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Table 13-26 Power control for each system
Syst
Applica
em
ble port
1
0/1 to 0/4
2
0/5 to
0/24
(2) Allocating power supplied by PoE
The following two types of setting methods can be used for allocating power for system 1
and system 2, and either of the setting methods can be selected for each port separately:
Class-based setting
Manual setting
(a) Class-based setting
When the class-based setting is specified using the
configuration command to set the amount of power to allocate to the target port, the
allocation of the power supplied is calculated based on the class. The class-based
allocation of power supply is handled according to Table 13-24 Power class and maximum
output power of the Switch.
(b) Manual setting
When the manual setting is specified using the
configuration command to set the amount of power to allocate to the target port, the amount
of power to be allocated is manually calculated.
Normally, operation is performed using the class-based setting. However, if the actual
power consumption is considerably smaller than the power allocated based on the class,
operation can be economized by manually setting the allocation.
For example, when you connect the PD that is classified in Class 4 (30.0 W) according to
the class-based setting, if the actual power consumption of the PD is 18.0 W, you can
manually set the power to 20.0 W, which allows you to increase the power that can be
allocated to other ports.
If you connect a PD to system 1 that requires more than 30.0 W, you need to manually
allocate the maximum supply power.
Maximum power control operations
For system 1, the maximum amount of power to
be supplied set by the configuration is allocated.
After the setting is changed, the Switch must be
restarted.
Priority control is performed among system 1
ports.
For system 2, the value obtained by subtracting
the maximum amount of power supply allocated
for system 1 from the maximum amount of power
supply for the entire Switch is allocated.
The maximum amount of power supply to
allocate for system 2 depends on the
configuration of system 1. The value for system 2
cannot be set by the configuration.
Priority control is performed among system 2
ports.
Remarks
System 1 default
61.6 [W]
(= 15.4 [W] × 4 ports)
System 2 default
308.4 [W]
(= 370.0 [W] - 61.6 [W])
power inline allocation auto
power inline allocation limit
13 Ethernet
199
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