Power-over-ethernet (POE) breakout module
Presented herein are embodiments of a power-over-Ethernet (PoE) breakout system that may be used to breakout a PoE port from a PoE information handling system into a number of breakout ports. In one or more embodiments, a PoE breakout system comprises: a PoE port for connecting to a PoE information handling system, such as a PoE switch; a plurality of breakout ports for connecting to powered devices, wherein each breakout port is configured to supply power to a powered device; and a power management module electrically coupled to the PoE port and configured to supply power to each breakout port according to a configuration that sets a power level for that breakout port. In one or more embodiments. the PoE breakout system comprises a data communications module that switches data traffic to a correct PoE breakout port according to its intended powered device.
1. A power-over-Ethernet (PoE) breakout system comprising:
a PoE port configured to be electrically coupled to a PoE information handling system, the PoE port being configured to send and receive data and to receive power from the PoE information handling system;
a plurality of breakout ports configured to be electrically coupled to one or more powered devices, each breakout port being configured to supply power to a powered device via the breakout port to which the powered device is electrically connected and to transmit data to the powered device and receive data from the powered device via the breakout port;
a power management module electrically coupled to the PoE port and configured to:
receive power from the PoE information handling system via the PoE port;
use a portion of the received power to power the PoE breakout system;
receive, from the powered device via a breakout port from the plurality of breakout ports, power configuration data associated with the powered device that indicates a power configuration that is requested to be supplied via the breakout port to the powered device;
set, for the breakout port, an applied power configuration that is determined using at least the received power configuration data; and
supply power to the powered device via the breakout port according to the applied power configuration that sets a power level for that breakout port, the supplied power being at most a portion of power received by the PoE breakout system from the PoE information handling system; and
a data communications module communicatively coupled to the PoE port and capable of switching or routing data traffic received via the PoE port to a correct PoE breakout port according to its intended powered device and to transmit data to the PoE information handling system that is received via a PoE breakout port.
2. The power-over-Ethernet (PoE) breakout system of claim 1 wherein the applied power configuration that sets the power level for the breakout port is a preset power level.
3. The power-over-Ethernet (PoE) breakout system of claim 2 wherein at least two breakout ports of the PoE breakout system have applied power configurations that set different preset power levels.
4. The power-over-Ethernet (PoE) breakout system of claim 1 wherein the applied power configuration is dynamically set given one or more factors.
5. The power-over-Ethernet (PoE) breakout system of claim 1 wherein the PoE breakout system further comprises a console port for allowing a user to configure one or more breakout ports and wherein an applied power configuration for an identified breakout port is dynamically set by performing the step comprising:
setting a power level for the identified breakout port based upon one or more instructions received via the console port.
6. The power-over-Ethernet (PoE) breakout system of claim 1 wherein the power management module is further configured to:
determine whether power requested to be supplied to a plurality of powered devices exceeds an amount of power received via the PoE port that is allocated for powering powered devices; and
responsive to the power requested to be supplied to the plurality of powered devices exceeding the amount of power received via the PoE port that is allocated for powering powered devices, supplying power to one or more powered devices of the plurality of powered devices according to a priority assigned to the powered devices.
7. The power-over-Ethernet (PoE) breakout system of claim 6 wherein the power management module sets an applied power configuration for a powered device that, based upon its priority, does not receive power at zero or at near zero.
8. The power-over-Ethernet (PoE) breakout system of claim 1 , further comprising a capacitor controller circuit for leveling power supplied to one or more of the breakout ports.
9. A method for supplying power to one or more powered device (PD) using a power-over-Ethernet (PoE) breakout system, the method comprising:
receiving power from a PoE information handling system via a PoE port;
using at least a portion of the received power to power the PoE breakout system, in which at least a portion of the remaining received power is available to be used by a power management module of the PoE breakout system to supply power to one or more breakout port of the PoE breakout system;
for a breakout port from a plurality of breakout ports for the PoE breakout system, which is connected to a powered device:
receiving, from a powered device via the breakout port, power configuration data associated with the powered device that indicates a power level that is requested to be supplied via the breakout port to the powered device;
setting, for the breakout port, an applied configuration that is determined using at least the received power configuration data; and
supplying power to the powered device, using the power management module of the PoE breakout system, via the breakout port according to the applied configuration that sets a power level supplied to the breakout port; and
responsive to receiving data traffic from the PoE information handling system via the PoE port that is intended for the powered device, using a data communications module communicatively coupled to the PoE port to direct the data traffic to the breakout port that is connected to the powered device.
10. The method of claim 9 wherein the applied configuration that sets the power level for the breakout port is a preset power level.
11. The method of claim 9 wherein at least two breakout ports of the PoE breakout system have applied configurations that set different preset power levels.
12. The method of claim 9 wherein the applied configuration is dynamically set given one or more factors.
13. The method of claim 9 wherein the PoE breakout system further comprises a console port for allowing a user to configure one or more breakout ports and wherein an applied configuration for an identified breakout port is dynamically set by performing the step comprising:
setting a power level for the identified breakout port based upon one or more instructions received via the console port.
14. The method of claim 9 further comprising:
determining, via the power management module, whether power requested to be supplied to a plurality of powered devices exceeds the remaining received power that is allocated for powering powered devices, wherein each powered device is connected to the PoE breakout system via a respective breakout port of the PoE breakout system; and
responsive to the power requested to be supplied to the plurality of powered devices exceeding the remaining received power that is allocated for powering powered devices, supplying power to one or more powered devices of the plurality of powered devices according to a priority assigned to the powered devices.
15. The method of claim 14 further comprising:
for a powered device that, based upon its priority does not receive power, setting its applied configuration power level to zero or near zero.
16. The method of claim 9 further comprising:
monitoring an amount of the remaining received power that is available to be supplied to one or more powered devices; and
responsive to power being available for powering a powered device:
detecting whether a second powered device that is not receiving power is connected to the PoE breakout system via a breakout port; and
responsive to a power level to be supplied to the breakout port being equal to or less than the amount of the remaining received power that is available, supplying power to the second powered device via its breakout port.
17. The method of claim 9 further comprising:
using a capacitor controller circuit to provide power leveling to one or more of the breakout ports of the PoE breakout system.
18. A Power-over-Ethernet (PoE) breakout system comprising:
a PoE port, for electrically coupling to a PoE information handling system, to facilitate communication of data to and from the PoE information handling system and to receive power from the PoE information handling system;
a plurality of breakout ports configured to be electrically coupled to a powered device, each breakout port being configured to supply power to the powered device and to transmit data to the powered device and receive data from the powered device via the breakout port; and
a power management module configured to:
receive power from the PoE information handling system via the PoE port;
use a portion of the received power to power the PoE breakout system;
receive, from a first powered device via a first breakout port, power configuration data associated with the first powered device that indicates a first power configuration that is requested to be supplied via the breakout port to the first powered device;
set, for the first breakout port, the first applied power configuration that is determined using at least the received power configuration data; and
supply a first portion of the power received from the PoE information handling system to the first powered device via the first breakout port in accordance with the first applied power configuration.
19. The PoE breakout system of claim 18 , wherein the first applied power configuration is user-set, dynamically set, or preset.
20. The PoE breakout system of claim 18 , further comprising:
a data communications module communicatively coupled to the PoE port and capable of switching or routing data traffic received via the PoE port to a correct breakout port according to its intended powered device and to transmit data to the PoE information handling system that is received via a breakout port.