29-3
z Spare cables modes: For a device with spare cables and signal cables, power can be supplied
over spare cables or signal cables.
Switch 4210G only support for signal mode.
Configuring a PoE Interface through the Command Line
To do… Use the command… Remarks
Enter system view system-view —
Enter PoE interface view
interface interface-type
interface-number
—
Enable PoE poe enable
Required
Disabled by default.
Configure the maximum power
for the PoE interface
poe max-power
max-power
Optional
15,400 milliwatts by default.
Configure the PoE mode for
the PoE interface
poe mode signal
Optional
signal (power over signal cables) by
default.
Configure a description for the
PD connected to the PoE
interface
poe pd-description
string
Optional
By default, no description for the PD
connected to the PoE interface is
available.
Configuring PoE Interfaces Through a PoE Configuration File
A PoE configuration file is used to configure at the same time multiple PoE interfaces with the same
attributes to simplify operations. This configuration method is a supplement to the command line
configuration.
Commands in a PoE configuration file are called configurations.
Follow these steps to configure PoE interfaces through a PoE configuration file:
To do… Use the command… Remarks
Enter system view system-view —
Create a PoE configuration file and
enter PoE configuration file view
poe-profile profile-name [ index ] Required
Enable PoE for the PoE interface poe enable
Required
Disabled by default.
Configure the maximum power for
the PoE interface
poe max-power max-power
Optional
15,400 milliwatts by
default.