Stackable splitters

• US 10,514,519 B2
• Filed: 01/13/2017
• Issued: 12/24/2019
• Est. Priority Date: 01/14/2016
• Status: Active Grant

• Current Assignee: PPC Broadband Incorporated (Belden Inc.)
• Original Assignee: PPC Broadband Incorporated (Belden Inc.)
• Inventors: Larsson, Nicholas B., Wakileh, George I., Gamboa, Joselyn Gabriela
• Primary Examiner(s): Kim, Ellen E
• Application Number:
  US16/068,746
• Publication Number:
  US 20190025533A1
• Time in Patent Office: 1,075 Days
• CPC Class Codes: G02B 6/4441 Boxes
• CPC Class Codes: G02B 6/4454 with splices

Abstract

Examples of optical splitter systems, methods and modules enable the stacking and interconnecting of one or more optical splitter modules. One example of a splitter module has a housing and one or more connection members for connecting to adjacent instances of like splitter modules. The housing includes a plurality of cable ports providing access to an optical splitter storage area. Each connection member includes a tab and a slot, the tab configured to slidingly engage with the slot of an adjacent connection member. Sliding engagement of adjacent instances of splitter modules can form a stack of splitter modules along a stacking axis. In some cases a splitter module includes a latching mechanism to removably engage an adjacent splitter module. The latching mechanism can restrict sliding engagement and thus decoupling of the adjacent splitter modules.

Claims

1. A cable splitter module, comprising:

a housing having a length extending along a longitudinal axis of the housing, a width extending transverse to the longitudinal axis along a width axis, and a stacking axis that is perpendicular to the longitudinal axis and to the width axis, the housing comprising

an optical splitter storage area,

a plurality of cable ports providing access to the optical splitter storage area for a plurality of optical fiber cables,

a first end wall at a first end of the housing,

a second end wall at a second end of the housing opposite the first end of the housing,

a first side wall at a first side of the housing, and

a second side wall at a second side of the housing opposite the first side of the housing; and

a connection member at the first side of the housing, the connection member comprising

a rigid wall member having a first end and a second end, the second end comprising a tab projecting from the wall member and the first end comprising a notch, and

a slot extending substantially parallel to the longitudinal axis of the housing;

wherein the connection member is configured to connect to an adjacent instance of the connection member on an adjacent cable splitter module;

wherein the notch of the adjacent connection member is configured to provide passage for the tab of the connection member to access the slot of the adjacent connection member, and the tab of the connection member is configured to slidingly engage with the slot of the adjacent connection member in a first connection configuration that restricts relative movement of the cable splitter module and the adjacent cable splitter module along the stacking axis; and

wherein the notch of the connection member is configured to provide passage for the tab of the adjacent connection member to access the slot of the connection member, and the slot of the connection member is configured to slidingly engage with the tab of the adjacent connection member in a second connection configuration that restricts relative movement of the cable splitter module and the adjacent cable splitter module along the stacking axis;

whereby the cable splitter module is connectable to the adjacent instance of the cable splitter module to form a stack of connected cable splitter modules along the stacking axis.

2. The cable splitter module of claim 1, wherein the connection member is a first side connection member, and further comprising

a second side connection member at the second side of the housing opposite from the first side connection member, the second side connection member comprising

a rigid wall member having a first end and a second end comprising a tab projecting from the wall member, and

a slot extending substantially parallel to the longitudinal axis of the housing;

wherein the second side connection member is configured to connect to an adjacent instance of the second side connection member on the adjacent cable splitter module;

wherein the tab of the second side connection member is configured to slidingly engage with the slot of the adjacent second side connection member in the first connection configuration to restrict relative movement along the stacking axis; and

wherein the slot of the second side connection member is configured to slidingly engage with the tab of the adjacent second side connection member in the second connection configuration to restrict relative movement along the stacking axis.

3. The cable splitter module of claim 2, wherein the sliding engagement of the first side connection members and the second side connection members restricts side-to-side movement of the cable splitter module and the adjacent cable splitter module in a direction of the width axis.

4. The cable splitter module of claim 2, wherein each of the first and second side connection members comprises an outer wall member that forms part of the respective slot, the outer wall member comprising a notch configured to selectively receive the tab of the respective adjacent connection member.

5. The cable splitter module of claim 2, wherein the first side connection member and the second side connection member form a first connection member pair, and further comprising a second connection member pair comprising another first side connection member and another second side connection member.

6. The cable splitter module of claim 1, wherein the first end of the rigid wall member of the connection member is configured to mate with the second end of the rigid wall member of the adjacent connection member, and wherein the first end of the rigid wall member of the adjacent connection member is configured to mate with the second end of the rigid wall member of the connection member, whereby mating of the ends of the rigid wall members supports the stacking of the cable splitter module and the adjacent cable splitter module along the stacking axis.

7. The cable splitter module of claim 1, further comprising a latching mechanism at the first end of the housing;

wherein the adjacent cable splitter module has a corresponding adjacent instance of the latching mechanism;

wherein the latching mechanism is configured to removably engage the adjacent latching mechanism in one of the first connection configuration and the second connection configuration; and

wherein the latching mechanism is configured to removably engage the adjacent latching mechanism in the other of the first connection configuration and the second connection configuration;

whereby engagement of the respective latching mechanisms stops sliding disengagement of the cable splitter module and the adjacent cable splitter module.

