Cisco QSFP-100G-LR4-S — 100GBASE-LR4 1310nm 10km Single-Mode Fiber QSFP28 Transceiver

Product Name: Cisco QSFP-100G-LR4-S

• Description: Hot-swappable 100 Gigabit Ethernet QSFP28 optical transceiver module manufactured by Cisco Systems. Supports long-reach 100GBASE-LR4 optical links up to 10 kilometers over standard single-mode fiber (SMF, G.652) using duplex LC connectors. Utilizes 4 LAN-WDM optical channels operating in the 1310 nm wavelength grid (1295.56nm to 1309.14nm) to transmit high-speed data. Features Digital Optical Monitoring (DOM) for real-time diagnostic monitoring.

• Manufacturer: Cisco Systems

• Part Number: QSFP-100G-LR4-S (Spare P/N: QSFP-100G-LR4-S=)

• Compatibility: Supported across Cisco enterprise switches, core routers, and data center platforms equipped with 100G QSFP28 slots (Cisco Nexus 3000/9000, Catalyst 9500/9600, ASR 1000/9000, and NCS 5500 Series).

• Typical Applications: Data center interconnects (DCI), enterprise core backbones, service provider metro networks, high-performance computing (HPC) links

Form Factor: QSFP28 (Quad Small Form-Factor Pluggable 28)

• Data Rate: 100 Gbps (4 x 25.78 Gbps lanes)

• Wavelength: LAN-WDM Grid (1295.56 nm, 1300.05 nm, 1304.58 nm, 1309.14 nm)

• Fiber Type: Single-Mode Fiber (SMF, OS2 / G.652)

• Connector Type: Duplex LC

• Maximum Cable Distance: Up to 10 km (6.2 miles)

• Transmitter Type: Cooled LAN-WDM EML TOSA

• Receiver Type: PIN ROSA

• Digital Optical Monitoring (DOM / DDM): Supported

• Power Consumption: Max 3.5 W

• Pull Tab Color: Blue

• Operating Temperature: 0°C to 70°C (32°F to 158°F)

• Standards Compliance: IEEE 802.3ba 100GBASE-LR4, IEEE 802.3bm, SFF-8665, SFF-8636, Class 1 Laser Safety

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