# US 9,521,766 B2 · High density telecommunications systems with cable management and heat dissipation features > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,521,766 B2 - Document ID: US9521766B2 - Status: Granted - Kind: B2 - Application number: 13/912,778 - Filed: 2013-06-07 - Published: 2014-01-02 - Granted: 2016-12-13 - Earliest claimed: 2012-06-27 - Assignees: CommScope Connectivity Belgium BVBA; CommScope Asia Holdings B.V. - Applicants: Tyco Electronics Raychem BVBA; Tyco Electronics Nederland BV - Inventors: Didier Pierre W Claeys; Danny Ghislain Thijs; Sebastiaan Roger Neerincx - Web page: https://patentgrep.com/patent/US9521766B2 ## CPC - H04Q 1/025: {Cabinets} - H04Q 1/035: {Cooling of active equipments, e.g. air ducts} - H04Q 1/06: Cable ducts or mountings specially adapted for exchange installations - H04Q 1/062: {vertical management arrangements} - H05K 5/0247: {Electrical details of casings, e.g. terminals, passages for cables or wiring} - H05K 5/03: Covers - H05K 7/1422: {Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames} - H05K 7/186: {for supporting telecommunication equipment (selecting apparatus H04Q1/02)} - H05K 7/20154: {Heat dissipaters coupled to components} - H04Q: SELECTING (switches, relays, selectors H01H; wireless communication networks H04W) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A telecommunications system (10/100) is disclosed herein. The telecommunications system (10/100) includes a chassis (12/112) defining a top end (14/114), a bottom end (16/116), and a generally pyramidal shape, wherein a transverse cross-sectional footprint (28) of the chassis (12/112) changes in outer dimension as the transverse cross-sectional footprint (28) extends from the top end (14/114) to the bottom end (16/116), the telecommunications chassis (12/112) further defining at least one sidewall (30/130, 32/132, 34/134, 36/136), the at least one sidewall (30/130, 32/132, 34/134, 36/136) extending at an angle to both the top end (14/114) and the bottom end (16/116), the at least one sidewall (30/130, 32/132, 34/134, 36/136) defining ports (38) defining connection locations for receiving telecommunications equipment. ## Claims ### Claim 1 A telecommunications system comprising: a telecommunications chassis defining a top end, a bottom end, and a generally pyramidal shape, wherein a transverse cross-sectional footprint of the chassis changes in outer dimension in a direction extending from the top end to the bottom end, the telecommunications chassis further defining at least three intersecting sidewalls defining the generally pyramidal shape, the at least three intersecting sidewalls each extending at an acute angle to both the top end and the bottom end, the at least three intersecting sidewalls each defining ports for receiving exterior connectors or plugs, wherein the ports, via the exterior connectors or plugs, are configured to provide access to electrical connection locations defined by telecommunications equipment mounted within an interior of the telecommunications chassis, the telecommunications equipment mounted within the chassis including a printed circuit board having a generally triangular shape defining two right-angle sides and a third side connecting the two right-angle sides, wherein at least one of the two right-angle sides defines telecommunications connectors for connecting to other telecommunications equipment within the chassis, and the third side defines the electrical connection locations accessible through the ports of the telecommunications chassis. ### Claim 2 (depends on 1) A telecommunications system according to claim 1, wherein the transverse cross-sectional footprint is a triangle. ### Claim 3 (depends on 1) A telecommunications system according to claim 1, wherein the transverse cross-sectional footprint is a square. ### Claim 4 (depends on 1) A telecommunications system according to claim 1, wherein the transverse cross-sectional footprint is a rectangle. ### Claim 5 (depends on 1) A telecommunications system according to claim 1, wherein the transverse cross-sectional footprint is a hexagon. ### Claim 6 (depends on 3) A telecommunications system according to claim 3, wherein the telecommunications chassis defines a front wall, a rear wall, a left wall, and a right wall, each of the front, rear, left, and right walls defining ports. ### Claim 7 (depends on 1) A telecommunications system according to claim 1, wherein the telecommunications chassis defines a central longitudinal axis extending between the top end and the bottom end and an opening extending therethrough in a direction parallel to the central longitudinal axis. ### Claim 8 (depends on 7) A telecommunications system according to claim 7, wherein the opening is a central opening defining the central longitudinal axis. ### Claim 9 (depends on 1) A telecommunications system according to claim 1, further comprising a cable trough extending between the top end and the bottom end, the cable trough extending parallel to the at least one sidewall. ### Claim 10 (depends on 9) A telecommunications system according to claim 9, wherein the cable trough is defined by the at least one sidewall. ### Claim 11 (depends on 10) A telecommunications system according to claim 10, wherein the cable trough bisects the at least one sidewall as the trough extends from the top end to the bottom end. ### Claim 12 (depends on 1) A telecommunications system according to claim 1, wherein the transverse cross-sectional footprint of the chassis decreases in outer dimension as the transverse cross-sectional footprint extends from the top end to the bottom end. ### Claim 13 (depends on 1) A telecommunications system according to claim 1, wherein the transverse cross-sectional footprint of the chassis increases in outer dimension as the transverse cross-sectional footprint extends from the top end to the bottom