QSFP-40G-LR4= 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. Quick Specs Table 1 shows the Quick Specs. Product Code QSFP-40G-LR4= Description Cisco 40GBASE-LR4 QSFP Module for SMF with OTU-3 data-rate support Dimensions 13.5 x 18.4 x 72.4 mm 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 Product Details Features and benefits of Cisco QSFP 40G modules: Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port Interoperable with other IEEE-compliant 40GBASE interfaces where applicable Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability High-speed electrical interface compliant to the IEEE 802.3ba standard QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA) Compare to Similar Items Table 2 shows the comparison. Product Code QSFP-40G-ER4= QSFP-40G-LR4= Description Cisco 40GBASE-ER4 Module for SMF with OTU-3 data-rate support Cisco 40GBASE-LR4 QSFP Module for SMF with OTU-3 data-rate support Dimensions 13.5 x 18.4 x 72.4 mm 13.5 x 18.4 x 72.4 mm Wavelength (nm) 1310 1310 Cable Type SMF SMF Core Size (microns) G.652 G.652 Modal Bandwidth (MHz-km) Cable Distance 40km 10km Power Consumption (W) 3.5 3.5 Pull Tab Color Red Blue QSFP-40G-LR4= Specification QSFP-40G-LR4= Specification Description Cisco 40GBASE-LR4 QSFP Module for SMF with OTU-3 data-rate support 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 with OTU3 data rate support, 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