Network tap/aggregator configured for power over ethernet operation
View Patent ↗A network tap device array capable of being powered by a power-over Ethernet (“POE”) supply is disclosed. The array enables data from multiple nodes in a communications network to be tapped and forwarded to a plurality of monitoring devices. In one embodiment the network tap device array includes a chassis that is configured to receive a plurality of network tap devices that are each powered by a POE supply. Each network tap device includes network ports for receiving and transmitting network data via communication cables and tap ports for forwarding the tapped network data to the monitoring device. In another embodiment, a sub-chassis includes a plurality of network tap devices and an aggregator that aggregates tapped data from each of the tap devices. The aggregator then forwards the aggregated data to the monitoring device. The sub-chassis can be included in a chassis that is configured to receive multiple populated chassis.
1. A power-over-Ethernet powered network tap device array, comprising:
a chassis; and
a plurality of network tap devices included in the chassis, each network tap device comprising a network port and a tap port, the network port configured to operably connect with a communication cable carrying a power-over-Ethernet supply,
at least one of the network tap devices being powered by the power-over-Ethernet supply, and
at least one of the network taps configured to forward a portion of the power-over-Ethernet supply through the tap port to power any monitoring device connected to the tap port via a communication cable.
2. The network tap device array as defined in claim 1 , wherein each network tap device further includes a second network port configured to operably connect with a communication cable, the communication cable configured to carry data signals to and from the respective network tap device, the communication cable further configured to carry a power-over-Ethernet supply.
3. The network tap device array as defined in claim 2 , wherein the first and second network ports are RJ-45 ports located on a front face of each network tap device.
4. The network tap device as defined in claim 1 , wherein each of at least some of the network tap devices is exclusively and operably connected to a respective monitoring device.
5. The network tap device array as defined in claim 1 , wherein the network tap devices are included in a plurality of sub-chassis that are each included in the chassis.
6. The network tap device as defined in claim 5 , wherein each sub-chassis of the chassis includes a plurality of network tap devices and an aggregator device, the aggregator device being operably connected to each of the network tap devices included in the sub-chassis.
7. The network tap device as defined in claim 6 , wherein each network tap device is powered by the power-over-Ethernet supply, and wherein the aggregator device is also powered by the power-over-Ethernet supply.
8. A network tap device array for monitoring data transmitted via a communications network, the array comprising:
a chassis; and
a plurality of network tap devices positioned in the chassis, each network tap device including:
first and second network ports configured to operably connect with communication cables, the communication cables configured to carry data signals to and from the network tap device, the communication cables further configured to carry a power-over-Ethernet supply;
first and second tap ports configured to operably connect with communication cables, the communication cables configured to carry data signals and at least a portion of the power-over-Ethernet supply to at least one connected device; and
control and regulation circuitry that is configured to receive the power-over-Ethernet supply from at least one of the communication cables via the respective one of the first and second network ports, wherein the control and regulation circuitry is configured to forward the at least a portion of the power-over-Ethernet supply through at least one of the tap ports to the at least one connected device.
9. The network tap device array as defined in claim 8 , wherein each network tap device is configured according to a blade design, and wherein each network tap devices includes a front face.
10. The network tap device array as defined in claim 9 , wherein the first and second network ports and the first and second tap ports are included on the front face of each network tap device.
11. The network tap device array as defined in claim 10 , wherein each of at least some of the network tap devices includes an LED panel for communicating details regarding the operating condition of the respective network tap device.
12. The network tap device as defined in claim 11 , wherein the LED panel includes an LED that is lit when a power-over-Ethernet supply is present on one of the communication cables that are operably connected to one of the first and second network ports, and wherein the LED panel includes at least one LED that is lit when a link is established between the communications network and one of the first and second network ports.
13. The network tap device array as defined in claim 12 , wherein each of at least some of the network tap devices is approximately 3.5 inches wide by about 1.4 inches high by about 5.5 inches deep.
14. The network tap device array as defined in claim 13 , wherein each of at least some of the network tap devices is configured to acceptably operate within a temperature range from approximately zero to 40 degrees Celsius and within an altitude range from approximately −60 meters to about 3000 meters.
15. The network tap device array as defined in claim 14 , wherein each of at least some of the network tap devices is configured to operate with a range of data rates from approximately 10 Mb per second to at least 1 Gbit per second.
16. The network tap device array as defined in claim 15 , wherein the chassis is configured to accommodate 24 network tap devices in a 12-by-2 arrangement.
17. The network tap device array as defined in claim 15 , wherein each of at least some of the network tap devices is configured to be hot swapped into and out of the chassis.
18. A network tap/aggregator device array included in a communications network, comprising:
a sub-chassis;
a plurality of network tap devices included in the sub-chassis, each network tap device being powered by a power-over-Ethernet supply, each network tap device capable of outputting a stream of data relating to data transmitted via the communications network; and
at least one aggregator that receives and aggregates the streams of data output from each of the network tap devices, the at least one aggregator configured to forward the aggregated data to a monitoring device, wherein the at least one aggregator is capable of being powered by the power-over-Ethernet supply received from one or more of the network tap devices.
19. The network tap/aggregator device array as defined in claim 18 , wherein each aggregator is further capable of being powered by a DC power supply.
20. The network tap/aggregator device array as defined in claim 19 , wherein the sub-chassis is capable of receiving five network tap devices and one aggregator therein.
21. The network tap/aggregator device array as defined in claim 20 , wherein multiple sub-chassis are received into a chassis.
22. The network tap/aggregator device array as defined in claim 21 , wherein each network tap device includes two network ports on a front face thereof, and wherein the aggregator includes two tap ports on a front face thereof.
23. The network tap/aggregator device as defined in claim 22 , wherein each network tap device is operably connected to the aggregator within the sub-chassis via a backplane connector, and wherein the power-over-Ethernet supply is received by the aggregator via the backplane connector.
24. The network tap/aggregator device array as defined in claim 23 , wherein each network tap device is capable of data buffering, and wherein the aggregator is capable of auto-detection of sub-chassis devices.
25. The network tap/aggregator device array as defined in claim 24 , wherein each of the network tap devices is capable of being powered by a DC power supply.