Cisco 4x10GBASE-LR QSFP Modules for SMFCisco 4x10GBASE LR QSFP Modules for SMF 40GBASE LR S QSFP+ Module Upgrade your data center or enterprise network with the Cisco QSFP 4X10G LR S QSFP module, a high performance, long reach 40G optical solution designed for single mode fiber. This engineering grade transceiver delivers four independent 10 Gigabit Ethernet lanes in a compact QSFP+ package, enabling robust, scalable uplinks and core connectivity over standard G. 652 SMF up to 10
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