Granted Patent B2

US 7,359,613 · App. 11/438,559 · Granted Apr 15, 2008

Abstract

Claims (48)

1. An optical fiber termination apparatus for taut sheath splicing, comprising:

a housing configured to be positioned around a section of an optical fiber cable with an uncut strength member of the optical fiber cable and/or a plurality of uncut and un-looped fibers of the optical fiber cable extending therethrough, the housing having a first opening at a first end thereof for receiving the optical fiber cable and a second opening at a longitudinally displaced second end thereof for receiving the optical fiber cable;

a severed fiber chamber in the housing configured to receive ends of at least one optical fiber from the optical fiber cable;

a fiber access opening in a face of the housing between the first and second end of the housing that opens to the severed fiber chamber, the fiber access opening being configured to interchangeably receive one of a plurality of differently configured covers; and

the plurality of covers, each having a standard footprint configured to be interchangeably received in the fiber access opening, including a connector free first cover, a second cover including a drop cable connector and/or a third cover including a plurality of termination connectors, wherein the drop cable connector and termination connectors include a back fiber connection member configured to receive the ends when positioned in the fiber access opening.

2. The optical fiber termination apparatus of claim 1 , wherein the ends of the at least one optical fiber from the optical fiber cable are connectorized ends.

3. The optical fiber termination apparatus of claim 1 , wherein the housing comprises a wrap-around housing.

4. The optical fiber termination apparatus of claim 1 , wherein the plurality of covers are configured to be received in the opening and form an environmental seal with the housing and wherein the apparatus further comprises environmental seal members in the ends of the housing that provide an environmental seal between the optical fiber cable and the housing.

5. The optical fiber termination apparatus of claim 1 , wherein the at least one optical fiber from the optical fiber cable extends within the housing with no loops therein.

6. The optical fiber termination apparatus of claim 1 , wherein the connectorized ends of the at least one optical fiber comprises a SC connector and/or a FC connector.

7. The optical fiber termination apparatus of claim 1 , further comprising:

a splice chamber in the housing, the at least one optical fiber extending from the optical fiber cable in the splice chamber to the severed fiber chamber, wherein the splice chamber is environmentally sealed from the severed fiber chamber.

8. The optical fiber termination apparatus of claim 7 , further comprising a splice tray positioned in the splice chamber that optically couples the connectorized ends to respective ones of the optical fibers in the optical fiber cable.

9. The optical fiber termination apparatus of claim 1 , further comprising a bend control member on at least one of the ends of the housing with the optical fiber cable extending therein, wherein the bend control member being configured to control a bend radius of the optical fiber cable entering the housing.

10. The optical fiber termination apparatus of claim 9 , wherein the bend control member comprises a tapered resilient member tapering from the housing to a selected position on the optical fiber cable displaced from the housing.

11. The optical fiber termination apparatus of claim 1 , wherein the at least one optical fiber comprises at least four optical fibers.

12. The optical fiber termination apparatus of claim 1 wherein the plurality of covers includes a cover including a plurality of termination connectors and wherein the termination connectors have a closable front fiber connection member on a face thereof extending from the housing and wherein the severed fiber chamber is environmentally sealed when the front fiber connection member is closed.

13. The optical fiber termination apparatus of claim 12 further comprising a seal member positioned between each of the termination connectors and the cover including a plurality of termination connectors and wherein the severed fiber chamber is environmentally sealed by the seal member.

14. An optical fiber termination apparatus for taut sheath splicing, comprising:

a housing configured to be positioned around a section of an optical fiber cable with an uncut strength member of the optical fiber cable and/or a plurality of uncut and un-looped fibers of the optical fiber cable extending therethrough, the housing having a first opening at a first end thereof for receiving the optical fiber cable and a second opening at a longitudinally displaced second end thereof for receiving the optical fiber cable;

a severed fiber chamber in the housing configured to receive ends of at least one optical fiber from the optical fiber cable;

a fiber access opening in a face of the housing between the first and second end of the housing that opens to the severed fiber chamber, the fiber access opening being configured to and second end of the housing that opens to the severed fiber chamber, the fiber access opening being configured to interchangeably receive each of a plurality of differently configured covers, including a connector free first cover, a second cover including a drop cable connector and/or a third cover including a plurality of termination connectors, wherein the drop cable connector and termination connectors include a back fiber connection member configured to receive the ends when positioned in the fiber access opening.

15. The optical fiber termination apparatus of claim 14 , wherein the ends of the at least one optical fiber from the optical fiber cable are connectorized ends.

