LevelOne IP Power Switch IPS-0008 - Manual (Page 13)

Power on/off mode
1. Press the control button twice. The outlet power indicator starts
flashing green.
2. Now press control button again within 5 seconds and hold for more
than 5 seconds. The outlet power indicator starts flashing green at
a faster speed and then inverts its original state.
For instance, if outlet power indicator is off (grey) before you press the
control button, it turns on (green) after step 2, indicating that outlet power
is turned on.
1.4. Rear Panel
220AC Model
110AC Model
9