Methods and systems for distributing fiber optic telecommunications services to local area

Patent metadata

Field	Value
Publication number	US-9632273-B2
Application number	US-201615241785-A
Country	US
Kind code	B2
Filing date	Aug 19, 2016
Priority date	Jun 19, 2008
Publication date	Apr 25, 2017
Grant date	Apr 25, 2017

Abstract

A fiber optic drop terminal assembly includes a housing, a spool and a fiber optic distribution cable. The housing has a first exterior surface and an oppositely disposed second exterior surface. A plurality of ruggedized adapters is mounted on the first exterior surface of the housing. The ruggedized adapters include a first port accessible from outside the housing and a second port accessible from inside the housing. The spool is engaged with the second exterior surface and includes a drum portion. The fiber distribution cable is coiled around the drum portion. The distribution cable includes a first end and an oppositely disposed second end. The second end is disposed inside the housing.

First claim

What is claimed is:

1. A fiber optic cable spooling system comprising:
a first spool including first and second radial flanges and a drum portion positioned axially between the first and second radial flanges, the drum portion having an exterior surface;
a second spool carried on the first spool, the second spool including a core that is coaxially aligned with the drum portion of the first spool; the second spool further including front and back radial flanges positioned at front and back axial ends of the core;
a removable ruggedized terminal mounted on the second spool, the ruggedized terminal including an environmentally sealed terminal housing that defines an enclosed interior, the ruggedized terminal also including a plurality of ruggedized fiber optic adapters carried with the terminal housing, each one of the plurality of ruggedized fiber optic adapters including an exterior adapter port accessible from outside the terminal housing and an interior adapter port inside the terminal housing; and
a fiber optic cable having a first portion and a second portion, the first portion of the fiber optic cable being arranged in a coil around the core of the second spool and contained between the front and back radial flanges, the second portion of the fiber optic cable being arranged in a coil around the drum portion of the first spool and contained between the first and second radial flanges;
wherein the first and second spools and the ruggedized terminal all rotate in unison when the second portion of the fiber optic cable is dispensed from the first spool; and
wherein once the second portion of the fiber optic cable has been completely removed from the first spool, the first portion of the fiber optic cable begins to pay off of the second spool.

2. The fiber optic cable spooling system of claim 1 , further comprising a central passage that extends axially through both the first and second spools, the central passage being configured to receive a mandrel about which the ruggedized terminal and the first and second spools rotate in unison.

3. The fiber optic cable spooling system of claim 1 , wherein the first radial flange of the first spool is secured to the back radial flange of the second spool.

4. The fiber optic cable spooling system of claim 1 , wherein the first radial flange of the first spool defines a cable transition notch through which the fiber optic cable extends between the second spool and the first spool.

5. The fiber optic cable spooling system of claim 4 , wherein a bottom end of the cable transition notch is generally flush with an outer circumferential surface of the drum portion of the first spool.

6. The fiber optic cable spooling system of claim 1 , wherein the first spool is removable.

7. The fiber optic cable spooling system of claim 1 , wherein the terminal housing includes front and back housing pieces, and wherein a sealing member is disposed between the front and back housing pieces of the terminal housing.

8. The fiber optic cable spooling system of claim 7 , wherein the front housing piece of the terminal housing includes a plurality of front steps, and wherein the plurality of ruggedized fiber optic adapters are mounted on the plurality of front steps.

9. The fiber optic cable spooling system of claim 1 , wherein the fiber optic cable includes a plurality of optical fibers separated at the second portion of the fiber optic cable, at least some of the separate optical fibers having connectorized ends, the connectorized ends of the separate optical fibers being plugged into respective ones of the interior adapter ports of the plurality of ruggedized fiber optic adapters within the enclosed interior of the terminal housing.

10. The fiber optic cable spooling system of claim 9 , wherein a fanout is provided within the terminal housing for separating the plurality of optical fibers.

11. The fiber optic cable spooling system of claim 1 , wherein the first portion of the fiber optic cable has a multi-fiber connector.

12. A method for installing a drop terminal in a fiber optic network, the method comprising:
positioning a drop terminal proximate to a fiber distribution hub, the drop terminal including:
a housing having a first exterior surface and an opposite second exterior surface;
a plurality of ruggedized adapters mounted on the first exterior surface of the housing;
a first spool is engaged to the second exterior surface, the first spool including a first core and first and second radial flanges that are axially spaced apart along the first core and that project radially outwardly from the first core, the first spool having a fiber optic distribution cable coiled around the first core of the first spool, wherein the fiber optic distribution cable includes a first end and an oppositely disposed second end; and
a second spool including a second core and front and back radial flanges that are axially spaced apart along the second core of the second spool and that project radially outwardly from the second core of the second spool, the front radial flange of the second spool being secured to the second radial flange of the first spool;

pulling the second end of the fiber optic distribution cable from the second spool, wherein the housing, the first spool, and the second spool rotate in unison as the fiber optic distribution cable is paid out from the second spool;
pulling the first end of the fiber optic distribution cable from the first spool once the second end of the fiber optic distribution cable has been completely removed from the second spool; and
connecting the first end of the fiber optic distribution cable to the fiber distribution hub.

13. The method of claim 12 , further comprising removing the second spool from the first spool.

14. The method of claim 12 , further comprising mounting the drop terminal to a mounting structure.

15. The method of claim 12 , further comprising pivoting the drop terminal to an open position to provide access to a central passage through the first spool.

16. The method of claim 15 , further comprising inserting a mandrel into the central passage.

17. The method of claim 12 , wherein the drop terminal is environmentally sealed.

18. The method of claim 12 , wherein the second end of the fiber optic distribution cable includes multiple connectorized fibers that are received at inner ports of the ruggedized adapters.

19. The method of claim 12 , wherein the first exterior surface defines adapter mounting openings; and wherein sealing members are compressed between the housing and the ruggedized adapters at the adapter mounting openings.

20. The method of claim 12 , wherein the fiber optic distribution cable extends into the housing through an environmentally sealed access opening.

Assignees

• Commscope Technologies Llc

Inventors

• Smith Trevor D
• Hagen Raymond
• Leblanc Thomas G
• Marcouiller Thomas

Classifications

• H04B10/275

  Ring-type networks · CPC title

• G02B6/444

  Systems or boxes with surplus lengths · CPC title

• H04B10/25

  Arrangements specific to fibre transmission · CPC title

• G02B6/4444

  Seals · CPC title

• G02B6/3885

  Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type (optical ribbon cable G02B6/4403, G02B6/448) · CPC title