High density telecommunications patching system and cassettes

1. A telecommunications patching system comprising:

a panel;

at least one cassette adapted to be movably received in the panel;

the cassette receiving a plurality of telecommunication connector jacks;

each jack having a front cavity adapted to receive a patch cord plug having a patch cord cable extending therefrom;

the cassette having first and second ends;

a tab extending from the first end whereby the cassette may be readily moved to different positions in the panel; wherein the cassette has first and second sides; the panel having at least one rail engaging the first side of the cassette; a spring member associated with either the first side of the cassette or the rail; a pocket associated with either the first side of the cassette or the rail for engaging the spring member whereby the cassette may be temporarily held in place at one position in the panel.

2. A telecommunications patching system as set forth in claim 1 wherein the tab is attached to the first end of the cassette.

3. A telecommunications patching system as set forth in claim 1 wherein the tab includes a first cable guide.

4. A telecommunications patching system as set forth in claim 3 wherein the first cable guide includes a channel for receiving a portion of at least some of the patch cord cables.

5. A telecommunications patching system as set forth in claim 4 wherein the tab includes a second cable guide; the second cable guide includes a channel for receiving a portion of at least some of the patch cord cables.

6. A telecommunications patching system as set forth in claim 4 therein the panel has a front end, a rear end, and first and second sides; a first cable management clip attached to the panel near the panel near the intersection of the front end and the first side of the panel.

7. A telecommunications patching system as set forth in claim 6 wherein the first cable management clip includes at least a first channel for receiving the patch cord cable which is received in the first cable guide of the tab.

8. A telecommunications patching system as set forth in claim 7 wherein the first cable management clip includes second and third channels for receiving additional patch cord cables and providing simultaneous vertical and horizontal cable management.

9. A telecommunications patching system as set, forth in claim 1 , further including a pair of uprights which form a part of a vertical rack; the panel horizontally engaging the pair of uprights.

10. A telecommunications patching system as set forth in claim 9 wherein the cassettes are received in horizontally in the panel.

11. A telecommunications patching system as set forth in claim 9 , including another panel; the two panels adjacent to one another; the two panels engaging the uprights whereby the panels may be offset from one another.

12. A telecommunications patching system as set forth in claim 11 , including a first bracket attached to one upright and a second bracket attached to the other upright; the first bracket interfacing with the first side of each panel and the second bracket interfacing with the second side of each panel.

13. A telecommunication patching system as set forth in claim 12 , further including a spring member attached to each bracket; each side of each panel having a pocket for receiving the spring member.

14. A telecommunications patching system as set forth in claim 1 wherein the spring member is attached to the first side of the cassette and the pocket is associated with the rail.

15. A telecommunications patching system as set forth in claim 1 , further including a second pocket spaced apart from the first pocket; whereby the cassette able to be held in two positions in the panel.

16. A telecommunications patching system as set forth in claim 1 wherein the panel includes a front portion and a rear portion; a plurality of trunk cables received in the second end of the cassette; a trunk cable capture mechanism attached to the rear portion of the panel for securing the trunk cables in the panel.

17. A telecommunications patching system as set forth in claim 16 wherein the trunk cable capture mechanism includes a pad made of soft resilient material; the pad including at least one row of spaced apart ribs forming grooves for receiving the trunk cable.

18. A telecommunications patching system as set forth in claim 17 wherein a substantial number of the ribs include a projection which extends into a groove.