Cisco Catalyst 3560-E Series is (Figure 1) an enterprise-class line of standalone access and aggregation switches that facilitate the deployment of secure converged applications while maximizing investment protection for evolving network and application requirements. Combining 10/100/1000 and Power over Ethernet (PoE) configurations with 10 Gigabit Ethernet uplinks, the Cisco Catalyst 3560-E Series access switches enhance worker productivity by enabling applications such as IP telephony, wireless, and video. Cisco Catalyst 3560-E Series aggregation switches deliver secure non-stop unified network services and versatile connectivity in a one rack-unit (1-RU) form factor for space and power constrained environments, enabling businesses to reduce total cost of ownership while maximizing investment protection. Cisco Catalyst 3560-E Series Primary Features: - Cisco TwinGig converter module for migrating uplinks from Gigabit Ethernet to 10 Gigabit Ethernet. - PoE configurations with 15.4W of PoE on all 48 ports. - Industry first portfolio to scale beyond 15.4W per port delivering maximum solution simplicity for 802.11n access point deployments. - Access switch models have modular fan and power supply with externally available backup. - Dual redundant modular power supplies and fans for Cisco Catalyst 3560E-12D and Catalyst 3560E-12SD aggregation switches for nonstop operation. - Multicast routing, IPv6 routing, and access control list (ACL) in hardware. - Out-of-band Ethernet management port along with RS-232 console port. Please Note: This product may not come with brackets.