Product Name: Cisco QSFP-100G-DR-S
Description: 100 Gigabit Ethernet QSFP28 single-lambda optical transceiver module designed for high-density 100GbE data center connections and 400G-to-100G breakout applications. Converts a single 100G optical signal using PAM4 modulation at 1310nm nominal wavelength over single-mode fiber (SMF), supporting transmission distances up to 500 meters via duplex LC connectors. Fully compliant with 100GBASE-DR standards and inter-operable with 400G-DR4 modules in breakout configurations.
Manufacturer: Cisco Systems
Part Number: QSFP-100G-DR-S
Compatibility: Cisco networking switches and routers with native QSFP28/QSFP56 ports supporting 100G PAM4 (verify specific Cisco NX-OS/IOS-XR platform firmware compatibility)
Typical Applications: Data center intra-rack and inter-rack interconnects, 400G-DR4 to 4x 100G-DR breakout links, Spine-and-Leaf enterprise networks, High-density 100GbE campus dir="ltr" style="list-style-type: disc; font-size: 12pt; font-family: Arial, sans-serif; font-variant: normal; vertical-align: baseline; white-space: pre;" aria-level="1">
Form Factor: QSFP28 (Quad Small Form-factor Pluggable 28)
Data Rate: 100 Gbps (Single-Lambda 100G PAM4)
Standard Compliance: IEEE 802.3cd 100GBASE-DR, 100G Lambda MSA, SFF-8665, SFF-8636
Wavelength: 1310 nm
Fiber Type: Single-Mode Fiber (SMF)
Reach / Distance: Up to 500 meters
Connector: Duplex LC
Transmitter Type: EML (Electro-absorption Modulated Laser) / Silicon Photonics
Receiver Type: PIN Photodiode
Power Consumption: < 4.5W
Operating Temperature: 0°C to 70°C (Commercial)
Storage Temperature: -40°C to 85°C
Digital Diagnostics Monitoring (DDM): Yes (SFF-8636 compliant)
Hot-Pluggable: Yes
DOM Support: Yes — real-time monitoring of TX/RX power, module temperature, supply voltage, and laser bias current
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