High density and bandwidth fiber optic apparatuses and related equipment and methods

• US 10,459,184 B2
• Filed: 04/05/2019
• Issued: 10/29/2019
• Est. Priority Date: 08/29/2008
• Status: Active Grant

• Current Assignee: Corning Optical Communications LLC (Corning Incorporated)
• Original Assignee: Corning Optical Communications LLC (Corning Incorporated)
• Inventors: Cooke, Terry Lee, Dean, Jr., David Lee, Staber, Harley Joseph, Strause, Kevin Lee, Ugolini, Alan William
• Primary Examiner(s): Stahl, Michael
• Application Number:
  US16/376,529
• Publication Number:
  US 20190243082A1
• Time in Patent Office: 207 Days
• Field of Search: None
• CPC Class Codes: G02B 6/4452 Distribution frames
• CPC Class Codes: G02B 6/44526 Panels or rackmounts covering a whole width of the frame or rack
• CPC Class Codes: G02B 6/44528 Patch-cords; Connector arrangements in the system or in the box routing arrangements H04Q1/00
• CPC Class Codes: G02B 6/4453 Cassettes

Abstract

High-connection density and bandwidth fiber optic apparatuses and related equipment and methods are disclosed. In certain embodiments, fiber optic apparatuses are provided and comprise a chassis defining one or more U space fiber optic equipment units. At least one of the one or more U space fiber optic equipment units may be configured to support particular fiber optic connection densities and bandwidths in a given 1-U space. The fiber optic connection densities and bandwidths may be supported by one or more fiber optic components, including but not limited to fiber optic adapters and fiber optic connectors, including but not limited to simplex, duplex, and other multi-fiber fiber optic components. The fiber optic components may also be disposed in fiber optic modules, fiber optic patch panels, or other types of fiber optic equipment.

Claims

1. A fiber optic apparatus, comprising:

a chassis configured to be disposed in an equipment rack, the chassis comprising front and rear ends that are spaced apart from one another in a longitudinal direction, and comprising opposite first and second ends that are spaced apart from one another in a lateral direction that extends crosswise to the longitudinal direction;

a plurality of fiber optic equipment trays supported by the chassis and extendable relative to the chassis in the longitudinal direction; and

a plurality of fiber optic modules configured to be installed in the plurality of fiber optic equipment trays, wherein each fiber optic module of the plurality of fiber optic modules comprises a front side configured to support a plurality of first fiber optic components, a rear side configured to support at least one second fiber optic component, an internal chamber, and a plurality of optical fibers disposed within the internal chamber and arranged to establish optical connections between the at least one second fiber optic component and the plurality of first fiber optic components;

wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive multiple fiber optic modules of the plurality of fiber optic modules;

wherein;

each fiber optic equipment tray is configured to slide in the longitudinal direction between a front position and a rear position;

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the front position; and

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the rear position;

wherein the plurality of fiber optic equipment trays and the plurality of fiber optic modules are configured to support a fiber optic connection density of at least ninety-eight (98) fiber optic connections per U space of the chassis, based on using a simplex fiber optic component or a duplex fiber optic component as each fiber optic component of the plurality of first fiber optic components; and

wherein a U space comprises a height of 1.75 inches and comprises a width of 19 inches or 23 inches.

2. The fiber optic apparatus of claim 1, wherein the front side of at least one fiber optic module of the plurality of fiber optic modules is configured to support twelve (12) duplex fiber optic components or twenty-four (24) simplex fiber optic components.

3. The fiber optic apparatus of claim 1, wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive a single row of multiple fiber optic modules of the plurality of fiber optic modules.

4. The fiber optic apparatus of claim 1, wherein each fiber optic module of the plurality of fiber optic modules is configured to be locked into place in a fiber optic equipment tray of the plurality of fiber optic equipment trays.

5. The fiber optic apparatus of claim 1, wherein the chassis is sized for more than one U space.

6. The fiber optic apparatus of claim 1, wherein the plurality of fiber optic equipment trays comprises three fiber optic equipment trays per U space of the chassis.

7. The fiber optic apparatus of claim 6, wherein the plurality of fiber optic equipment trays and the plurality of fiber optic modules are configured to support a fiber optic connection density of at least one hundred forty-four (144) fiber optic connections per U space of the chassis, based on using a simplex fiber optic component or a duplex fiber optic component as each fiber optic component of the plurality of first fiber optic components.

8. The fiber optic apparatus of claim 1, wherein:

each fiber optic equipment tray of the plurality of fiber optic equipment trays comprises first, second, and third module guide members extending upward from a bottom of the fiber optic equipment tray; and

each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive a first fiber optic module of the plurality of fiber optic modules between the first and second module guide members, and the fiber optic equipment tray is configured to receive a second fiber optic module of the plurality of fiber optic modules between the second and third module guide members.

