QSFP-40G-LR4-S Overview The Cisco 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing 00networks, enterprise core and distribution layers, and service provider applications. QSFP-40G-LR4-S Specification QSFP-40G-LR4-S Specification Description Cisco 40GBASE-LR4 QSFP Module for SMF Dimensions 13.5 x 18.4 x 72.4 mm QSFP Port cabling specifications Wavelength (nm) 1310 Cable Type SMF Core Size (microns) G.652 Modal Bandwidth (MHz-km) Cable Distance 10km Power Consumption (W) 3.5 Pull Tab Color Blue Optical characteristics Type 40GBASE-LR4, 1310 nm, SMF Transmit Power (dBm) Max:+2.3 per lane Min:-7.0 per lane Receive Power (dBm) Max:+2.3 per lane Min:-13.7 per lane Transmit and Receive Wavelength (nm) Four lanes: 1271, 1291, 1311, 1331 Environmental conditions Commercial temperature 0 to 70C (32 to 158F) Storage temperature -40 to 85C (-40 to 185F) Regulatory and standards compliance Standards GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors IEEE 802.3ba (-SR4, -LR4) IEEE 802.3ae (-CSR4) QSFP+ MSA SFF-8436 SFP+ MSA SFF-8431 and -8461 RoHS 6 Safety Cable jacket of QSFP copper modules is UL E116441 Compliant QSFP copper cables are ELV Compliant
