HP E3800-24G-2SFP+ Installation And Getting Started Manual page 60

Installing the Switch
Sample Network Topologies
E5406 zl Switch
Servers with
Gigabit Ethernet
NIC
2-32
As shown in Figure 2-20, the IP telephones have been inserted in between the
E3800-PoE+ switch and the PCs, and a WAP has been connected to the E3800-
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.
Figure 2-27. Example of connecting to a Backbone Switch
To IT or Data Center
Fast Ethernet Switch
PCs, local servers, and
peripherals
PCs, local servers, and
peripherals
Gigabit link (use fiber if over 100 meters)
E3800-24G Switch
Fast Ethernet Switch
Servers with Gigabit
Ethernet NIC
E3800-48G Switch
Servers with
Gigabit Ethernet
NIC
Servers with Gigabit
Ethernet NIC