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The Cisco Nexus 7000 Series 48-Port Gigabit Ethernet Module with XL Option (Figure 3) is a highly scalable module designed for performance-driven, mission-critical Ethernet networks. The module uses the M1-XL forwarding engines, providing a throughput of up to 60 Mpps; 48 high-density Gigabit Ethernet ports; and a larger FIB table. The module supports a broad range of SFP optics, allowing deployment in various types of situations, from long-reach intersite over single-mode fiber to short and medium reaches over multimode fiber for data center and campus environments. The 48-port Gigabit Ethernet module is supported by both the 18-slot and the 10-slot chassis (Cisco NX-OS 5.0 and later).