end. ### Claim 14 (depends on 1) A telecommunications system according to claim 1, wherein the telecommunications equipment includes at least two connected printed circuit boards mounted generally perpendicular to each other. ### Claim 15 (depends on 1) A telecommunications system according to claim 1, further comprising air moving equipment mounted to at least one of the top end and the bottom end of the telecommunications chassis. ### Claim 16 A telecommunications system comprising: a telecommunications chassis defining a top end, a bottom end, and a central longitudinal axis extending between the top end and the bottom end, the telecommunications chassis defining a generally pyramidal shape, wherein a transverse cross-sectional footprint of the chassis changes in outer dimension in a direction extending from the top end to the bottom end, the telecommunications chassis further defining a front wall, a rear wall, a right wall, and a left wall, each of the front, rear, right, and left walls extending at an acute angle to both the top end and the bottom end and each of the front, rear, right, and left walls defining ports for receiving exterior connectors or plugs; a central opening extending through the chassis in a direction parallel to the central longitudinal axis; and a cable trough defined by each of the front, rear, right, and left walls, extending between the top end and the bottom end, each cable trough extending parallel to its associated front, rear, right, and left wall; wherein the ports, via the exterior connectors or plugs, are configured to provide access to electrical connection locations defined by telecommunications equipment mounted within an interior of the telecommunications chassis around the central opening, the telecommunications equipment mounted within the chassis including a printed circuit board having a generally triangular shape defining two right-angle sides and a third side connecting the two right-angle sides, wherein at least one of the two right-angle sides defines telecommunications connectors for connecting to other telecommunications equipment within the chassis, and the third side defines the electrical connection locations accessible through the ports of the telecommunications chassis. ### Claim 17 (depends on 16) A telecommunications system according to claim 16, wherein the transverse cross-sectional footprint of the chassis decreases in outer dimension as the transverse cross-sectional footprint extends from the top end to the bottom end. ### Claim 18 (depends on 16) A telecommunications system according to claim 16, wherein the transverse cross-sectional footprint of the chassis increases in outer dimension as the transverse cross-sectional footprint extends from the top end to the bottom end. ### Claim 19 (depends on 16) A telecommunications system according to claim 16, wherein the telecommunications equipment includes at least two connected printed circuit boards mounted generally perpendicular to each other. ### Claim 20 (depends on 16) A telecommunications system according to claim 16, wherein each of the cable troughs bisects its associated front, rear, right, and left wall. ### Claim 21 A telecommunications system comprising: a telecommunications chassis defining a top end, a bottom end, and a central longitudinal axis extending between the top end and the bottom end, the telecommunications chassis including ports around an outer perimeter of the telecommunications chassis for receiving exterior connectors or plugs, wherein the telecommunications chassis provides 360 degree accessibility around the perimeter of the telecommunications chassis to the ports; and a central heat dissipation structure defining an opening extending through the chassis in a direction parallel to the central longitudinal axis, wherein the telecommunications chassis defines a generally pyramidal shape, wherein a transverse cross-sectional footprint of the chassis changes in outer dimension in a direction extending from the top end to the bottom end, the telecommunications chassis further defining at least three intersecting sidewalls defining the generally pyramidal shape, the at least three sidewalls each extending at an acute angle to both the top end and the bottom end, each of the at least three intersecting sidewalls defining the ports; wherein the ports, via the exterior connectors or plugs, are configured to provide access to electrical connection locations defined by telecommunications equipment mounted within an interior of the telecommunications chassis around the opening, the telecommunications equipment mounted within the chassis including a printed circuit board having a generally triangular shape defining two right-angle sides and a third side connecting the two right-angle sides, wherein at least one of the two right-angle sides defines telecommunications connectors for connecting to other telecommunications equipment within the chassis, and the third side defines the electrical connection locations accessible through the ports of the telecommunications chassis. ### Claim 22 (depends on 21) A telecommunications system according to claim 21, wherein the transverse cross-sectional footprint is a triangle. ### Claim 23 (depends on 21) A telecommunications system according to claim 21, wherein the transverse cross-sectional footprint is a square. ### Claim 24 (depends on 21) A telecommunications system according to claim 21, wherein the transverse cross-sectional footprint is a rectangle. ### Claim 25 (depends on 21) A telecommunications system according to claim 21, wherein the transverse cross-sectional footprint is a hexagon. ### Claim 26 (depends on 23) A telecommunications system according to claim 23, wherein the telecommunications chassis defines a front wall, a rear wall, a left wall, and a right wall, each of the front, rear, left, and right walls defining ports.