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The inside of a Cisco 1900-series switch. Catalyst is the brand for a variety of network switches, wireless controllers, and wireless access points sold by Cisco Systems.While commonly associated with Ethernet switches, a number of different types of network interfaces have been available throughout the history of the brand.
Some Cisco WLAN access points and VoIP phones supported a proprietary form of PoE [49] many years before there was an IEEE standard for delivering PoE. Cisco's original PoE implementation is not software upgradeable to the IEEE 802.3af standard. Cisco's original PoE equipment is capable of delivering up to 10 W per port.
Switch 8800 - 7-, 10- and 14-slot configurations with optional dual load-sharing fabric modules. Of total slots, two reserved for fabrics. Backplane capacity 1.44 Terabit-per-second. Up to 48 10 Gigabit ports or 576 Gigabit ports, with optional PoE. Switch 7900E - 4-, 5-, 8-, and 12-slot configurations with optional dual fabric modules.
Stackable switches are customarily Ethernet, rack-mounted, managed switches of 1–2 rack unit (RU) in size, with a fixed set of data ports on the front. Some models have slots for optional slide-in modules to add ports or features to the base stackable unit. The most common configurations are 24-port and 48-port models.
The Cisco Nexus series switches are modular and fixed port network switches designed for the data center. Cisco Systems introduced the Nexus Series of switches on January 28, 2008. The first chassis in the Nexus 7000 family is a 10-slot chassis with two supervisor engine slots and eight I/O module slots at the front, as well as five crossbar ...
This product line became available in 2007 with software release 4.0 [4] [5] and the device was demonstrated in March at the 'Spring VoiceCon 2007'. [6] In March 2007 the product started to ship, and then in May 2007 a detailed evaluation between this switch and two competitor's switches identified that this switch had a better performance and better total cost of ownership.
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