High density optical fiber distribution frame with modules

• US 7,142,765 B2
• Filed: 06/13/2005
• Issued: 11/28/2006
• 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:
  US11/151,932
• Publication Number:
  US 20050232566A1
• Time in Patent Office: 533 Days
• Field of Search: 385/134, 385/135, 385/136, 385/137
• US Class Current: 385/137
• 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 distribution frame comprising:

(a) a rack extending vertically from a bottom to a top, the rack defining a left side, a right side, a front, and a rear;

(b) a left vertical cable guide with a side access, the left vertical cable guide positioned on the left side of the rack, and a right vertical cable guide with a side access, the right vertical cable guide positioned on the right side of the rack;

(c) a cable termination area positioned on the rack including;

(1) a first area defining at least one array of termination locations on a front portion, the first area positioned on the left side of the rack adjacent to the left vertical cable guide, the at least one array including a plurality of rows and columns of the termination locations;

(2) a second area defining at least one array of termination locations on a front portion, the second area positioned on the right side of the rack adjacent to the right vertical cable guide, the at least one array including a plurality of rows and columns of the termination locations;

(d) wherein the first and second areas are each defined by at least one termination module mounted to the rack, each termination module including;

(1) a housing having first and second spaced-apart ends, and first and second spaced-apart sides extending between the ends, the housing including a rear extending between the first and second ends and the first and second sides to define an interior, the housing defining an open front, with the first and second ends extending horizontally, and the first and second sides extending generally vertically;

(2) a plurality of panels mounted so as to close the open front, each panel including at least one opening arranged and sized for holding at least one adapter to define the termination locations, the adapters being sized for mounting to cable connectors;

(3) wherein the housing includes a plurality of panel holders, and wherein each of the panels further include a plurality of front adapters, a fiber optic coupler, and cables connecting the front adapters to the fiber optic coupler;

(4) wherein the panels each include a longitudinal guide, and wherein the panel holders include a vertical array of mating longitudinal guides for receiving the longitudinal guides of the panels;

(e) a horizontal passageway positioned on the rack extending between the right vertical cable guide, and the left vertical cable guide;

(f) wherein the panels are selectively, partially removable from the respective termination module;

(g) a retention mechanism for retaining the panels when each panel is partially removed from the respective termination module.

2. The frame of claim 1, wherein the panels are each positioned at a non-perpendicular angle relative to a vertical plane defined by the front of the rack, a first panel angled toward the left side of the rack, a second panel angled toward the right side of the rack.

3. The frame of claim 1, wherein a first termination module includes a first vertical array of extensions positioned adjacent to the side access of the left vertical cable guide, and wherein a second termination module includes a second vertical array of extensions positioned adjacent to the side access of the right vertical cable guide, an extension in each of the first and second vertical arrays of extensions being provided for each row of termination locations of the respective first and second areas.

4. The frame of claim 1, wherein each panel defines a front end of a fiber optic module, each fiber optic module 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 the front end and a rear end of the fiber optic module, the front end being defined by edges of the two major sides, each of the major sides including a plurality of apertures at the front end.

5. The frame of claim 4, wherein a first one of the major sides of each of the fiber optic modules includes a cover portion defining the longitudinal guide, 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 including fasteners for connecting the front extension and the cover portion to the single housing construction.

6. The frame of claim 5, wherein the front extension is adjustably mounted by the fasteners to the single housing construction, and wherein a spacing between the front extension and the second one of the major sides is variable.

7. The frame of claim 4, wherein the retention mechanism includes a spring biased ball plunger.

8. The frame of claim 7, wherein one of the spaced-apart minor sides of each of the fiber optic modules 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 the spring biased ball plunger.

9. The frame of claim 8, wherein the first opening is smaller than the second opening.

10. The frame of claim 1, wherein the retention mechanism includes a spring biased ball plunger.