COMMUNICATIONS BLADED PANEL SYSTEMS

• US 20110228473A1
• Filed: 02/11/2011
• Published: 09/22/2011
• Est. Priority Date: 02/12/2010
• Status: Active Grant

• Current Assignee: CommScope Technologies, LLC (CommScope Holding Company, Inc.)
• Original Assignee: Tyco Electronics Services GmbH (TE Connectivity Ltd. (United Kingdom))
• Inventors: Stone, David, Wentworth, Michael, ANDERSON, CHAD, Coffey, Joseph C., Kostecka, Ryan
• Granted Patent: US 8,934,252 B2
• Time in Patent Office: Days
• US Class Current: 361/679.58
• CPC Class Codes: G02B 6/3897 Connectors fixed to housings, casing, frames or circuit boards G02B6/44528 takes precedence
• CPC Class Codes: G02B 6/428 containing printed circuit boards [PCB]
• CPC Class Codes: G02B 6/4292 the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
• CPC Class Codes: G02B 6/4452 Distribution frames
• CPC Class Codes: G02B 6/4453 Cassettes
• CPC Class Codes: G06F 1/16 Constructional details or arrangements
• CPC Class Codes: G06F 13/409 Mechanical coupling back panels H05K7/1438
• CPC Class Codes: H04Q 1/023 using sliding mechanisms for accessing the interior of the apparatus
• CPC Class Codes: H04Q 1/03 Power distribution arrangements
• CPC Class Codes: H04Q 1/06 Cable ducts or mountings specially adapted for exchange installations
• CPC Class Codes: H04Q 1/08 Frames or mounting racks for relays; Accessories therefor
• CPC Class Codes: H04Q 1/13 Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
• CPC Class Codes: H04Q 1/155 characterised by connection features
• CPC Class Codes: H05K 5/0026 provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
• CPC Class Codes: H05K 5/0204 Mounting supporting structures on the outside of casings
• CPC Class Codes: H05K 5/0217 Mechanical details of casings covers, lids, hoods or members for covering apertures H05K5/03
• CPC Class Codes: H05K 7/14 Mounting supporting structure in casing or on frame or rack
• CPC Class Codes: H05K 7/1401 comprising clamping or extracting means H05K7/10 takes precedence
• CPC Class Codes: H05K 7/1487 Blade assemblies, e.g. blade cases or inner arrangements within a blade
• CPC Class Codes: H05K 7/1489 characterized by the mounting of blades therein, e.g. brackets, rails, trays H05K7/1491 takes precedence
• CPC Class Codes: H05K 7/1491 : having cable management arrangements management of optical cables G02B6/444; in telecommunication cabinets H04Q1/06
• CPC Class Codes: Y10T 29/49002 : Electrical device making
• CPC Class Codes: Y10T 29/49826 : Assembling or joining

Abstract

A fiber panel system includes a chassis including a backplane; and at least a first blade configured to mount to the chassis. The first blade is moveable relative to the chassis between a refracted (closed) position and at least one extended position. The first blade includes a coupler arrangement for connecting together media segments. The first blade remains electrically connected to the backplane of the chassis when moving between the retracted and extended positions.

Claims

1. A bladed panel system comprising:

a chassis including a backplane;

a plurality of blades coupled to the chassis, each blade including at least one rear port configured to receive a first media segment and a plurality of front ports configured to receive a plurality of second media segments, each blade being separately moveable relative to the chassis between a closed position and at least a first extended position, each blade including a circuit board arrangement and a plurality of smart couplers that define the front ports, the circuit board arrangement of each blade being configured to electrically connect the respective smart couplers to the backplane of the chassis, each blade also including a connection arrangement including a flexible cable that enables the respective circuit board arrangement to remain electrically connected to the backplane during movement of the blade between the closed and first extended positions.

2. The bladed panel system of claim 1, wherein the smart couplers are positioned at the front of the blade, the smart couplers defining the front ports of the blade, each front coupler including at least one media reading interface that connects to the circuit board arrangement of the respective blade, each media reading interface being configured to read physical layer information stored on a media segment received at the front coupler.

3. The bladed panel system of claim 2, wherein each front coupler defines four of the front ports of the respective blade.

4. The bladed panel system of claim 2, wherein each blade includes a base on which the respective circuit board arrangement, connection system, and front couplers are mounted, the base defining at least one opening rearward of the front couplers to provide access to rear ports of the front couplers through the base.

