Optical splice and termination module

Patent metadata

Field	Value
Publication number	US-11372186-B2
Application number	US-201816603098-A
Country	US
Kind code	B2
Filing date	Apr 4, 2018
Priority date	Apr 4, 2017
Publication date	Jun 28, 2022
Grant date	Jun 28, 2022

Abstract

An optical module includes a housing; an optical adapter arrangement disposed at the housing; a cable inlet leading from an exterior of the housing to the interior of the housing; and a splice location disposed within the interior of the housing. Optical pigtails extend from the optical adapter arrangement to the splice location. Certain types of modules have a removable splice tray having a bend radius limiting arrangement surrounding multiple splice channels. Certain types of modules have first and second chambers separated by a wall defining a pass-through aperture.

First claim

What is claimed is:

1. An optical module comprising:
a housing defining an interior including a first chamber and a second chamber, wherein a wall divides the first chamber from the second chamber, the wall defining a window or notch that enables optical fibers to extend from a first cable inlet to the second chamber and/or to extend from a second cable inlet to the first chamber;
a first optical adapter arrangement disposed at the first chamber of the housing, the first optical adapter arrangement having inner ports accessible from the interior of the housing and outer ports accessible from an exterior of the housing;
a second optical adapter arrangement disposed at the second chamber of the housing;
the first cable inlet leading from an exterior of the housing to the interior of the housing, the first cable inlet being configured to receive an optical cable including a plurality of optical fibers;
a first splice location disposed within the first chamber of the housing;
a second splice location disposed within the second chamber of the housing; and
a removable splice tray disposed within the interior of the housing at the first splice location, the splice tray defining a splice channel sized to receive an optical splice, the splice tray also defining a bend radius limiting arrangement surrounding the splice channel, the splice tray being elongate along a major dimension and having a minor dimension that is transverse to the major dimension, the splice channel being angled relative to both the major and minor dimensions.

2. The module of claim 1 , wherein the splice channel is sized to receive a mass fusion splice.

3. The module of claim 1 , wherein the splice channel is one of a plurality of splice channels of the removable splice tray.

4. The module of claim 3 , wherein the splice channels include a first splice channel that crosses with a second splice channel.

5. The module of claim 1 , wherein the bend radius limiting arrangement of the removable splice tray does not include any outer support structure.

6. The module of claim 1 , wherein the housing includes a base and a cover that cooperate to define the interior.

7. The module of claim 6 , wherein the cover is fully removable from the base.

8. The module of claim 1 , wherein the first cable inlet is disposed at an opposite end of the housing from the first and second optical adapter arrangements.

9. The module of claim 1 , wherein the housing defines a routing channel at an opposite end of the housing from the first optical adapter arrangement, the routing channel leading from the first splice location to the first cable inlet.

10. The module of claim 1 , wherein the first cable inlet leads to the first chamber; and wherein the second cable inlet leads to the second chamber.

11. The module of claim 1 , wherein the first chamber has a base that is planar with a base of the second chamber.

12. The module of claim 1 , wherein the first chamber is disposed side-by-side with the second chamber.

13. The module of claim 1 , further comprising a plurality of optical pigtails disposed on the splice tray, the optical pigtails extending from unterminated ends to connectorized ends, the unterminated ends being disposed at the first splice location, the connectorized ends being plugged into the inner ports of the first optical adapter arrangement.

14. The module of claim 13 , wherein the housing includes a management spool around which excess length of the optical pigtails can be stored.

15. The module of claim 14 , wherein the management spool is monolithically formed with part of the housing.

16. The module of claim 13 , further comprising a separator disposed within the interior of the housing, the separator disposed over a portion of the optical pigtails extending from the inner ports of the first optical adapter arrangement; wherein the removable splice tray is disposed over the separator.

17. The module of claim 16 , wherein the removable splice tray is mounted at a management spool within the housing.

18. The module of claim 17 , wherein the management spool includes cable retention fingers; and wherein a portion of the removable splice tray seats on the cable retention fingers and another portion of the removable splice tray seats on the separator.

19. The module of claim 16 , further comprising guide fingers disposed between the first splice location and the first optical adapter arrangement, the guide fingers being sufficiently spaced to enable the optical pigtails routed to the inner ports of the first optical adapter arrangement to pass therebetween.

20. The module of claim 19 , wherein the guide fingers extend through holes of the separator to align the separator with the housing.

21. The module of claim 16 , wherein a support ring is disposed in the housing, the support ring not being sufficiently high to provide bend radius protection for the optical pigtails.

22. The module of claim 21 , wherein the separator rests on the support ring.

23. An optical module comprising:
a housing defining an interior divided into a first chamber and a second chamber by a wall, the wall defining a pass-through aperture providing access between the first and second chambers, the wall inhibiting any access between the first and second chambers except through the pass-through aperture;
a first cable inlet leading from an exterior of the housing to the first chamber;
a second cable inlet leading from the exterior of the housing to the second chamber;
a first adapter arrangement disposed at the first chamber of the housing, the first adapter arrangement having inner ports accessible from the first chamber and outer ports accessible from the exterior of the housing;
a second adapter arrangement disposed at the second chamber of the housing, the second adapter arrangement having inner ports accessible from the second chamber and outer ports accessible from the exterior of the housing;
a first splice location disposed within the first chamber;
a second splice location disposed within the second chamber;
a plurality of first optical pigtails extending from unterminated ends to connectorized ends, the unterminated ends being disposed at the first splice location, the connectorized ends being plugged into the inner ports of the first optical adapter arrangement; and
a plurality of second optical pigtails extending from unterminated ends to connectorized ends, the unterminated ends being disposed at the second splice location, the connectorized ends being plugged into the inner ports of the second optical adapter arrangement.

24. The module of claim 23 , further comprising a first splice tray disposed at the first splice location and a second splice tray disposed at the second splice location, each splice tray defining a splice channel sized to receive an optical splice.

25. The module of claim 24 , wherein each of the first and second splice trays defines a bend radius limiting arrangement that protects slack length of the respective optical pigtails.

26. The module of claim 24 , wherein each chamber of the housing includes a respective first bend radius limiting arrangement and second bend radius limiting arrangement; wherein the respective splice location is disposed between the respective first and second bend radius limiting arrangements.

27. The module of claim 26 , wherein the first bend radius limiting arrangement of each chambe

Assignees

• Commscope Technologies Llc

Inventors

• Schoenfelder Rodney C
• Johnsen David J
• Holmberg Matthew J
• Pomroy Jackson Ray

Classifications

• G02B6/4478

  Bending relief means · CPC title

• G02B6/3616

  Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench (supporting carriers of a microbench type G02B6/3648; micromanipulators B25J7/00; cassettes, bobbins G02B6/4439) · CPC title

• G02B6/4454 Primary

  with splices · CPC title

• G02B6/4457

  Bobbins; Reels · CPC title