174
Watts. In this mode the Maximum Power fields have no effect.
3. LLDP-MED mode: This mode is similar to the Class mode expect that each port
determine the amount power it reserves by exchanging PoE information using the
LLDP protocol and reserves power accordingly. If no LLDP information is available
for a port, the port will reserve power using the class mode In this mode the
Maximum Power fields have no effect for all modes: If a port uses more power than
the reserved power for the port, the port is shut down.
Power Management Mode :
There are 2 modes for configuring when to shut down the ports:
1. Actual Consumption: In this mode the ports are shut down when the actual
power consumption for all ports exceeds the amount of power that the power
supply can deliver or if the actual power consumption for a given port exceeds the
reserved power for that port. The ports are shut down according to the ports
priority. If two ports have the same priority the port with the highest port number is
shut down.
2. Reserved Power: In this mode the ports are shut down when total reserved
powered exceeds the amount of power that the power supply can deliver. In this
mode the port power is not turned on if the PD requests more power than available
from the power supply.
Primary and Backup Power Source :
Some switches support having two PoE power supplies. One is used as primary
power source, and one as backup power source. If the switch doesn't support
backup power supply only the primary power supply settings will be shown. In case
that the primary power source fails the backup power source will take over. For
being able to determine the amount of power the PD may use, it must be defined
what amount of power the primary and backup power sources can deliver.
Valid values are in the range 0 to 2000 Watts.
Port :
This is the logical port number for this row.
Ports that are not PoE-capable are grayed out and thus impossible to configure PoE
for.
PoE Mode :
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