Chapter
3: Web Management
PoE
NGSME24G4S User Manual | 148
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.
Power Supply Configuration
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 Configuration
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
The PoE Mode represents the PoE operating mode for the port.
Disabled:
PoE disabled for the port.
PoE:
Enables PoE IEEE 802.3af (Class 4 PDs limited to 15.4W)
PoE+
: Enables PoE+ IEEE 802.3at (Class 4 PDs limited to 30W)
