Alloy AS5010-P, User Manual

Page: 183 / 435

AS Series User Manual
182
Doc No.: AS5-0116-01
Fig: The PoE Configuration
Power Supply Configuration
Parameter Description
Reserved Power
determined by There are three modes for configuring how the ports/PDs may reserve power.
1. Allocated mode: In this mode the user allocates the amount of power that
each port may reserve. The allocated/reserved power for each port/PD is
specified in the Maximum Power fields.
2. Class mode: In this mode each port automatically determines how much
power to reserve according to the class the connected PD belongs to, and
reserves the power accordingly. Four different port classes exist and one for 4,
7, 15.4 or 30 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
modeIn 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.