Poe On The Switch; Poe Features - Cisco 220 Series Smart Plus Administration Manual

Power-over-Ethernet

PoE on the Switch

PoE on the Switch
Cisco 220 Series Smart Plus Switches Administration Guide Release 1.0.0.x
that are used to connect to PSEs. You should also first power up a PSE device
before connecting it to a PoE switch. When a device is being falsely detected as a
PD, you should disconnect the device from the PoE port and power recycle the
device with AC power before reconnecting its PoE ports.
A PoE switch is Power Sourcing Equipment (PSE) that delivers electrical power to
the connected powered devices (PD) over existing copper cables without
interfering with the network traffic, updating the physical network or modifying the
network infrastructure.

PoE Features

PoE Features
PoE provides the following features:
• Eliminates the need to run 110/220 V AC power to all devices on a wired
LAN.
• Removes the necessity for placing all network devices next to power
sources.
• Eliminates the need to deploy double cabling systems in an enterprise
significantly decreasing installation costs.
PoE can be used in any enterprise network that deploys relatively low-powered
devices connected to the Ethernet LAN, such as:
• IP phones
• Wireless access points
• IP gateways
• Audio and video remote monitoring devices
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