Users Guide

Dell#show power detail stack-unit 1
Unit Total System Redundancy Inline Inline Inline Inline
Inline
Power Power Power Power Power Power Power
Power
Available Consumed Consumed Threshold Available Allocated Consumed
Remaining
(Watts) (Watts) (Watts) (%) (Watts) (Watts) (Watts)
(Watts)
-----------------------------------------------------------------------------------
-----
1 1100 150 0 10 95 0 0 95
Dell#
Manage Power Priorities
Ports enabled with PoE/PoE+ have power access priorities based on the configuration and the port number.
The power priority is assigned in the following order:
1 Ports configured using power inline mode stack-unit unit-number {class | static} —
Ports with static setting have higher priority than the ports with class setting.
2 Power priority setup using power inline priority {critical | high | low} — The critical has
the highest priority and low has the lowest priority. If you configure a priority with this command, the
Dell Networking OS ignores any LLDP-MED priority on the port. If you do not configure a priority with
this command, the Dell Networking OS honors any LLDP-MED priority
3 Port Number — Ports with lower numbers have more priorities than ports with higher numbers.
Power Allocation to Ports
When PoE/PoE+ is enabled, the power allocated to a port depends on how the PoE/PoE+ is enabled on the
port and whether a device is connected to the port.
• When you configure a port using the power inline command without setting the max_milliwatts
power limit option, the Dell Networking OS does not allocate any power to the port unless a device is
connected and there is no limit to the amount of power consumed by the powered device.
• When you configure a port using power inline with the max_milliwatts power limit option, the
Dell Networking OS does not allocate any power to the port unless a device is connected and restricts
the maximum power consumed by the powered device to the amount set in the max_milliwatts
option.
• If the maximum power required for the connected device is less than the specified power limit, Dell
Networking OS allocates the required amount of power and returns the remaining power to the budget.
• If the maximum power required for the connected device is more than the specified power limit, Dell
Networking OS does not allocate any power.
• If there is no enough power in the budget, the configuration is maintained and the port waits till the
required power is available.
• The max_milliwatts option has no effect on a port, when the port is configured in Class mode.
Power over Ethernet (PoE) 699