Acer ALH-616ds - Manual (Page 11)

2.1.3 Verify it's a 5V,3A power adapter by looking at the indicating label. If
the adapter is correct, please stretch the cable and plug the cord into the
power jack of the hub, as shown in Figure 2-3.
AcerSOHO
Series
Figure 2-3 Connect to the power adapter
2.1.4 Once the hub is connected to the power adapter, please connect the
power adapter to a power cord, as shown in Figure 2-4.
Figure 2-4 Connect to the power cord to wall outlet
2-3