9. The fiber optic apparatus of claim 8, wherein for each fiber optic equipment tray of the plurality of fiber optic equipment trays, each module guide member of the first, second, and third module guide members comprises a locking feature configured to cooperate with a fiber optic module of the first or second fiber optic modules to prevent movement of the fiber optic module relative to the fiber optic equipment tray.

10. A fiber optic apparatus, comprising:

a chassis configured to be disposed in an equipment rack, the chassis comprising front and rear ends that are spaced apart from one another in a longitudinal direction, and comprising opposite first and second ends that are spaced apart from one another in a lateral direction that extends crosswise to the longitudinal direction;

a plurality of fiber optic equipment trays supported by the chassis and extendable relative to the chassis in the longitudinal direction; and

a plurality of fiber optic modules configured to be installed in the plurality of fiber optic equipment trays, wherein each fiber optic module of the plurality of fiber optic modules comprises a front side, a rear side, an internal chamber, a plurality of first fiber optic adapters disposed through the front side, at least one second fiber optic adapter disposed through the rear side, and a plurality of optical fibers disposed within the internal chamber and extending from the at least one second fiber optic adapter to the plurality of first fiber optic adapters;

wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive multiple fiber optic modules of the plurality of fiber optic modules;

wherein;

each fiber optic equipment tray is configured to slide in the longitudinal direction between a front position and a rear position;

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the front position; and

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the rear position;

wherein the plurality of fiber optic equipment trays and the plurality of fiber optic modules are configured to support a fiber optic connection density of at least ninety-eight (98) fiber optic connections per U space of the chassis, based on using a simplex fiber optic adapter or a duplex fiber optic adapter as each fiber optic adapter of the plurality of first fiber optic adapters; and

wherein a U space comprises a height of 1.75 inches and comprises a width of 19 inches or 23 inches.

11. The fiber optic apparatus of claim 10, wherein the plurality of first fiber optic adapters is disposed through at least eighty-five percent (85%) of a width of the front side of at least one fiber optic module of the plurality of fiber optic modules.

12. The fiber optic apparatus of claim 10, wherein for each fiber optic module of the plurality of fiber optic modules, the plurality of first fiber optic adapters is configured to support twelve (12) duplex fiber optic adapters or twenty-four (24) simplex fiber optic adapters.

13. The fiber optic apparatus of claim 10, wherein for each fiber optic module of the plurality of fiber optic modules, each fiber optic adapter of the plurality of first fiber optic adapters comprises a simplex LC fiber optic adapter or duplex LC fiber optic adapter, and wherein the at least one second fiber optic adapter comprises at least one multi-fiber push-on (MPO) fiber optic adapter.

14. The fiber optic apparatus of claim 10, wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive a single row of multiple fiber optic modules of the plurality of fiber optic modules.

15. The fiber optic apparatus of claim 10, wherein each fiber optic module of the plurality of fiber optic modules is configured to be locked into place in a fiber optic equipment tray of the plurality of fiber optic equipment trays.

16. The fiber optic apparatus of claim 10, wherein the chassis is sized for more than one U space.

17. The fiber optic apparatus of claim 10, wherein the plurality of fiber optic equipment trays comprises three fiber optic equipment trays per U space of the chassis.

18. The fiber optic apparatus of claim 17, wherein the plurality of fiber optic equipment trays and the plurality of fiber optic modules are configured to support a fiber optic connection density of one hundred forty-four (144) fiber optic connections per U space of the chassis, based on using a simplex fiber optic adapter or a duplex fiber optic adapter as each fiber optic adapter of the plurality of first fiber optic adapters.

19. The fiber optic apparatus of claim 10, wherein:

each fiber optic equipment tray of the plurality of fiber optic equipment trays comprises first, second, and third module guide members extending upward from a bottom of the fiber optic equipment tray; and

each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive a first fiber optic module of the plurality of fiber optic modules between the first and second module guide members, and the fiber optic equipment tray is configured to receive a second fiber optic module of the plurality of fiber optic modules between the second and third module guide members.

20. The fiber optic apparatus of claim 19, wherein for each fiber optic equipment tray of the plurality of fiber optic equipment trays, each module guide member of the first, second, and third module guide members comprises a locking feature configured to cooperate with a fiber optic module of the first or second fiber optic modules to prevent movement of the fiber optic module relative to the fiber optic equipment tray.

21. The fiber optic apparatus of claim 10, wherein:

each fiber optic equipment tray of the plurality of fiber optic equipment trays includes a plurality of module guides for receiving the plurality of fiber optic modules; and

each fiber optic module of the plurality of fiber optic modules is configured to be locked into place on each fiber optic equipment tray of the plurality of fiber optic equipment trays by pushing the fiber optic module forward to a stop feature disposed in each module guide of the plurality of module guides.

