A. Cisco® Multigigabit Ethernet is a unique Cisco innovation to the new Cisco Catalyst® Ethernet Access Switches. With the enormous growth of 802.11ac and new wireless applications, wireless devices are driving the demand for more network bandwidth. This creates a need for a technology that supports speeds higher than 1 Gbps on all cabling infrastructure. Cisco multigigabit technology allows you to achieve bandwidth between speeds of 1 and 10 Gbps over traditional Cat 5e cabling or above. In addition, the multigigabit ports on select Cisco Catalyst switches support Universal Power Over Ethernet (UPOE), which is increasingly important for next-generation workspaces and Internet of Things (IoT) ecosystems.
Q. What are the key benefits of this new technology?
A. Cisco multigigabit technology offers significant benefits for a diverse range of speeds, cable types, and Power Over Ethernet (POE) power. The benefits can be grouped into three different areas:
● Multiple speeds: Cisco multigigabit technology supports auto-negotiation of multiple speeds on switch ports. The supported speeds are 100 Mbps, 1 Gbps, 2.5 Gbps, and 5 Gbps on Cat 5e cable and up to 10 Gbps over Cat 6a cabling.
● Cable type: The technology supports a wide range of cable types including Cat 5e, Cat 6, and Cat 6a or above.
● POE power: The technology supports POE, POE+, and UPOE for all the supported speeds and cable types.
http://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise-networks/catalyst-multigigabit-switching/multigigabit-ethernet-technology.pdf
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