HP Aruba 3810M Series Installation And Getting Started Manual page 56

Figure 33 Example as a Segment Switch Implementing PoE/PoE+
As shown in Example as a Segment Switch Implementing PoE/PoE+, the IP telephones have
been inserted in between the 3810M-PoE+ switch and the PCs, and a WAP has been connected
to the 3810M-PoE+ switch. Only devices directly connected to the PoE+ switches can receive
PoE/PoE+ power. Devices connected to a non-PoE+ switch cannot receive PoE/PoE+ power.
56 Installing the Switch