22. A fiber optic apparatus, comprising:

a chassis configured to be disposed in an equipment rack, the chassis comprising front and rear ends that are spaced apart from one another in a longitudinal direction, and comprising opposite first and second ends that are spaced apart from one another in a lateral direction that extends crosswise to the longitudinal direction;

a plurality of fiber optic equipment trays supported by the chassis and extendable relative to the chassis in the longitudinal direction; and

a plurality of fiber optic modules configured to be installed in the plurality of fiber optic equipment trays, wherein each fiber optic module of the plurality of fiber optic modules comprises a front side configured to support a plurality of first fiber optic components, a rear side configured to support at least one second fiber optic component, an internal chamber, and a plurality of optical fibers disposed within the internal chamber and arranged to establish optical connections between the at least one second fiber optic component and the plurality of first fiber optic components;

wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive multiple fiber optic modules of the plurality of fiber optic modules;

wherein;

each fiber optic equipment tray is configured to slide in the longitudinal direction between a front position and a rear position;

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the front position; and

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the rear position;

wherein the chassis is sized for a 4-U space, in which a U space comprises a height of 1.75 inches and comprises a width of 19 inches or 23 inches; and

wherein the plurality of fiber optic equipment trays and the plurality of fiber optic modules are configured to support a fiber optic connection density of five hundred seventy-six (576) fiber optic connections in the 4-U space of the chassis, based on using a simplex fiber optic component or a duplex fiber optic component as each fiber optic component of the plurality of first fiber optic components.

23. The fiber optic apparatus of claim 22, wherein the front side of at least one fiber optic module of the plurality of fiber optic modules is configured to support twelve (12) duplex fiber optic components or twenty-four (24) simplex fiber optic components.

24. The fiber optic apparatus of claim 22, wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive a single row of multiple fiber optic modules of the plurality of fiber optic modules.

25. The fiber optic apparatus of claim 22, wherein each fiber optic module of the plurality of fiber optic modules is configured to be locked into place in a fiber optic equipment tray of the plurality of fiber optic equipment trays.

26. The fiber optic apparatus of claim 22, wherein:

each fiber optic equipment tray of the plurality of fiber optic equipment trays includes a plurality of module guides for receiving the plurality of fiber optic modules; and

each fiber optic module of the plurality of fiber optic modules is configured to be locked into place on each fiber optic equipment tray of the plurality of fiber optic equipment trays by pushing the fiber optic module forward to a stop feature disposed in each module guide of the plurality of module guides.

27. A fiber optic apparatus, comprising:

a chassis configured to be disposed in an equipment rack, the chassis comprising front and rear ends that are spaced apart from one another in a longitudinal direction, and comprising opposite first and second ends that are spaced apart from one another in a lateral direction that extends crosswise to the longitudinal direction;

a plurality of fiber optic equipment trays supported by the chassis and extendable relative to the chassis in the longitudinal direction; and

a plurality of fiber optic modules configured to be installed in the plurality of fiber optic equipment trays, wherein each fiber optic module of the plurality of fiber optic modules comprises a front side, a rear side, an internal chamber, a plurality of first fiber optic adapters disposed through the front side, at least one second fiber optic adapter disposed through the rear side, and a plurality of optical fibers disposed within the internal chamber and extending from the at least one second fiber optic adapter to the plurality of first fiber optic adapters;

wherein each fiber optic equipment tray of the plurality of fiber optic equipment trays is configured to receive multiple fiber optic modules of the plurality of fiber optic modules;

wherein;

each fiber optic equipment tray is configured to slide in the longitudinal direction between a front position and a rear position;

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the front position; and

the fiber optic apparatus is configured to permit at least one fiber optic module to be installed in the fiber optic equipment tray when the fiber optic equipment tray is in the rear position;

wherein the chassis is sized for a 4-U space, in which a U space comprises a height of 1.75 inches and comprises a width of 19 inches or 23 inches; and

wherein the plurality of fiber optic equipment trays and the plurality of fiber optic modules are configured to support a fiber optic connection density of five hundred seventy-six (576) fiber optic connections in the 4-U space of the chassis, based on using a simplex fiber optic adapter or a duplex fiber optic adapter as each fiber optic adapter of the plurality of first fiber optic adapters.

28. The fiber optic apparatus of claim 27, wherein the plurality of first fiber optic adapters is disposed through at least eighty-five percent (85%) of a width of the front side of at least one fiber optic module of the plurality of fiber optic modules.

29. The fiber optic apparatus of claim 27, wherein for each fiber optic module of the plurality of fiber optic modules, each fiber optic adapter of the plurality of first fiber optic adapters comprises a simplex LC fiber optic adapter or duplex LC fiber optic adapter, and wherein the plurality of first fiber optic adapters is configured to support twenty-four (24) fiber optic connections.