C
HAPTER
5
| Monitoring the Switch
Displaying PoE Status
– 251 –
For a PD device, it can run on its local power supply or use the PSE as a
power source. It can also use both its local power supply and the PSE.
If it is unknown what power supply the PD device is using, this is
indicated as “Unknown.”
◆ Power Priority – Power Priority represents the priority of the PD
device, or the power priority associated with the PSE type device's port
that is sourcing the power. There are three levels of power priority. The
three levels (Critical, High and Low). If the power priority is unknown,
this is indicated as “Unknown.”
◆ Maximum Power – The maximum power in watts required by a PD
device from a PSE device, or the minimum power a PSE device is
capable of sourcing over a maximum length cable based on its current
configuration.
The maximum allowed value is 102.3 W. If the device indicates a value
higher than 102.3 W, this is represented as “reserved.”
WEB INTERFACE
To display LLDP neighbor PoE information, click Monitor, LLDP, PoE.
Figure 126: LLDP Neighbor PoE Information
DISPLAYING POE STATUS
Use the Power Over Ethernet Status to display the status for all PoE ports,
including the PD class, requested power, allocated power, power and
current used, and PoE priority.
PATH
Monitor, PoE
PARAMETERS
These parameters are displayed:
◆ Local Port – The port on this switch which received the LLDP frame.
◆ PD class – Each PD is classified according to the maximum power it
will use. The PD classes include:
■
Class 0: Max. power 15.4 W
■
Class 1: Max. power 4.0 W
■
Class 2: Max. power 7.0 W
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