Users Guide

Dell PowerConnect 55xx Systems User Guide 159
• Faulty — The power supply unit is functioning, but an error has
occurred, for example, a power overload or a short circuit.
–
Nominal Power — The actual amount of power the device can supply,
in watts.
–
Consumed Power — The amount of the power used by the device, in
watts.
3 Enter the following parameters:
–
System Usage Threshold (1-99 Percent) — Enter the percentage of
power consumed before a trap is generated.
–
Traps — Enable/disable traps if system usage goes over the threshold.
The possible options are:
•
Enable — Enables PoE traps on the device. If traps are enabled,
you must also enable SNMP, and configure at least one SNMP
notification recipient.
•
Disable — Disables PoE traps on the device.
4 To view PoE port settings for a unit in the stack, select its Unit ID . The
port PoE parameters are displayed for all ports on the unit. The fields
displayed in this block are described in the
Edit page.
5 To set PoE settings for a port, click Edit .
6 Select a port in the Port field, and enter the following PoE parameters for
the PDs connected to this port.
–
PoE Admin Status — Select the device PoE mode. The possible
options are:
•
Auto — Enables the Device Discovery protocol, and provides
power to the device using the PoE unit. The Device Discovery
Protocol enables the device to discover Powered Devices attached
to the device interfaces, and to learn their classification.
•
Never — Disables the Device Discovery protocol, and stops the
power supply to the device using the PoE module.
–
Power Priority Level — Enter the priority that determines the power
that is used if the power supply is from Critical to Low. If, for
example, the power supply is running at 99% usage, and port 1 is
prioritized as Critical, but port 3 is prioritized as Low, port 1 is will
receive power before port 3.