5. The bladed panel system of claim 2, wherein each blade includes a blade processor coupled to the respective circuit board arrangement, wherein each blade processor connects to the chassis backplane via the respective circuit board arrangement.

6. The bladed panel system of claim 5, further comprising a chassis processor mounted to the backplane of the chassis, the chassis processor being configured to electrically connect to the blade processors via the backplane and the respective circuit board arrangements.

7. The bladed panel system of claim 6, wherein the chassis processor includes a network port configured to receive a network cable that connects the chassis processor to a data network.

8. The blade of claim 1, further comprising a plurality of indicators mounted to a front of the blade, the indicators being electrically coupled to the circuit board arrangement.

9. The bladed panel system of claim 5, wherein the front couplers of each blade are separated into a first group at a first side of the blade and a second group at a second side of the blade, and wherein the blade processor of each blade is positioned at the front of the blade between the first and second groups of front couplers.

10. The bladed panel system of claim 5, wherein the circuit board arrangement of each blade is generally T-shaped with a first portion extending across a front of the respective blade and a second portion extending towards a rear of the blade, wherein the front couplers and the blade processor are mounted to the first portion of the circuit board arrangement.

11. The bladed panel system of claim 1, wherein at least a first of the blades has an open top.

12. The bladed panel system of claim 11, wherein each of the front ports of the first blade is configured to receive a media segment terminated with an LC-type connector.

13. The bladed panel system of claim 11, wherein each of the front ports of the first blade is configured to receive a media segment terminated with an MPO-type connector.

14. The bladed panel system of claim 1, wherein at least a first of the blades includes at least one rear port located at the rear of the blade, the rear port being configured to receive a media segment terminated with an MPO-type connector, each of the front ports being configured to receive a media segment terminated with an LC-type connector.

15. The bladed panel system of claim 14, wherein the first blade includes a cover that extends from the front ports to the rear port.

16. The bladed panel system of claim 14, wherein the front ports are defined by front couplers and the rear port is defined by a rear coupler, and wherein the first blade also includes connecting media segments connecting the rear coupler to the front couplers.

17. The bladed panel system of claim 1, wherein each circuit board arrangement includes a first circuit board connected to a first end of the respective flexible cable and a second circuit board connected to a second of the respective flexible cable, the first circuit board being configured to move with the respective blade relative to the chassis, the second circuit board being connected to the backplane of the chassis.

18. The bladed panel system of claim 17, wherein each flexible cable is in a folded configuration when the respective blade is in the closed position and wherein each flexible cable straightens out to extend over a distance between the first and second circuit boards when the respective blade is moved to the first extended position.

19. The bladed panel system of claim 18, wherein each blade includes a flange about which the flexible cable folds when the first blade is moved from the first extended position to the closed position.

20. The bladed panel system of claim 17, wherein the second circuit board defines a connection edge that is configured to slideably connect to a blade port on the chassis backplane.

21. The bladed panel system of claim 17, wherein the first circuit board of each blade is T-shaped having a first portion that extends across a front of the respective blade and a second portion that extends towards a rear of the respective blade, wherein the front couplers and the blade processor are mounted to the first portion of the first circuit board, and wherein the first end of the flexible cable connects to the second portion of the first circuit board.

22. The bladed panel system of claim 17, wherein the connection system includes a guide arrangement that facilitate sliding movement of the first circuit board relative to the second circuit board.

23. The bladed panel system of claim 22, wherein the guide arrangement include a first mounting member connected to the first circuit board, a second mounting member connected to the second circuit board, and a rail coupled to the first and second mounting members.

24. The bladed panel system of claim 23, wherein the rail is axially fixed relative to the second mounting member and axially moveable relative to the first mounting member.

25. The bladed panel system of claim 22, wherein the guide arrangement includes opposing guides bordered by stops, the guides defining channels, wherein the second circuit board slides within the channels relative to the first circuit board.

26. The bladed panel system of claim 17, wherein each blade also is configured to slide to a second extended position relative to the chassis, wherein the front ports of the blade are positioned farther forward of the open front of the chassis when the blade is in the second extended position then when the blade is in the first extended position.

27. The bladed panel system of claim 26, wherein the second circuit board of each blade disconnects from the backplane when the blade is moved to the second extended position.

