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100G QSFP28 LR4
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100G QSFP28 LR4

100G QSFP28 LR4

100G QSFP28 LR4—4×25G LAN-WDM @ ~1310 nm over LC-duplex, up to 10 km on OS2; CAUI-4 electrical, SFF-8636 DOM—ideal for long-reach data-center and campus links.

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The 100G QSFP28 LR4 is a 100-Gigabit Ethernet single-mode transceiver for links up to 10 km. It multiplexes 4×25G NRZ LAN-WDM wavelengths around 1310 nm onto a duplex LC interface and presents a CAUI-4 (4×25.78 Gbps) electrical host—ideal for spine/leaf fabrics, campus DCI, and long-reach aggregation over existing SMF.

  • Standards & Management

    • Optical: 100GBASE-LR4 (IEEE 802.3ba/802.3bm)

    • Form factor: QSFP28 (SFF-8665)

    • Management: SFF-8636 (DOM/diagnostics, alarms)

  • Optics & Reach

    • LAN-WDM wavelengths (typ.): 1295.56 / 1300.05 / 1304.58 / 1309.14 nm

    • Fiber/Connector: OS2 SMF, LC duplex

    • Reach: up to 10 km

  • Performance & Power

    • Line rate: 100 GbE (4×25G NRZ)

    • Typical power: ≤ 4.5 W (platform-dependent)

    • Low BER; PRBS/loopback test support (by host)

  • Reliability & Environment

    • Case temperature: 0 ~ +70 °C (commercial)

    • Laser safety: Class 1 (IEC 60825-1)

    • RoHS/REACH compliant

  • Use Cases

    • 100G spine–leaf interconnects requiring 10 km reach

    • Campus/metro DCI over single-mode plant

    • Long-reach aggregation with simple LC-duplex cabling

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Our senior optical engineers leverage a mature portfolio of DCI/OTN platforms and CWDM/DWDM modules to deliver precise customization and form/fit/function matching. From compact DCI BOX to coherent 100G/200G/400G line cards, we meet multi-vendor interoperability targets (e.g., OpenZR+/OpenROADM) and tailor interfaces, protection, and O&M to your requirements.

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Accelerate your rollout with rapid cycles: lab configurations in 1–3 days, standard builds shipping in 3–7 days, and pilot-friendly MOQs (1 unit for in-stock models; ≥5 units for custom). Move fast, validate quickly, and scale without risk.

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Quality is built into every stage. We operate under ISO 9001 and provide product-level safety/EMC compliance (CE, FCC, UL, TUV, CSA) plus RoHS/REACH. Advanced ERP/MES ensures full serial-level traceability and batch-to-batch consistency—your assurance of reliable optical transport at scale.