3Com Switch 4800G 24-Port Configuration Manual page 1195

Configuring a PoE
Interface through the
Command Line
Configuring PoE
Interfaces Through a PoE
Configuration File
n
the Switch 4800G do not support power over spare cables. In this case, if the PD
only supports power over spare cables, you have to change the order of the lines
in the twisted pair cable to supply power to the PD.
To do...
Enter system view
Enter PoE interface view
Enable PoE
Configure the maximum
power for the PoE interface
Configure the PoE mode for
the PoE interface
Configure a description for
the PD connected to the PoE
interface
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...
Enter system view
Create a PoE configuration file and
enter PoE configuration file view
Enable PoE for the PoE interface
Configure the maximum power for the
PoE interface
Configure the PoE mode for the PoE
interface
Return to system view
Configuring the PoE Interface
Use the command...
system-view
interface interface-type
interface-number
poe enable
poe max-power max-power Optional
poe mode signal
poe pd-description string
Use the command...
system-view
poe-profile profile-name
[ index ]
poe enable
poe max-power
max-power
poe mode signal
quit
1195
Remarks
-
-
Required
Disabled by default.
15,400 milliwatts by default.
Optional
signal (power over signal
cables) by default.
Optional
By default, no description for
the PD connected to the PoE
interface is available.
Remarks
-
Required
Required
Disabled by default.
Optional
15,400 milliwatts by
default.
Optional
signal (power over signal
cables) by default.
-