System for transmitting power to a remote PoE subsystem by forwarding PD input voltage
The present disclosure describes a system 400 for transmitting power to a remote Power over Ethernet (PoE) subsystem by forwarding Powered Device (PD) input voltage where the subsystem includes a PD and a Power Sourcing Equipment (PSE) device. Included is a master PSE device 402 , a first subsystem 410 , and a second subsystem 428 . The first subsystem 410 includes a first PD 418 that includes a first power switching device 426 and a first PSE device 424 . The first power switching device 426 forwards the input power from the first PD 418 to the first PSE 424 without disturbing the PoE handshaking between the devices. The first power switching device 426 uses a switching device with level detection that detects the required input voltage. The second subsystem 428 receives the power from the first subsystem's 410 first PSE device 424 . And the second subsystem 428 operates in a manner similar to the first subsystem 410.
1. A system for transmitting power to a remote Power over Ethernet (PoE) subsystem by forwarding Powered Device (PD) input voltage where the subsystem includes a Powered Device and a Power Sourcing Equipment device (PSE), comprising:
a Master Source that includes a master Power Sourcing Equipment device, the Master Source provides power to downstream devices through a first Power over Ethernet (PoE) connection using a PoE handshaking protocol;
a first subsystem that couples to the Master Source through the first PoE connection, the first subsystem further comprises a first Powered Device that receives power from the Master Source through the first PoE connection, the first Powered Device couples to a first power switching device that further couples and powers a first Power Sourcing Equipment device, the first Powered Device provides power to other components in the first subsystem through subsystem voltages, the first power switching device uses a first switcher regulator that steps up the subsystem voltage to power up the first Power Sourcing Equipment Device, the first power switching device follows a turn on protocol that increases its output power until the first Power Sourcing Equipment Device fully turns on, the first Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a second PoE connection without disturbing the PoE handshaking between the first subsystem and subsequent devices;
a second subsystem that couples to the first subsystem through the second PoE connection, the second subsystem further comprises a second Powered Device that receives power from the first subsystem through the second PoE connection, the second Powered Device couples to a second power switching device that further couples and powers a second Power Sourcing Equipment device, the second Powered Device provides power to other components in the second subsystem through subsystem voltages, the second power switching device uses a second switcher regulator that steps up the subsystem voltage to power up the second Power Sourcing Equipment Device, the second power switching device follows a turn on protocol that increases its output power until the second Power Sourcing Equipment Device fully turns on, the second Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a third PoE connection without disturbing the PoE handshaking between the second subsystem and subsequent devices.
2. The claim according to claim 1 where the turn on protocol further comprises a Detection Period.
3. The claim according to claim 1 where the turn on protocol further comprises a Classification Period.
4. The claim according to claim 1 where the turn on protocol further comprises a Startup Period.
5. The claim according to claim 1 where the turn on protocol further comprises an Operation Period.
6. The claim according to claim 1 where the turn on protocol further comprises a Disconnection Period.
7. A method for manufacturing a system for transmitting power to a remote Power over Ethernet (PoE) subsystem by forwarding Powered Device (PD) input voltage where the subsystem includes a Powered Device and a Power Sourcing Equipment device (PSE), comprising:
providing a Master Source that includes a master Power Sourcing Equipment device, the Master Source provides power to downstream devices through a first Power over Ethernet (PoE) connection using a PoE handshaking protocol;
coupling a first subsystem to the Master Source through the first PoE connection, the first subsystem further comprises a first Powered Device that receives power from the Master Source through the first PoE connection, the first Powered Device couples to a first power switching device that further couples and powers a first Power Sourcing Equipment device, the first Powered Device provides power to other components in the first subsystem through subsystem voltages, the first power switching device uses a first switcher regulator that steps up the subsystem voltage to power up the first Power Sourcing Equipment Device, the first power switching device follows a turn on protocol that increases its output power until the first Power Sourcing Equipment Device fully turns on, the first Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a second PoE connection without disturbing the PoE handshaking between the first subsystem and subsequent devices;
coupling a second subsystem to the first subsystem through the second PoE connection, the second subsystem further comprises a second Powered Device that receives power from the first subsystem through the second PoE connection, the second Powered Device couples to a second power switching device that further couples and powers a second Power Sourcing Equipment device, the second Powered Device provides power to other components in the second subsystem through subsystem voltages, the second power switching device uses a second switcher regulator that steps up the subsystem voltage to power up the second Power Sourcing Equipment Device, the second power switching device follows a turn on protocol that increases its output power until the second Power Sourcing Equipment Device fully turns on, the second Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a third PoE connection without disturbing the PoE handshaking between the second subsystem and subsequent devices.
