Operation Manual – PoE-PoE Profile
H3C S3100 Series Ethernet Switches
Chapter 1 PoE Configuration
1-5
z
manual
: When the switch is close to its full load in supplying power, it will not
make change to its original power supply status based on its priority when a new
PD is added. For example: Port A has the priority critical. When the switch PoE is
close to its full load and a new PD is now added to port A, the switch just gives a
prompt that a new PD is added and will not supply power to this new PD.
After the PoE feature is enabled on the port, perform the following configuration to set
the PoE management mode and PoE priority of a port.
Table 1-5
Set the PoE management mode and PoE priority of a port
Operation
Command
Description
Enter system view
system-view
—
Set the PoE management
mode for the switch
poe power-management
{ auto | manual }
Required
auto
by default.
Enter Ethernet port view
interface interface-type
interface-number
—
Se the PoE priority of a
port
poe priority
{
critical
|
high
|
low
}
Required
low
by default.
1.2.5 Setting the PoE Mode on a Port
PoE mode of a port falls into two types, signal mode and spare mode.
z
Signal mode: DC power is carried over the data pairs (1,2,3,6) of category-3/5
twisted pairs.
z
Spare mode: DC power is carried over the spare pairs (4,5,7,8) of category-3/5
twisted pairs.
Currently, S3100 series Ethernet switches do not support the spare mode.
After the PoE feature is enabled on the port, perform the following configuration to set
the PoE mode on a port.
Table 1-6
Set the PoE mode on a port
Operation
Command
Description
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Set the PoE mode on the
port to signal
poe mode
signal
Optional
signal
by default.