16. A factory preterminated optical fiber cable including a plurality of optical fiber termination apparatus for taut sheath splicing positioned at selected locations along a length thereof, the optical fiber cable being spooled with the optical fiber termination apparatus thereon, each of the optical fiber termination apparatus comprising:

a housing configured to be positioned around a section of an optical fiber cable with an uncut strength member of the optical fiber cable and/or a plurality of uncut and un-looped fibers of the optical fiber cable extending therethrough, the housing having a first opening at a first end thereof for receiving the optical fiber cable and a second opening at a longitudinally displaced second end thereof for receiving the optical fiber cable;

an optical fiber connector positioned in a wall of the housing and optically coupling an optical fiber from the optical fiber cable to a front fiber connection member of the optical fiber connector accessible from outside the housing.

17. The optical fiber termination apparatus of claim 16 , wherein the front fiber connection member comprises a closable front fiber connection member on a face of the optical fiber connector extending from the housing and wherein the housing is environmentally sealed when the front fiber connection member is closed.

18. The optical fiber termination apparatus of claim 16 wherein the optical fiber connector comprises a plurality of optical fiber connectors.

19. An optical fiber termination kit for taut sheath splicing, comprising:

a plurality of differently configured covers having a standard footprint configured to be interchangeably received in a fiber access opening of a housing having an uncut strength member of the optical fiber cable and/or a plurality of uncut and un-looped fibers of the optical fiber cable extending therethrough, the covers including at least a first cover including a drop cable connector and/or a second cover including a plurality of termination connectors, wherein the drop cable connector and termination connectors include a back fiber connection member configured to receive an end of at least one optical fiber from the optical fiber cable when positioned in the fiber access opening.

20. The optical fiber termination kit of claim 19 , wherein the end of the at least one optical fiber from the optical fiber cable is a connectorized end.

21. A method of terminating optical fiber comprising:

positioning an optical fiber termination apparatus housing around a section of an optical fiber cable with an uncut strength member of the optical fiber cable and/or a plurality of uncut and un-looped fibers of the optical fiber cable extending therethrough, the housing having a first opening at a first end thereof for receiving the optical Fiber cable and a second opening at a longitudinally displaced second end thereof for receiving the optical fiber cable and having a severed fiber chamber in the housing configured to receive ends of at least one optical fiber from the optical fiber cable and a fiber access opening in a face of the housing between the first and second end of the housing that opens to the severed fiber chamber, the fiber access opening being configured to interchangeably receive one of a plurality of differently configured covers;

routing a selected plurality of optical fibers from the optical fiber cable to the severed fiber chamber;

preterminating ones of the routed optical fibers with a standard end connector;

selecting one of the plurality of covers having a standard footprint configured to be received in the fiber access opening, including a connector free first cover, a second cover including a drop cable connector and/or a third cover including a plurality of termination connectors, wherein the drop cable connector and termination connectors include a back fiber connection member configured to receive the standard end connector when positioned in the fiber access opening;

coupling the standard end connectors of at least one of the optical fibers to a corresponding back fiber connector member; and

connecting the selected cover in the fiber access opening.

22. The method of claim 21 wherein selecting one of the plurality of covers comprises:

selecting the connector free cover and coupling the connector free cover to the housing in the fiber access opening in a factory while preterminating the optical fiber cable; and then

selecting the cover including a drop cable connector or the cover including a plurality of termination connectors during deployment of the optical fiber cable; and

wherein connecting the selected cover comprises connecting the selected cover including a drop cable connector or a plurality of termination connectors during deployment of the optical fiber cable.

23. An optical fiber termination apparatus for taut sheath splicing, comprising:

a housing configured to enclose a section of an optical fiber cable with an uncut strength member of the optical fiber cable and/or a plurality of uncut and un-looped fibers of the optical fiber cable extending therethrough;

a severed fiber chamber in the housing configured to receive ends of at least one optical Fiber from the optical fiber cable;

a fiber access opening in the housing; and

a plurality of differently configured covers having a standard footprint configured to be interchangeably received in the fiber access opening, including a connector free first cover, a second cover including a drop cable connector and/or a third cover including a plurality of termination connectors, wherein the drop cable connector and termination connectors include a back fiber connection member configured to receive the ends when positioned in the fiber access opening.

24. The optical fiber termination apparatus of claim 23 , wherein the ends of the at least one optical fiber from the optical fiber cable are connectorized ends.

Assignments (12)