of the emergency power off (EPO) switch, so that if an electrical accident occurs you
can quickly remove power from the appliance.
