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User’s Manual of IGS-5225 series
388
4.6.3 PoE System Configuration
Under some conditions, the total output power required by PDs can exceed the maximum available power provided by the PSU.
The system may come with a PSU capable of supplying less power than the total potential power consumption of all the PoE
ports in the system. In order to maintain the activity of the majority of ports,
PoE power management
is implemented.
The PSU input power consumption is monitored by measuring voltage and current .The input power consumption is equal to the
system’s aggregated power consumption .The PoE power management concept allows all ports to be active and activates
additional ports, as long as the aggregated power of the system is lower than the power level at which additional PDs cannot be
connected .When this value is exceeded, ports will be deactivated, according to user-defined priorities. The power budget is
managed according to the following user-definable parameters:
maximum available power
,
ports priority
,
maximum
allowable power per port
.
Reserved Power determined by
There are two modes for configuring how the ports/PDs may reserve power and when to shut down ports.
Classification 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 and 30.8 watts.
Allocation 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. The ports are shut down when total reserved powered exceeds the
amount of power that the power supply can deliver.
In Allocation mode the port power will not be turned on if the PD requests more available
power.
The IEEE 802.3bt PoE++ switches, IGS-5225-4UP1T2S, support only classification mode.
This section allows the user to inspect and configure the current PoE configuration settings, as
Figure 4-6-1-2
appears.
Содержание IGS-5225 Series
Страница 1: ...User s Manual of IGS 5225 series 1 ...
Страница 34: ...User s Manual of IGS 5225 series 34 ...
Страница 35: ...User s Manual of IGS 5225 series 35 IGS 5225 8P2T2S IGS 5225 8P2T2S Dimensions W x D x H 72 x 107 x 152 mm ...
Страница 36: ...User s Manual of IGS 5225 series 36 IGS 5225 8P4S IGS 5225 8P4S Dimensions W x D x H 72 x 107 x 152 mm ...
Страница 37: ...User s Manual of IGS 5225 series 37 IGS 5225 4P2S IGS 5225 4P2S Dimensions W x D x H 50 x 87 8 x 135 mm ...
Страница 38: ...User s Manual of IGS 5225 series 38 IGS 5225 4T2S IGS 5225 4T2S Dimensions W x D x H 32 x 87x 135 mm ...
Страница 57: ...User s Manual of IGS 5225 series 57 Figure 2 18 Wiring DO0 and DO1 to Open Detector ...
Страница 79: ...User s Manual of IGS 5225 series 79 Figure 4 1 5 Industrial Managed Switch Main Functions Menu ...
Страница 199: ...User s Manual of IGS 5225 series 199 Figure 4 3 4 6 STP CIST Port Configuration Page Screenshot ...
Страница 265: ...User s Manual of IGS 5225 series 265 Click to undo any changes made locally and revert to previously saved values ...
Страница 288: ...User s Manual of IGS 5225 series 288 ...