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100G QSFP28 SR4
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100G QSFP28 SR4

100G QSFP28 SR4

100G QSFP28 SR4—4×25G NRZ @ 850 nm over MPO-12; up to 70 m (OM3) / 100 m (OM4/OM5), SFF-8636 DOM, low power—ideal for spine/leaf and 4×25G breakouts.

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The 100G QSFP28 SR4 is a 100-Gigabit Ethernet multimode transceiver for short-reach, high-density data-center links. It uses 4×25G NRZ at 850 nm over MTP/MPO-12 (8 fibers active) with a CAUI-4 (4×25.78 Gbps) electrical host—ideal for spine/leaf fabrics and 4×25G breakouts to TOR/aggregation switches.

  • Standards & Management

    • IEEE 802.3bm 100GBASE-SR4 compliant

    • Form factor: QSFP28 (SFF-8665)

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

  • Optics & Reach

    • Wavelength: 850 nm VCSEL, parallel optics

    • Fiber/Connector: MTP/MPO-12 (8F used; 4Tx/4Rx)

    • Reach: up to 70 m on OM3, 100 m on OM4/OM5

  • Performance & Power

    • Bit rate: 4×25.78 Gbps (100GbE)

    • Typical power: ≤ 2.5 W (≤ 3.5 W max, platform-dependent)

    • Low BER; PRBS/loopback support (host-dependent)

  • Reliability & Environment

    • Case temp: 0 ~ +70 °C (commercial); extended temp on request

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

    • RoHS/REACH compliant

  • Use Cases

    • 100G spine–leaf interconnects in data centers

    • 4×25G breakout via MPO-to-LC harness/cassettes

    • Short-reach campus/CO backbones

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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.