Apparatus and method for supplying power over an optical link

• US 6,965,718 B2
• Filed: 02/20/2004
• Issued: 11/15/2005
• Est. Priority Date: 02/20/2004
• Status: Active Grant

• Current Assignee: Hewlett Packard Enterprise Development LP (Hewlett-Packard Enterprise Company)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Koertel, Andreas H.
• Primary Examiner(s): Nasri, Javaid H.
• Application Number:
  US10/783,611
• Publication Number:
  US 20050185903A1
• Time in Patent Office: 634 Days
• Field of Search: 385/101
• US Class Current: 385/101
• CPC Class Codes: G02B 6/4439 Auxiliary devices

Abstract

In one embodiment, apparatus for supplying power over an optical link is provided. The apparatus includes a hybrid cable including an optical fiber and a conductor, wherein the optical fiber is configured to transmit an optical signal and the conductor is configured to transmit a power signal. In another embodiment, a method for supplying power over an optical link, includes: providing a hybrid cable in a network system, wherein the hybrid cable includes an optical fiber and a conductor; and transmitting an optical signal along the optical fiber, and transmitting a power signal along the conductor.

Claims

1. An apparatus for supplying power over an optical link, the apparatus comprising:

a hybrid cable including an optical fiber, an outer conductor, and a non-conductive material between the optical fiber and the outer conductor, wherein the optical fiber is configured to transmit an optical signal and the conductor is configured to transmit a power signal;

a first fiber optic link;

a first node;

a first connector coupled by the first fiber optic link to the first node;

a first conductor;

a power source, wherein the first connector is further coupled by the first conductor to the power source;

a second fiber optic link;

a second node;

a second connector coupled by the second fiber optic link to the second node; and

a second conductor, wherein the second connector is coupled by the second conductor to the second node.

2. The apparatus of claim 1, wherein the optical fiber and the outer conductor are disposed internally within the hybrid cable.

3. The apparatus of claim 1, wherein the fiber and the outer conductor are coaxial in configuration.

4. The apparatus of claim 1, wherein the optical fiber is parallel to the outer conductor.

5. The apparatus of claim 1, wherein the outer conductor comprises copper.

6. The apparatus of claim 1, wherein the outer conductor comprises stainless steel.

7. The apparatus of claim 1, wherein the outer conductor comprises:

a twisted pair of solid conductor.

8. The apparatus of claim 1, wherein the outer conductor comprises:

a twisted pair of flexible conductor.

9. The apparatus of claim 1, wherein the outer conductor comprises a mesh configuration.

10. The apparatus of claim 1 wherein the second node comprises a wireless access point and wherein a wireless device communicates with the wireless access point by use of a wireless signal.

11. The apparatus of claim 1, further comprising:

an outer protection disposed on the outer conductor.

12. The apparatus of claim 1, wherein the hybrid cable comprises:

a second optical fiber and a second outer conductor.

13. A network system, comprising:

a hybrid cable including an optical fiber, an outer conductor, and an insulator between the optical fiber and the outer conductor;

a first fiber optic link;

a first node;

a first connector coupled by the first fiber optic link to the first node;

a second fiber optic link;

a second node;

a second connector coupled by the second fiber optic link to the second node;

a first conductor;

a second conductor, wherein the second connector is coupled by the second conductor to the second node;

wherein the first node is configured to transmit an optical signal via the optical fiber to the second node, or alternatively the first node is configured to receive a second optical signal via the optical fiber from the second node; and

a power source configured to transmit a power signal via the conductor to the second node, wherein the first connector is further coupled by the first conductor to the power source.

14. The apparatus of claim 13, wherein the optical fiber and the outer conductor are disposed internally within the hybrid cable.

15. The apparatus of claim 13, wherein the optical fiber and the outer conductor are coaxial in configuration.

16. The apparatus of claim 13, wherein the optical fiber is parallel to the outer conductor.

17. The apparatus of claim 13, wherein the outer conductor comprises copper.

18. The apparatus of claim 13, wherein the outer conductor comprises stainless steel.

19. The apparatus of claim 13, wherein the outer conductor comprises:

a twisted pair of solid conductor.

20. The apparatus of claim 13, wherein the outer conductor comprises:

a twisted pair of flexible conductor.

21. The apparatus of claim 13, wherein the outer conductor comprises a mesh configuration.

22. The network system of claim 13 wherein the second node comprises a wireless access point and wherein a wireless device communicates with the wireless access point by use of a wireless signal.

23. The apparatus of claim 13, further comprising:

an outer protection disposed on the outer conductor.

24. The apparatus of claim 13, wherein the hybrid cable comprises:

a second optical fiber and a second outer conductor.

25. A method for supplying power over an optical link, the method comprising:

providing a hybrid cable in a network system, wherein the hybrid cable includes an optical fiber, an outer conductor, and a non-conductive material between the optical fiber and the outer conductor; and

transmitting an optical signal along the optical fiber, and transmitting a power signal along the outer conductor, including transmitting the optical signal from a first node via a first fiber optic link to a first connector, transmitting the optical signal from the first connector via the optical fiber to a second connector, transmitting the optical signal from the second connector via a second fiber optic link to a second node, transmitting the power signal from a power source via a first conductor to the first connector, transmitting the power signal from the first connector via the outer conductor to the second connector, and transmitting the power signal from the second connector to the second node.

26. The method of claim 25, wherein the optical fiber and the outer conductor are disposed internally within the hybrid cable.

27. The method of claim 25, wherein the optical fiber and the outer conductor are coaxial in configuration.

28. The method of claim 25, wherein the optical fiber is parallel to the outer conductor.

29. The method of claim 25, wherein the outer conductor comprises copper.

30. The method of claim 25, wherein the outer conductor comprises stainless steel.

31. The method of claim 25, wherein the outer conductor comprises:

a twisted pair of solid conductor.

32. The method of claim 25, wherein the outer conductor comprises:

a twisted pair of flexible conductor.

33. The method of claim 25, wherein the outer conductor comprises a mesh configuration.

34. The method of claim 25 wherein the second node comprises a wireless access point and wherein a wireless device communicates with the wireless access point by use of a wireless signal.

35. The method of claim 25, further comprising:

an outer protection disposed on the outer conductor.

36. The method of claim 25, wherein the hybrid cable comprises:

a second optical fiber and a second outer conductor.

37. An apparatus for supplying power over an optical link, the apparatus comprising:

means for transmitting an optical signal along an optical fiber, and for transmitting a power signal along an outer conductor, wherein a non-conductive material is between the optical fiber and the outer conductor;

a first fiber optic link;

a first node;

a first connector coupled by the first fiber optic link to the first node;

a first conductor;

a power source, wherein the first connector is further coupled by the first conductor to the power source;

a second fiber optic link;

a second node;

a second connector coupled by the second fiber optic link to the second node; and

a second conductor, wherein the second connector is coupled by the second conductor to the second node.

38. The apparatus of claim 37 wherein the second node comprises a wireless access point and wherein a wireless device communicates with the wireless access point by use of a wireless signal.