The QSFP-100G-CWDM4-S is a compact QSFP28 transceiver designed for 100Gbps short-reach data transmission, utilizing Coarse Wavelength Division Multiplexing (CWDM) over 2km of single-mode fiber with a 1310nm-based wavelength scheme and duplex LC connectors. It aggregates four 25Gbps lanes (each on distinct CWDM wavelengths around 1310nm) to deliver 100Gbps throughput, making it ideal for data center interconnects (DCIs), high-performance computing (HPC) clusters, and short-haul metro links. Featuring hot-swappable functionality, integrated DDM/DOM for real-time monitoring, and compliance with industry standards, it ensures seamless integration into high-density 100G networks.
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CWDM Technology: Leverages four CWDM wavelengths (centered around 1310nm) to multiplex 4x25Gbps signals into a single 100Gbps stream, optimizing fiber usage without requiring dense wavelength division multiplexing (DWDM) complexity.
Short-Reach Focus: Supports reliable 100Gbps transmission over 2km of 9/125μm single-mode fiber, targeting intra-data center or campus interconnects where longer distances are unnecessary.
Practical Integration: Hot-swappable QSFP28 form factor fits standard QSFP+ ports, includes DDM/DOM for tracking operating parameters (temperature, power), and complies with CWDM4 MSA standards for broad vendor compatibility.
Specification
| Parameter | Details |
|---|---|
| Form Factor | QSFP28 |
| Data Rate | 100Gbps (aggregate, 4 x 25.78125Gbps lanes) |
| Wavelengths | 4 CWDM wavelengths around 1310nm (typically 1271nm, 1291nm, 1311nm, 1331nm) |
| Transmission Distance | Up to 2km over 9/125μm single-mode fiber (SMF) |
| Connector Type | Duplex LC |
| Protocol Compliance | CWDM4 MSA, IEEE 802.3bm (100GBASE-CWDM4), SFF-8665 |
| Optical Performance | - Transmit power: -8 ~ 0dBm (per lane)- Receive sensitivity: ≤ -14dBm (per lane)- Power budget: 6dB |
| Power Consumption | Max 3.5W (3.3V supply) |
| Operating Temperature | 0°C ~ 70°C (commercial range) |
| Diagnostics | Supports DDM/DOM (Digital Diagnostic Monitoring) |
| Key Features | Hot-swappable, RoHS compliant, FEC support, low latency |
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