28. The bladed panel system of claim 1, wherein the chassis includes rear management structures located at the rear of the chassis, the rear management structures securing to the chassis incoming media segments routed to the blades.

29. The bladed panel system of claim 28, wherein the rear management structures include cable clamps.

30. The bladed panel system of claim 28, wherein the rear management structures include fanout arrangements.

31. The bladed panel system of claim 28, wherein each blade defines a retention location at which any of the incoming media segments are secured to the blade, the retention location being positioned to provide a slack length of the incoming media segment between the rear management structures of the chassis and the retention location of the blade.

32. The bladed panel system of claim 31, wherein the incoming media segment is secured to the blade at the retention location using a cable tie.

33. The bladed panel system of claim 1, wherein each blade also is configured to slide to a second extended position relative to the chassis, wherein the blade is located farther forward relative to the chassis in the second extended position than in the first extended position.

34. The bladed panel system of claim 33, wherein the respective circuit board arrangement disconnects from the backplane when the blade is moved to the second extended position.

35. The bladed panel system of claim 1, wherein each blade includes a plurality of cable retention fingers extending forwardly of the front ports, each cable retention finger defining an opening for managing outgoing media segments received at the front ports of the blade.

36. The bladed panel system of claim 35, further comprising a plurality of label panels mounted to the cable retention fingers.

37. The bladed panel system of claim 36, wherein the label panels are pivotally mounted to the cable retention fingers.

38. The bladed panel system of claim 36, wherein the label panels are removably mounted to the cable retention fingers.

39. The bladed panel system of claim 1, wherein each blade includes a handle extending forwardly of the front ports at a central portion of the blade.

40. The bladed panel system of claim 1, wherein the chassis includes a plurality of guides extending within an interior of the chassis along a forward-to-rearward direction, each of the blades being configured to slide along one of the guides.

41. The bladed panel system of claim 1, wherein each of the blades is configured to lock in at least one of the positions relative to the chassis.

42. The bladed panel system of claim 41, wherein the chassis includes a plurality of lugs and each blade defines a notch that snaps over one of the lugs to lock the blade in the closed position relative to the chassis.

43. The bladed panel system of claim 41, wherein the chassis defines a plurality of side openings and each blade includes a latching arrangement including outwardly biased tabs that latch into some of the side openings of the chassis to lock the blade in the extended position relative to the chassis.

44. The bladed panel system of claim 43, wherein the latching arrangement of each blade includes flexible tabs positioned at opposite sides of the blade.

45. The bladed panel system of claim 1, further comprising a bracket at the open front of the chassis, the bracket including a transition surface positioned a distance forward of the open front of the chassis, the distance being sufficiently long to accommodate movement of each of the blades between the closed position and the first extended position without pulling or bending any of the second media segments beyond a maximum bend radius of the second media segment.

46. The bladed panel system of claim 1, further comprising a status board configured to be received in the chassis, the status board being configured to connect to a port on the backplane, the status board including a plurality of indicators positioned at a front face.

47. A blade comprising:

a base having a front, a rear, a first side, and a second side;

a circuit board arrangement coupled to the base;

a plurality of front couplers coupled to the circuit board arrangement at the front of the blade, the front couplers defining a plurality of front ports, each front coupler including a media reading interface, the front couplers being divided into a first group at the first side of the base and a second group at the second side of the base, the second group being spaced a distance from the first group;

a blade processor coupled to the circuit board arrangement at the front of the blade in the distance between the first and second groups of front couplers, the blade processor being electrically connected to the media reading interfaces of the front couplers via the circuit board arrangement; and

a connection arrangement coupled to the base, the connection arrangement including an electrical cable having a first end and a second end, the first end being electrically connected to the circuit board arrangement, the electrical cable being sufficiently flexible to enable the second end to fold into and out of a half-loop configuration when the front couplers move relative to the second end of the electrical cable.

48. The blade of claim 47, wherein the second end of the electrical cable is configured to plug into a chassis backplane when the blade is positioned in a chassis.

49. The blade of claim 47, wherein the circuit board arrangement includes a first circuit board and a second circuit board, wherein the first end of the electrical cable is connected to the first circuit board and the second end of the electrical cable is connected to the second circuit board, the second circuit board having a connection end that connects to a chassis backplane when the blade is positioned in a chassis.

