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200G QSFP56 SR4
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200G QSFP56 SR4

200G QSFP56 SR4

200G QSFP56 SR4—4×50G PAM4 @ 850 nm over MPO-12; up to 70 m (OM3) / 100 m (OM4/OM5); 200GAUI-4 electrical, CMIS management—ideal for high-density spine/leaf and 4×50G breakouts.

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Multiple Choice

The 200G QSFP56 SR4 is a 200-Gigabit Ethernet multimode transceiver for short-reach, high-density data-center links. It uses 4×50G PAM4 at 850 nm over MTP/MPO-12 (8 fibers active) and a 200GAUI-4 electrical host—ideal for spine/leaf fabrics and 4×50G breakouts to TOR/aggregation switches.

  • Standards & Management

    • IEEE 802.3cd 200GBASE-SR4 compliant

    • Electrical host: 200GAUI-4 (4×53.125 Gbps PAM4, host KP4 FEC)

    • Module management: CMIS 4.0+ (vendor platforms may support SFF-8636)

  • Optics & Reach

    • Wavelength: 850 nm VCSEL, parallel optics

    • Fiber/Connector: OM3/OM4/OM5 MMF, MTP/MPO-12

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

  • Performance & Power

    • Line rate: 200 GbE (4×50G PAM4)

    • Typical power: ≤ 5 W (platform-dependent)

    • Low BER with host KP4 FEC; PRBS/loopback support

  • Reliability & Environment

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

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

    • RoHS/REACH compliant

  • Use Cases

    • 200G spine–leaf interconnects inside/between rows

    • 4×50G breakout to access layers via MPO-to-LC harness/cassettes

    • Short-reach campus/CO backbones using existing MMF plant

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Expert Integration & Customization

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.

Industry-Leading Speed

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.