Refurbished: Cisco 40Gbps Module 40GBASE-CSR4 QSFP MPO MMF


The Cisco 40GBASE-CSR4 QSFP Module extends the reach of the IEEE 40GBASE-SR4 interface to 300m and 400m on laser-optimized OM3 and OM4 multimode parallel fiber, respectively. Each 10-gigabit lane of this module is compliant to IEEE 10GBASE-SR specifications. This module can be used for native 40G optical links over 12- fiber parallel cables with MPO/MTP connectors or in a 4x10G mode with parallel to duplex fiber breakout cables for connectivity to four 10GBASE-SR interfaces. Cisco QSFP-40G-CSR4 is optimized to guarantee interoperability over the full specification range of 10GBASE-SR.

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