50. The blade of claim 49, wherein the first circuit board is T-shaped having a first portion that extends across a front of the base and a second portion that extends towards the rear of the base, wherein the front couplers and the blade processor are mounted to the first portion of the first circuit board, and wherein the first end of the electrical cable connects to the second portion of the first circuit board.

51. The blade of claim 50, wherein the base defining at least a first opening rearward of the front couplers to provide access to rear ports of the front couplers through a bottom of the base.

52. The blade of claim 51, wherein the base defines the first opening rearward of the first group of front couplers and defines a second opening rearward of the second group of front couplers.

53. The blade of claim 47, wherein the front couplers also define rear ports at which incoming media segments are received, the front couplers optically coupling the incoming media segments received at the rear ports to the outgoing media segments received at the front ports.

54. The blade of claim 53, wherein the front and rear ports are configured to receive LC-type optical connectors.

55. The blade of claim 53, wherein the front and rear ports are configured to receive MPO-type optical connectors.

56. The blade of claim 51, wherein each front coupler defines four of the front ports and four of the rear ports of the respective blade.

57. The blade of claim 47, further comprising:

at least one rear coupler positioned at the rear of the base, the rear coupler defining a rear port at which an incoming media segment is received;

a connecting media segment that carries optical signals between a front port of the rear coupler and a plurality of rear ports of at least some of the front couplers to optically couple the incoming media segment to at least some of the outgoing media segments.

58. The blade of claim 57, wherein the rear coupler is configured to receive MPO-type optical connectors and the front couplers are configured to receive LC-type optical connectors.

59. The blade of claim 47, further comprising a plurality of retention fingers extending forwardly of the front ports to mange the outgoing media segments routed to the front ports.

60. The blade of claim 59, further comprising a plurality of label panels mounted to distal ends of the cable retention fingers.

61. The blade of claim 60, wherein the label panels are pivotally mounted to the cable retention fingers.

62. The blade of claim 60, wherein the label panels are removably mounted to the cable retention fingers.

63. The blade of claim 47, further comprising a plurality of indicators mounted to a front of the blade, the indicators being electrically coupled to the circuit board arrangement.

64. A method of cabling a bladed panel including a plurality of blades that are coupled to a chassis so as to be separately moveable between closed and extended positions, the chassis including a backplane, each blade including a plurality of smart couplers and a circuit board arrangement that connects to the smart couplers to the backplane, the method comprising:

routing at least one outgoing media segment to a front of the chassis;

sliding a first of the blades relative to the chassis from the closed position to the extended position without disconnecting the front couplers of the first blade from the backplane;

connecting the outgoing media segment at a front port of one of the front couplers of the first blade; and

sliding the first blade to the closed position relative to the chassis.

65. The method of claim 64, wherein sliding the first blade to the extended position includes sliding the first blade forwardly of the chassis about three (3) inches.

66. The method of claim 64, further comprising sliding the first blade to a second extended position to disconnect the first blade from the backplane, the second extended position being farther forward of the chassis than the extended position.

67. The method of claim 66, wherein sliding the first blade to the second extended position includes sliding the first blade forwardly of the chassis about six (6) inches.

68. The method of claim 66, further comprising disconnecting a blade processor from the first blade and connecting a replacement blade processor to the first blade.

69. The method of claim 64, further comprising:

feeding a connectorized end of an incoming media segment over a base of the first blade from the rear of the chassis toward the front couplers;

accessing the front couplers through an open top of the first blade at the front of the chassis when the first blade is in the extended position; and

inserting the connectorized end of the incoming media segment into a rear port of one of the front couplers.

70. The method of claim 64, further comprising:

routing a data cable to the rear of the chassis, the data cable being connected to a data network; and

plugging a connectorized end of the data cable into a chassis network port to connect the blades to the data network when the blades are connected to the backplane.

71. The method of claim 70, further comprising connecting a chassis processor to the chassis backplane, the chassis processor defining the network port;

wherein plugging the connectorized end of the data cable into the network port comprises plugging the connectorized end of the data cable into the network port of the chassis processor.

72. The method of claim 70, wherein the backplane defines the network port, and wherein plugging the connectorized end of the data cable into the network port comprises plugging the connectorized end of the data cable directly into the network port of the backplane.