8. The cable splitter module of claim 7, further comprising a locking mechanism for selectively locking the latching mechanism to prevent disengagement of the cable splitter module from the adjacent cable splitter module.

9. The cable splitter module of claim 1, further comprising an optical splitter assembly positioned within the optical splitter storage area, and a plurality of fiber leads connected to the optical splitter assembly, wherein each of the cable ports provides access to one of the fiber leads.

10. The cable splitter module of claim 9, further comprising a plurality of cable assemblies, wherein each cable assembly is connected to one of the fiber leads, wherein each cable assembly extends outside the housing through one of the cable ports, and wherein each cable assembly is terminated outside the housing by an optical fiber connection member.

11. The cable splitter module of claim 9, further comprising a plurality of cable adapters mounted within the plurality of cable ports, wherein each of the fiber leads is terminated inside the housing by an optical fiber connection member configured to connect with one of the cable adapters.

12. An optical splitter stacking system, comprising:

an optical splitter housing comprising

a bottom planar wall and a top planar wall,

an optical splitter storage area located between the bottom planar wall and the top planar wall,

a plurality of connection members comprising a linear arrangement of first side connection members and a linear arrangement of second side connection members,

a first side wall comprising the linear arrangement of first side connection members,

a second side wall comprising the linear arrangement of second side connection members,

a third side wall comprising a cable port providing access to the optical splitter storage area, and

a fourth side wall comprising a plurality of cable ports providing access to the optical splitter storage area; and

a latching mechanism at the third side wall;

wherein each of the first and second side connection members comprises a rigid wall member having a first end and a second end, the first end at least partially defining a slot extending along a portion of the corresponding first side wall or the second side wall, and the second end comprising a tab projecting from the rigid wall member;

wherein each of the connection members are configured to slidingly engage with corresponding connection members on an additional instance of the optical splitter housing, to form a stacked arrangement of optical splitter housings;

wherein the latching mechanism is configured to removably engage an additional instance of the latching mechanism on the additional instance of the optical splitter housing to selectively stop sliding disengagement of the optical splitter housing from the additional instance of the optical splitter housing;

wherein the latching mechanism comprises a latch tab and a strike tab spaced apart from the latch tab;

wherein the latch tab is configured to slidingly and removably engage the strike tab on the corresponding additional latching mechanism in a first connection configuration; and

wherein the strike tab is configured to slidingly and removably engage the latch tab on the additional latching mechanism in a second connection configuration.

13. The optical splitter stacking system of claim 12, wherein the latch tab comprises a protrusion that engages the strike tab of the additional latching mechanism, and wherein the latch tab comprises a flexible material that enables deflection of the latch tab and the protrusion relative to the strike tab of the additional latching mechanism.

14. The optical splitter stacking system of claim 12, wherein each of the connection members comprises an outer wall member that forms part of the respective slot, the outer wall member comprising a notch configured to receive the tab of the respective additional connection member of the additional optical splitter housing.

15. The optical splitter stacking system of claim 12, wherein the first end of the rigid wall member of each connection member is configured to mate with the second end of the rigid wall member of the additional connection member on the additional optical splitter housing, and wherein the first end of the rigid wall member of the additional connection member is configured to mate with the second end of the rigid wall member of each connection member, whereby mating of the ends of the rigid wall members supports the stacking of the cable splitter module and the additional cable splitter module along the stacking axis.

16. The optical splitter stacking system of claim 12, further comprising an optical splitter assembly positioned within the optical splitter storage area, a plurality of fiber leads connected to the optical splitter assembly, and a plurality of cable assemblies, wherein each cable assembly is connected to one of the fiber leads, wherein each cable assembly extends outside the housing through one of the cable ports, and wherein each cable assembly is terminated outside the housing by an optical fiber connection member.

17. The optical splitter stacking system of claim 12, further comprising a plurality of cable adapters mounted within the plurality of cable ports for connecting fiber leads of an optical splitter assembly inside the housing.

18. A method for arranging optical splitter modules, comprising:

positioning a first optical splitter module next to a second optical splitter module, each of the first and second optical splitter modules comprising

an enclosure housing an optical splitter assembly,

a plurality of connection members comprising a linear arrangement of first side connection members located along a first side of the enclosure and a linear arrangement of second side connection members located along a second side of the enclosure, and

a plurality of cable ports providing access to the optical splitter assembly for a plurality of optical fiber cables; and

slidingly engaging the first optical splitter module with the second optical splitter module, the slidingly engaging comprising

inserting a tab on each connection member on the first optical splitter module into a slot of each connection member on the second optical splitter module, and

sliding each tab within each respect slot, the sliding occurring parallel to the linear arrangements of first side and second side connection members, thereby sliding the first and second optical splitter modules together into a stacked arrangement; and

latching the first optical splitter module to the second optical splitter module to selectively prevent the optical splitter modules from sliding apart, the latching comprising

engaging a single latch tab on the first optical splitter module with a single strike tab on the second optical splitter module,

wherein locking engagement of the single latch tab and the single strike tab is configured to lock the first and second optical splitter modules together in the stacked arrangement.