Cisco QSFP-40G-LR4-S 40G QSFP+ LR4 10km SMF Transceiver

• Data center spine-to-spine fiber connectivity
• Enterprise core network optical uplink deployment
• Campus backbone long-distance fiber networking
• Cloud infrastructure high-speed optical interconnects
• Financial institution low-latency fiber networks
• Telecommunications aggregation Ethernet connections
• Government secure fiber backbone infrastructure
• High-bandwidth disaster recovery site connectivity
• Metro enterprise optical transport environments
• 40GbE switch-to-switch backbone deployments

• 40GbE bandwidth enables high-capacity network connections
• Supports transmission distances up to 10 kilometers
• Duplex LC connector simplifies fiber deployment
• Single-mode fiber support enables long-distance links
• Digital Optical Monitoring improves network visibility
• Hot-swappable design minimizes maintenance downtime
• Low power consumption reduces operational expenses
• IEEE 802.3ba compliance ensures interoperability
• QSFP+ form factor supports compact network density
• Four optical lanes deliver reliable 40Gbps throughput
• Enterprise-grade optics improve network availability
• Designed for data center backbone connectivity
• Stable optical performance supports mission-critical traffic
• S-Class architecture optimizes Ethernet deployments
• Reliable long-haul connectivity for core infrastructure

• Brand: Cisco
• Model: QSFP-40G-LR4-S=
• Product Type: Optical Transceiver Module
• Interface: 40GBASE-LR4
• Form Factor: QSFP+ (Quad Small Form-Factor Pluggable Plus)
• Data Rate: 40 Gbps
• Maximum Distance: 10 km (6.2 Miles)
• Fiber Type: Single-Mode Fiber (SMF)
• Connector Type: Duplex LC
• Wavelength: 1271 nm, 1291 nm, 1311 nm, 1331 nm
• Digital Optical Monitoring (DOM): Supported
• Hot Swappable: Yes
• Maximum Power Consumption: 3.5 W
• Operating Temperature: 0°C to 70°C (32°F to 158°F)
• Compliance: IEEE 802.3ba
• Industry Standard: QSFP+ MSA
• Application: 40 Gigabit Ethernet

WHY CHOOSE THIS PRODUCT?

• Delivers reliable 40GbE connectivity over 10km SMF links.
• Cisco S-Class optics provide cost-efficient Ethernet deployment.
• DOM simplifies proactive network monitoring and diagnostics.
• Hot-swappable installation reduces maintenance interruptions.
• Low power consumption lowers long-term operating costs.
• Standards-based design ensures broad interoperability.
• Ideal for enterprise, cloud, and data center infrastructure.
• Trusted Cisco optical technology supports business continuity.