Cisco WS-X4712-SFP+E= Catalyst 4500E Series 12-Port 10 Gigabit Ethernet (SFP+) Specifications: Catalyst 4500E Series 12-Port 10 Gigabit Ethernet (SFP+) 48 gigabits per-slot capacity Bandwidth is allocated across four 3-port groups, providing 12 Gbps per port group (2.5:1) Up to 12 ports 10GE SFP+ (10GBASE-R) or 12 ports GE SFP (1GBASE-X) SFP+ and SFP can be used simultaneously on the same line card without any restrictions Cisco IOS XE Release 3.1.0SG or later IEEE 802.1AE and Cisco TrustSec capability in hardware L2-4 Jumbo Frame support (up to 9216 bytes) Enterprise and commercial: designed for high-speed backbone and switch-to-switch applications Service provider: 10GE/GE mix aggregation for DSLAM/PON/mobile data backhaul WS-X4712-SFP+E is not supported on 4507R-E and 4510R-E chassis.

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The Cisco Catalyst 4500E Series also supports 10 Gigabit Ethernet line cards. The Cisco Catalyst 4500 12-port E-Series 10 Gigabit Ethernet line card (2.5:1 oversubscribed) can be deployed for high-performance and high density 10 Gigabit Ethernet aggregation in the campus and in small to medium networks as a core switch. The Cisco Catalyst 4500E Series 12-port 10 Gigabit Ethernet line card supports standard Small Form-Factor Pluggable Plus (SFP+) optics. Manufacturer: Cisco Systems, Inc Manufacturer Part Number: WS-X4712-SFP+E= Manufacturer Website Address: http://www.cisco.com Brand Name: Cisco Product Model: WS-X4712-SFP+E Product Name: WS-X4712-SFP+E Line Card Product Type: Service Module Technical Information: Application/Usage: Optical Network I/O Expansions: Expansion Slot Type: SFP+ Compatibility: Catalyst 4500E Series Switches

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Cisco Line Card E-Series - Switch - 12 x 10 Gigabit SFP+ - plug-in module