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 enabled to support PoE (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 power command description under “Configuring
PoE Operation” on page 11-14.)
• Configured Type: If configured, shows the user-specified
identifier for the port. If not configured, the field is empty.
Refer to “Configuring Optional PoE Port Identifiers” on
page 11-17.
• Detection Status:
– Searching: The port is trying to detect a PD connection.
– Delivering: The port is delivering power to a PD.
– Disabled: On the indicated port, either PoE support is
disabled or PoE power is enabled but the PoE module does
not have enough power available to supply the port’s power
needs.
– 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. 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
• Other fault: The switch has detected an internal fault that
prevents it from supplying power on that port.
For example, show power-management brief displays this output:
11-20
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