Electrical power distribution system

• US 20030012546A1
• Filed: 07/10/2001
• Published: 01/16/2003
• Est. Priority Date: 07/10/2001
• Status: Active Grant

• Current Assignee: Calix Incorporated
• Original Assignee: Optical Solutions, Inc. (Calix Incorporated)
• Inventors: Beers, Robert L.
• Granted Patent: US 6,522,828 B2
• Time in Patent Office: Days
• US Class Current: 385/147
• CPC Class Codes: H01R 12/515 Terminal blocks providing connections to wires or cables
• CPC Class Codes: H05K 1/0263 High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board H05K1/0293 takes precedence

Abstract

An electrical power distribution module for a fiber optic network having a hybrid fiber optic cable. A circuit board in the module includes a source connector connected to a source of electrical power. At least one circuit leg is connected in parallel to the source connector. The circuit leg includes an over-current protection device and a client connection terminal in series therewith. A load can be connected to the connection terminal for providing electrical power thereto.

Claims

1. An electrical power distribution module for a fiber optic network, comprising:

a circuit board;

a source connector on said circuit board, said source connector connected to a source of electrical power associated with said fiber optic network; and

at least one circuit leg connected in parallel to said source connector, said at least one circuit leg comprising a client connection terminal, wherein a load can be connected to said client connection terminal for providing electrical power to said load.

2. The power distribution module of claim 1, further comprising an over-current protection device connected in series with said client connection terminal in said circuit leg.

3. The power distribution module of claim 1a further comprising an electrically conductive trace on said circuit board, said electrically conducting trace in electrical contact with said client connection terminal and with said over-current protection device.

4. The power distribution module of claim 2, wherein said source connector comprises a positive source connector and a negative source connector, said positive source connector connected to a positive electrical conductor in a hybrid fiber optic cable in said fiber optic network, and said negative source connector connected to a negative electrical conductor in said hybrid fiber optic cable.

5. The power distribution module of claim 4, wherein said client connection terminal comprises of a first client connector and a second client connector, said first and second client connectors operable to provide positive and negative electrical power connections in said client connection terminal.

6. The power distribution module of claim 5, further comprising:

a first electrically conductive trace on said circuit board, said first electrically conductive trace in electrical contact with;

one of said positive source connector and said negative source connector; and

said first client connector; and

a second electrically conductive trace on said circuit board, said second electrically conductive trace in electrical contact with;

the other of said positive source connector and said negative source connector; and

said over-current protection device.

7. The power distribution module of claim 1, further comprising a plurality of circuit legs connected in parallel to said source connector, each of said plurality of circuit legs comprising:

a client connection terminal; and

an over-current protection device connected in series with said client connection terminal.

8. The power distribution module of claim 2, wherein said over-current protection device comprises a fuse.

9. The power distribution module of claim 8, wherein said fuse comprises of:

a base; and

a replaceable fuse plugged into said base.

10. The power distribution module of claim 1, further comprising a supplementary connector on said circuit board, said supplementary connector connected in parallel with said source connector.

11. The power distribution module of claim 1, wherein said source connector includes a first screw down connector which can accommodate a metal conductor, said metal conductor being retained in said first screw down connector at least partially by an adjustable screw.

12. The power distribution module of claim 11, wherein said client connection terminal includes a second screw down connector which can accommodate a metal conductor, said metal conductor being retained in said second screw down connector at least partially by an adjustable screw.

13. The power distribution module of claim 1, wherein said circuit board includes a layer of insulation material which at least partially electrically insulates electrically conductive traces on said circuit board.

15. The method of claim 14, wherein said electrical power distribution module comprises:

a circuit board;

a source connector on said circuit board; and

at least one circuit leg connected in parallel to said source connector, said at least one circuit leg comprising a client connection terminal.

16. The method of claim 15, wherein said power distribution module further comprises a plurality of circuit legs connected in parallel to said source connector, each of said plurality of circuit legs comprising:

a client connection terminal; and

an over-current protection device in series with said client connection terminal.

17. The power distribution module of claim 16, wherein said over-current protection device comprises a fuse.

19. The fiber optic network of claim 18, wherein said over-current protection device is a replaceable fuse.

20. The fiber optic network of claim 18, further comprising:

a positive source connector in said source connector;

a negative source connector in said source connector;

a positive client connection terminal in said client connection terminal; and

a negative client connection terminal in said client connection terminal.

21. The fiber optic network of claim 20, further comprising a first electrically conductive trace on said circuit board, said first electrically conductive trace in electrical contact with one of said positive source connector and said negative source connector, said first electrically conductive trace also in electrical contact with a corresponding positive client connection terminal or negative client connection terminal.

22. The fiber optic network of claim 21, further comprising a second electrically conductive trace on said circuit board, said second electrically conductive trace in electrical contact with the other of said positive source connector and said negative source connector.

23. The fiber optic network of claim 22, further comprising:

a third electrically conductive trace on said circuit board, said third electrically conductive trace in electrical contact with the other of said positive client connection terminal and said negative client connection terminal;

a first contact member on said over-current protection device, said first contact member in electrical contact with said second electrically conductive trace; and

a second contact member on said over-current protection device, said second contact member in electrical contact with said third electrically conductive trace, wherein

said over-current protection device is in series between said second electrically conductive trace and said third electrically conductive trace.

24. The fiber optic network of claim 18, further comprising:

a plurality of circuit legs connected in parallel to said source connector, each of said plurality of circuit legs comprising;

a client connection terminal; and

an over-current protection device connected in series with said client connection terminal.

25. The fiber optic network of claim 18, further comprising a supplementary connector on said circuit board, said supplementary connector connected in parallel with said source connector.

26. The fiber optic network of claim 18, further comprising a layer of insulation material on said circuit board, said layer of insulation material at least partially electrically insulating electrically conductive traces on said circuit board.

27. The fiber optic network of claim 18, wherein said hybrid fiber optic cable comprises at least one pair of electrical conductors, and said at least one pair of electrical conductors carry electrical power.

28. The fiber optic network of claim 18, wherein said electrical power is in DC voltage.

29. The fiber optic network of claim 18, wherein said electrical power is in AC voltage.

14. A method of delivering electrical power in a fiber optic network from a source end to electronic equipment located at a UDP, comprising the steps of:

providing an electrical conductor in a hybrid fiber optic cable between said source end and said UDP;

providing electrical power to said electrical conductor at said source end;

connecting an electrical power distribution module in parallel with said electrical conductor at said UDP; and

connecting said electronic equipment to said electrical power distribution module for providing electrical power to said electronic equipment.

18. A fiber optic network having an electrical power distribution system, comprising:

a hybrid fiber optic cable between a source end and a destination end, said hybrid fiber optic cable comprising;

at least one glass fiber strand; and

at least one electrical conductor, said at least one electrical conductor carrying electrical power;

an electrical power distribution module in electrical connection with said at least one electrical conductor at said destination end, said electrical power distribution module comprising;

a circuit board;

a source connector on said circuit board, said source connector in electrical connection with said at least one pair of electrical conductors; and

at least one circuit leg connected in parallel to said source connector, said at least one circuit leg comprising;

a client connection terminal; and

an over-current protection device in series with said client connection terminal.