Communications patching devices that include integrated electronic static discharge circuits and related methods
Communications patching devices are provided that include a mounting frame and a first jack that is mounted to the mounting frame. The first jack has a plurality of input terminals, a plurality of output terminals and a printed circuit board that includes a plurality of conductive paths that each electrically connect a respective one of the input terminals to a respective one of the output terminals. The printed circuit board further includes a plurality of electronic static discharge circuits, each of which circuit provides a path for discharging static charges to ground. Related methods and RJ-45 jacks are also provided.
1. A communications patching device, comprising;
a mounting frame; and
a first jack mounted to the mounting frame, the first jack having a plurality of input terminals, a plurality of output terminals, a wiring board that includes a plurality of conductive paths that each electrically connect a respective one of the input terminals to a respective one of the output terminals, and a plurality of electronic static discharge (“ESD”) circuits on the wiring board, wherein each ESD circuit provides a path for discharging static charges to ground.
2. The communications patching device of claim 1 , wherein each ESD circuit comprises a spark gap circuit that includes a conductive trace on the wiring board that is positioned immediately adjacent to a respective one of the conductive paths, wherein the conductive trace is electrically connected to ground.
3. The communications patching device of claim 2 , wherein the plurality of conductive paths are arranged as a plurality of differential pairs of conductive paths that are each configured to carry a differential signal, and wherein the plurality of spark gap circuits comprises a spark gap circuit for at least one of the conductive paths of each of the plurality of differential pairs of conductive paths.
4. The communications patching device of claim 2 , wherein the plurality of spark gap circuits comprises a spark gap circuit for each of the plurality of conductive paths.
5. The communications patching device of claim 2 , further comprising a conductive element extending from the wiring board that electrically connects the conductive traces of each of the spark gap circuits to ground.
6. The communications patching device of claim 5 , wherein the conductive element comprises a pin that is received within a metal-plated hole in the wiring board, wherein the pin is configured to directly contact a metal portion of the mounting frame, and wherein the mounting frame is connected to ground.
7. The communications patching device of claim 1 , further comprising a plurality of additional jacks that are mounted to the mounting frame, wherein each of the additional jack has a plurality of input terminals, a plurality of output terminals, a wiring board that includes a plurality of conductive paths that each electrically connect a respective one of the input terminals to a respective one of the output terminals, and a plurality of spark gap circuits on the wiring board, wherein each spark gap circuit provides an electronic static discharge path for a respective one of the plurality of conductive paths.
8. The communications patching device of claim 1 , wherein the wiring board includes conductive paths that connect input terminals of a plurality of additional jacks to output terminals of the plurality of additional jacks, and wherein the wiring board includes a plurality of additional spark gap circuits that each provide an electronic static discharge path for a respective one of the plurality of additional conductive paths.
9. The communications patching device of claim 2 , wherein the patching device comprises a power-over-Ethernet enabled patch panel.