Power line filtering at equipment rack and module levels

1. An apparatus comprising:

one or more power distribution units;

a power line filter device electrically connected to the one or more power distribution units, wherein the power line filter device is configured to be electrically connected to a power source for the one or more power distribution units at a location between the power source and the one or more power distribution units; and

a distribution switchboard configured to be electrically connected to the power source, wherein the power line filter device is electrically connected to the distribution switchboard at a location between the distribution switchboard and the one or more power distribution units, and wherein the distribution switchboard comprises a plurality of circuit breakers.

2. The apparatus of claim 1 further comprising a plurality of information technology devices electrically connected to the one or more power distribution units through a plurality of power lines, wherein the power line filter device is electrically connected to the one or more power distribution units through at least one power line located upstream of the one or more power distribution units and of the plurality of power lines electrically connecting the plurality of information technology devices to the one or more power distribution units.

3. The apparatus of claim 2 wherein the one or more power distribution units and the plurality of information technology devices comprise components of an electronic equipment rack.

4. The apparatus of claim 1 further comprising a plurality of information technology devices electrically connected to the one or more power distribution units through a plurality of power lines, wherein the power line filter device is configured to condition one or more of a plurality of signals in one or more of the plurality of power lines to prevent emission of data corresponding to one or more of the plurality of information technology devices.

5. The apparatus of claim 4 wherein the plurality of information technology devices comprise at least one of a storage drive, a processor, a server and a network switch.

6. An apparatus comprising:

one or more power distribution units;

a power line filter device electrically connected to the one or more power distribution units, wherein the power line filter device is configured to be electrically connected to a power source for the one or more power distribution units at a location between the power source and the one or more power distribution units; and

a distribution switchboard electrically connected to the power line filter device and to the one or more power distribution units at a location between the power line filter device and the one or more power distribution units, wherein:

the distribution switchboard comprises a plurality of circuit breakers;

the distribution switchboard is electrically connected to the power line filter device through at least a first power line located upstream of the distribution switchboard; and

the distribution switchboard is electrically connected to the one or more power distribution units through at least a second power line located upstream of the one or more power distribution units and downstream of the first power line.

7. The apparatus of claim 6 further comprising a plurality of information technology devices electrically connected to the one or more power distribution units through a plurality of power lines, wherein the second power line is further located upstream of the plurality of power lines.

8. The apparatus of claim 6 wherein:

the one or more power distribution units comprise a plurality of power distribution units corresponding to a plurality of electronic equipment racks; and

the plurality of electronic equipment racks comprise components of an electronic equipment module.

9. The apparatus of claim 6 wherein:

the one or more power distribution units comprise a plurality of power distribution units corresponding to a plurality of electronic equipment racks; and

the distribution switchboard is electrically connected to the plurality of power distribution units through a plurality of power lines located upstream of the plurality of power distribution units.

10. A method comprising:

electrically connecting a plurality of information technology devices to one or more power distribution units through a plurality of power lines;

electrically connecting a power source to the one or more power distribution units;

electrically connecting a power line filter device to the power source and to the one or more power distribution units at a location between the power source and the one or more power distribution units;

using the power line filter device to condition one or more of a plurality of signals in one or more of the plurality of power lines to prevent emission of data corresponding to one or more of the plurality of information technology devices; and

electrically connecting a distribution switchboard to the power source and to the power line filter device at a location between the power source and the power line filter device;

wherein the power line filter device is electrically connected to the distribution switchboard at a location between the distribution switchboard and the one or more power distribution units; and

wherein the distribution switchboard comprises a plurality of circuit breakers.

11. The method of claim 10 wherein the power line filter device is electrically connected to the one or more power distribution units through at least one power line located upstream of the one or more power distribution units and of the plurality of power lines electrically connecting the plurality of information technology devices to the one or more power distribution units.

12. The method of claim 10 wherein the one or more power distribution units and the plurality of information technology devices comprise components of an electronic equipment rack.

13. The method of claim 10 wherein the plurality of information technology devices comprise at least one of a storage drive, a processor, a server and a network switch.

14. An apparatus comprising:

one or more power distribution units, wherein a power source is electrically connected to the one or more power distribution units;

a power line filter device electrically connected to the power source and to the one or more power distribution units, wherein the power line filter device is located downstream of the power source and upstream of the one or more power distribution units;

at least one electronic equipment rack comprising the one or more power distribution units; and

a distribution switchboard electrically connected to the power source and to the power line filter device, wherein the distribution switchboard is located downstream of the power source and upstream of the power line filter device, and wherein the distribution switchboard comprises a plurality of circuit breakers.

15. The apparatus of claim 14 further comprising a plurality of information technology devices electrically connected to the one or more power distribution units through a plurality of power lines, wherein the power line filter device is configured to condition one or more of a plurality of signals in one or more of the plurality of power lines to prevent emission of data corresponding to one or more of the plurality of information technology devices.

16. The apparatus of claim 15 wherein the plurality of information technology devices comprise at least one of a storage drive, a processor, a server and a network switch.

17. The apparatus of claim 14 further comprising a plurality of information technology devices electrically connected to the one or more power distribution units through a plurality of power lines, wherein the power line filter device is electrically connected to the one or more power distribution units through at least one power line located upstream of the one or more power distribution units and of the plurality of power lines electrically connecting the plurality of information technology devices to the one or more power distribution units.

18. An apparatus comprising:

one or more power distribution units, wherein a power source is electrically connected to the one or more power distribution units;

a power line filter device electrically connected to the power source and to the one or more power distribution units, wherein the power line filter device is located downstream of the power source and upstream of the one or more power distribution units;

at least one electronic equipment rack comprising the one or more power distribution units; and

a distribution switchboard electrically connected to the power line filter device and to the one or more power distribution units, wherein:

the distribution switchboard is located downstream of the power line filter device and upstream of the one or more power distribution units;

the distribution switchboard comprises a plurality of circuit breakers;

the distribution switchboard is electrically connected to the power line filter device through at least a first power line located upstream of the distribution switchboard; and

the distribution switchboard is electrically connected to the one or more power distribution units through at least a second power line located upstream of the one or more power distribution units and downstream of the first power line.

19. The apparatus of claim 18 further comprising a plurality of information technology devices electrically connected to the one or more power distribution units through a plurality of power lines, wherein the second power line is further located upstream of the plurality of power lines.

20. The apparatus of claim 18 wherein:

the one or more power distribution units comprise a plurality of power distribution units corresponding to a plurality of electronic equipment racks; and

the plurality of electronic equipment racks comprise components of an electronic equipment module.