Fiber optic module

• US 7,367,823 B2
• Filed: 04/25/2006
• Issued: 05/06/2008
• Est. Priority Date: 12/23/2003
• Status: Expired due to Fees

• Current Assignee: CommScope Technologies, LLC (CommScope Holding Company, Inc.)
• Original Assignee: ADC Telecommunications Incorporated (TE Connectivity Limited)
• Inventors: Rapp, David E., Miller, Heidi L., Bolster, Kristofer J., Haataja, Timothy J.
• Primary Examiner(s): Prasad; Chandrika
• Application Number:
  US11/411,414
• Publication Number:
  US 20060193591A1
• Time in Patent Office: 742 Days
• Field of Search: 385/135, 385/136, 385/137, 385/134, 385/53, 385/57, 385/59, 385/89, 385/25
• US Class Current: 439/137
• CPC Class Codes: G02B 6/4452 Distribution frames
• CPC Class Codes: G02B 6/44524 with frame parts or auxiliary devices mounted on the frame and collectively not covering a whole width of the frame or rack cassettes G02B6/4453
• CPC Class Codes: G02B 6/44526 Panels or rackmounts covering a whole width of the frame or rack
• CPC Class Codes: G02B 6/4453 Cassettes

Abstract

A fiber optic telecommunications frame is provided including termination modules positioned on left and right sides of the frame. The frame further includes left and right vertical cable guides. The frame includes a horizontal passage linking the left and right panels and the cable guides. The termination modules hold fiber optic modules with front termination locations. The fiber optic modules can house couplers, such as splitters, combiners, and wave length division multiplexers. A retention mechanism retains each fiber optic module in a partially removed position from the termination module.

Claims

1. A fiber optic module adapted to be held by a frame, the fiber optic module comprising:

a housing including two spaced-apart major sides extending parallel to one another, the major sides interconnected by two spaced-apart minor sides extending parallel to one another, the major and minor sides extending between front and rear ends of the housing, the front end being open and defined by edges of the two major sides and the two minor sides, each of the major sides including a plurality of apertures at the front end;

a plurality of fiber optic adapters mounted to the front end, each adapter including at least one projection, each projection received in one of the apertures in the major sides;

a first side flange extending from one of the two spaced-apart major sides beyond one of the two spaced-apart minor sides, the first side flange being parallel with the two spaced-apart major sides, and the first side flange extending along a direction running between the front end of the housing and the rear end of the housing;

a second side flange extending from the one major side beyond the other of the two spaced-apart minor sides, the second side flange being parallel with the two spaced-apart major sides, and the second side flange extending along a direction running between the front end of the housing and the rear end of the housing; and

fiber optic circuitry within the housing optically connecting at least two of the fiber optic adapters mounted to the front end.

2. The fiber optic module of claim 1, further comprising front flanges on opposite ends of the front end, one of front flanges including a latch for latching the front end of the housing to the frame.

3. The fiber optic module of claim 1, wherein the first and second side flanges are planar with the one major side.

4. The fiber optic module of claim 1, wherein one of the minor sides includes first and second round openings, the first opening positioned further from the rear end than the second opening, each of the first and second openings sized to receive a ball end of a spring loaded ball plunger.

5. The fiber optic module of claim 4, wherein the first opening is smaller than the second opening.

6. The fiber optic module of claim 1, wherein the fiber optic circuitry comprises:

at least one internal cable extending from a first end to a second end, the first end being plugged into a rear port of one of the fiber optic adapters; and

a passive optical device to which the second end of the internal cable is optically coupled.

7. The fiber optic module of claim 6, wherein the passive optical device comprises an optical splitter.

8. The fiber optic module of claim 6, wherein the passive optical device comprises a straight through connector.

9. A fiber optic module adapted to be held by a frame, the fiber optic module comprising:

a housing including two spaced-apart major sides extending parallel to one another, the major sides interconnected by two spaced-apart minor sides, extending parallel to one another, the major and minor sides extending between front and rear ends of the housing, the rear end being closed to define an interior of the housing, the front end being open and defined by edges of the two major sides and the two minor sides, each of the major sides including a plurality of apertures at the front end;

front flanges on opposite ends of the front end, one of the front flanges including a latch for latching the front end of the housing to the frame; and

two side flanges being coplanar with one of the major sides, the side flanges extending along a direction running between the front end of the housing and the rear end of the housing.

10. The fiber optic module of claim 9, further comprising:

a plurality of fiber optic adapters mounted to the front end, each adapter including two projections, each projection received in one of the apertures in each of the major sides;

a fiber optic coupler mounted within the interior of the housing; and

cables connecting the fiber optic adapters and the fiber optic coupler.

11. The fiber optic module of claim 9, wherein a first one of the major sides includes a cover portion defining the two side flanges, wherein the first major side further includes a front extension separate from the cover portion which defines the plurality of apertures at the front end, wherein a second one of the major sides and the two minor sides are formed of a single housing construction, and further comprising fasteners for connecting the front extension and the cover portion to the single housing construction.

12. The fiber optic module of claim 11, wherein the front extension is adjustably mounted by the fasteners to the single housing construction, wherein a spacing between the front extension and the second major side is variable.

13. The fiber optic module of claim 9, wherein at least one of the two minor sides defines an opening configured to receive a portion of a ball spring.

14. The fiber optic module of claim 10, further comprising at least one blank mounted to the front end, each blank including at least one projection received in one of the apertures in one of the major sides.

15. A fiber optic module adapted to be held by a frame, the frame defining an open front opposite a closed rear, the frame including a longitudinal guide extending between the open front and the closed rear, the fiber optic module comprising:

a housing including two spaced-apart major sides extending parallel to one another, the major sides interconnected by two spaced-apart minor sides extending parallel to one another, the major and minor sides extending longitudinally between front and rear ends of the housing, the front end being open and defined by edges of the two major sides and the two minor sides;

a plurality of fiber optic adapters mounted to the front end, each of the fiber optic adapters extending from a front end to a rear end; and

a first side flange extending substantially coplanar to one of the two major sides, the first side flange configured to slide along a longitudinal guide of the frame to enable the housing to move forwardly, towards the front end of the adapters, and rearwardly, towards the rear end of the adapters, with respect to the frame.

16. The fiber optic module of claim 15, further comprising fiber optic circuitry within the housing optically connecting at least two of the fiber optic adapters mounted to the front end.