Power Over Ethernet (PoE) Operation
Viewing PoE Configuration and Status
Displaying an Overview of PoE Status on All Ports
Syntax: show power-management brief
Displays the following port power status:
• Port: Lists all PoE-capable ports on the switch.
• Power Enable: Shows Yes for ports on which PoE is enabled
(the default) and No for ports on which PoE is disabled.
• Priority: Lists the power priority (Low, High, and Critical)
configured on ports enabled for PoE. (For more on this topic,
refer to the command description on page 11-8.)
• Configured Type: Lists the type of PD connected to each port
(as configured by the user on the PD device). For example:
Telephone, Webcam, Wireless, Other.
• Detection Status:
– Searching: The port is trying to detect a PD connection.
– Delivering: The port is delivering power to a PD.
– Disabled: PoE support is disabled on the port. To re-enable,
refer to “Configuring PoE Operation” on page 11-7.
– Fault: The switch detects a problem with the connected PD.
• Power Class: Shows the 802.3af power class of the PD detected
on the indicated port (as configured by the user on the PD
device). Classes include:
0: 0.44w to 12.95w 3: 6.49w to 12.95w
1: 0.44w to 3.84w
4:
reserved
2: 3.84w to 6.49w
For example, show management-brief displays this output:
Ports 1 through 4 are
delivering power.
The remaining ports
are available to
supply power, but
currently do not
detect a connected
PD.
Figure 11-3. Example of Show Management-Brief Output
11-12
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