Fiber optic closure

1. A fiber optic communications arrangement comprising:

(a) a closure with an interior volume; the closure including at least one cable through-port in communication with the interior volume; and

(b) an expansion component attached to an exterior portion of the closure and having an interior region in communication with the closure interior volume, the expansion component including a plurality of ruggedized fiber optic adapters mounted thereto; each of the ruggedized fiber optic adapters including at least one connector port for receiving ruggedized fiber optic connectors.

2. The arrangement of claim 1 wherein the expansion component includes an optical power splitter.

3. The arrangement of claim 1 wherein the expansion component includes an optical wavelength splitter.

4. The arrangement of claim 1 wherein the expansion component includes passive components.

5. The arrangement of claim 1 wherein the closure includes one or more splice trays.

6. The arrangement of claim 1 wherein the closure has a plurality of through-ports.

7. The arrangement of claim 6 further including a cable sealing arrangement within the closure, the sealing arrangement including a sealing material.

8. The arrangement of claim 7 further including an actuator configured and arranged to cause the sealing material within the closure to be compressed and deform radially inwardly about fiber optic cables when laid within the through-ports, thereby forming circumferential seals around fiber optic cables.

9. The arrangement of claim 1 wherein the expansion component includes a plurality of expansion housings, with the ruggedized fiber optic adapters mounted to the expansion housings.

10. The arrangement of claim 9 wherein:

(a) the closure defines a central longitudinal axis extending along a length of the closure from a bottom end and a top end; the bottom end being defined by a base, and the top end being defined by a dome; and

(b) the expansion housings are positioned on opposite sides of the axis.