8. The claim according to claim 7 where the turn on protocol further comprises a Detection Period.
9. The claim according to claim 7 where the turn on protocol further comprises a Classification Period.
10. The claim according to claim 7 where the turn on protocol further comprises a Startup Period.
11. The claim according to claim 7 where the turn on protocol further comprises an Operation Period.
12. The claim according to claim 7 where the turn on protocol further comprises a Disconnection Period.
13. A method for using a system for transmitting power to a remote Power over Ethernet (PoE) subsystem by forwarding Powered Device (PD) input voltage where the subsystem includes a Powered Device and a Power Sourcing Equipment device (PSE), comprising:
providing a Master Source that includes a master Power Sourcing Equipment device, the Master Source provides power to downstream devices through a first Power over Ethernet (PoE) connection using a PoE handshaking protocol;
receiving power to a first subsystem that couples to the Master Source through the first PoE connection, the first subsystem further comprises a first Powered Device that receives power from the Master Source through the first PoE connection, the first Powered Device couples to a first power switching device that further couples and powers a first Power Sourcing Equipment device, the first Powered Device provides power to other components in the first subsystem through subsystem voltages, the first power switching device uses a first switcher regulator that steps up the subsystem voltage to power up the first Power Sourcing Equipment Device, the first power switching device follows a turn on protocol that increases its output power until the first Power Sourcing Equipment Device fully turns on, the first Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a second PoE connection without disturbing the PoE handshaking between the first subsystem and subsequent devices;
receiving power to a second subsystem that couples to the first subsystem through the second PoE connection, the second subsystem further comprises a second Powered Device that receives power from the first subsystem through the second PoE connection, the second Powered Device couples to a second power switching device that further couples and powers a second Power Sourcing Equipment device, the second Powered Device provides power to other components in the second subsystem through subsystem voltages, the second power switching device uses a second switcher regulator that steps up the subsystem voltage to power up the second Power Sourcing Equipment Device, the second power switching device follows a turn on protocol that increases its output power until the second Power Sourcing Equipment Device fully turns on, the second Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a third PoE connection without disturbing the PoE handshaking between the second subsystem and subsequent devices.
14. The claim according to claim 13 where the turn on protocol further comprises a Detection Period.
15. The claim according to claim 13 where the turn on protocol further comprises a Classification Period.
16. The claim according to claim 13 where the turn on protocol further comprises a Startup Period.
17. The claim according to claim 13 where the turn on protocol further comprises an Operation Period.
18. The claim according to claim 13 where the turn on protocol further comprises a Disconnection Period.
19. A non-transitory program storage device readable by a computing device that tangibly embodies a program of instructions executable by the computing device to perform a method to use a system for transmitting power to a remote Power over Ethernet (PoE) subsystem by forwarding Powered Device (PD) input voltage where the subsystem includes a Powered Device and a Power Sourcing Equipment device (PSE), comprising:
providing a Master Source that includes a master Power Sourcing Equipment device, the Master Source provides power to downstream devices through a first Power over Ethernet (PoE) connection using a PoE handshaking protocol;
coupling a first subsystem to the Master Source through the first PoE connection, the first subsystem further comprises a first Powered Device that receives power from the Master Source through the first PoE connection, the first Powered Device couples to a first power switching device that further couples and powers a first Power Sourcing Equipment device, the first Powered Device provides power to other components in the first subsystem through subsystem voltages, the first power switching device uses a first switcher regulator that steps up the subsystem voltage to power up the first Power Sourcing Equipment Device, the first power switching device follows a turn on protocol that increases its output power until the first Power Sourcing Equipment Device fully turns on, the first Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a second PoE connection without disturbing the PoE handshaking between the first subsystem and subsequent devices;
coupling a second subsystem to the first subsystem through the second PoE connection, the second subsystem further comprises a second Powered Device that receives power from the first subsystem through the second PoE connection, the second Powered Device couples to a second power switching device that further couples and powers a second Power Sourcing Equipment device, the second Powered Device provides power to other components in the second subsystem through subsystem voltages, the second power switching device uses a second switcher regulator that steps up the subsystem voltage to power up the second Power Sourcing Equipment Device, the second power switching device follows a turn on protocol that increases its output power until the second Power Sourcing Equipment Device fully turns on, the second Power Sourcing Equipment Device may forward it's power to a subsequent subsystem in the PoE chain using a third PoE connection without disturbing the PoE handshaking between the second subsystem and subsequent devices.
20. The claim according to claim 19 where the turn on protocol further comprises a Detection Period.
21. The claim according to claim 19 where the turn on protocol further comprises a Classification Period.
22. The claim according to claim 19 where the turn on protocol further comprises a Startup Period.
23. The claim according to claim 19 where the turn on protocol further comprises an Operation Period.
24. The claim according to claim 19 where the turn on protocol further comprises a Disconnection Period.