Cisco 40GBASE-CSR4 QSFP+ Module for MMF - For Data Networking, Optical Network 1 MTP 40GBase-CSR4 Network - Optical Fiber62.5 µm, 50 µm - Multi-mode - 40 Gigabit Ethernet - 40GBase-CSR4 QSFP-40G-CSR4-RF

The Cisco 40GBASE-CSR4 QSFP+ Module is similar to the 40GBASE-SR4 interface extends supported link lengths to 300m and 400m respectively on laser-optimized OM3 and OM4 multimode fiber cables. 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 ribbon cables with MPO/MTP connectors, or in 4x10G mode with ribbon to duplex fiber breakout cables for connectivity to four 10GBASE-SR interfaces. Maximum channel insertion loss allowed is respectively 2.6dB over 300m of OM3 cable or 2.9dB over 400m of OM4 cable.

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