Universal remote radio unit bird armored fiber optic cable assembly
View Patent ↗A fiber optic cable has a cable core that includes at least one optical fiber coupled to a fiber optic connector. A cable adapter sleeve is axially mounted on the cable core to surround the cable core, the cable adapter sleeve including a body portion that has a first outer diameter and a collar that has a second outer diameter that is greater than the first outer diameter. A crush sleeve is seated within a crush groove of the collar.
1. An armored fiber optic cable mateable with a plurality of remote radio unit configurations, comprising:
a cable core that includes at least one optical fiber;
a fiber optic connector that receives the at least one optical fiber;
a monolithic cable adapter sleeve seated upon the cable core;
the cable adapter sleeve including a body portion that has a first outer diameter and a collar that has a second outer diameter which is greater than the first outer diameter;
an armor tube seated upon the cable core having a fourth outer diameter that is greater than the first outer diameter but less than the second outer diameter, the armor tube coupled to an internal passageway of the collar; and
a crush protection sleeve surrounding the armor tube having a fifth outer diameter that is greater than the fourth outer diameter, the crush protection sleeve coupled to a groove of the collar.
2. The fiber optic cable of claim 1 , further including a stop on the cable adapter sleeve that has a third outer diameter that is greater than the first outer diameter.
3. The fiber optic cable of claim 2 , further including a first annular grove provided in the stop, the first annular groove open to the body portion.
4. The fiber optic cable of claim 2 , wherein the stop, the body portion and the collar have circular cross-sections.
5. The fiber optic cable of claim 1 , wherein an outer diameter of the crush protection sleeve is at least 19 millimeters.
6. The fiber optic cable of claim 1 , further including a second annular groove provided in the collar, the second annular groove open to the body portion.
7. The fiber optic cable of claim 1 , wherein the collar includes an aperture extending between an outer diameter of the collar and a passageway of the collar.
8. The fiber optic cable of claim 1 , wherein the collar has a gasket seat at a cable end that has a fourth outer diameter which is greater than the first outer diameter and less than the second outer diameter.
9. The fiber optic cable of claim 1 , wherein the first outer diameter of the body portion of the cable adapter sleeve is sized to sealingly fit within a gasket on a second remote radio unit.
10. The fiber optic cable of claim 1 , wherein the second outer diameter of the collar of the cable adapter sleeve is configured to be received within a clamping structure of a third remote radio unit.
11. The fiber optic cable of claim 1 , wherein the fiber optic cable further includes at least one electrical conductor.
12. The fiber optic cable of claim 1 , wherein a front of the fiber optic connector is positioned between about 80 mm and about 350 mm from a front of the collar of the cable adapter sleeve.
13. A method for manufacturing an armored fiber optic cable mateable with a plurality of remote radio unit configurations, comprising:
providing a cable core that includes at least one optical fiber;
coupling a fiber optic connector to the at least one optical fiber;
mounting a monolithic cable adapter sleeve axially on the cable core, the cable adapter sleeve including a body portion that has a first outer diameter and a collar that has a second outer diameter greater than the first outer diameter;
coupling an armor tube to an internal passageway of the collar, the armor tube provided with a fourth outer diameter that is greater than the first outer diameter but less than the second outer diameter; and
providing a crush protection sleeve surrounding the armor tube; the crush protection sleeve provided with a fifth outer diameter that is greater than the fourth outer diameter, the crush protection sleeve coupled to a groove of the collar.
14. The method of claim 13 , wherein the crush protection sleeve is coupled to the groove by inserting an inward projection of a clip through a slot of the collar so that the inward projection keys with a corrugation of the crush protection sleeve.
15. The method of claim 13 , wherein the cable adapter sleeve further includes a stop that has a third outer diameter that is greater than the first outer diameter.
16. The method of claim 13 , wherein the cable adapter sleeve is mounted by overmolding the cable adapter sleeve upon an outer diameter of the cable core.
17. The method of claim 13 , wherein the cable adapter sleeve is mounted by passing the cable core through a passageway of the cable adapter sleeve and gluing the cable adapter sleeve at a desired axial position onto an outer diameter of the cable core.
18. The method of claim 13 , wherein the cable adapter sleeve is mounted such that a front of the fiber optic connector is positioned between about 80 mm and about 350 mm from a front of the collar of the cable adapter sleeve.
19. The method of claim 13 , further including at least one electrical conductor in the cable.
20. The method of claim 13 , wherein the cable adapter sleeve is formed of a metal material.