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100G QSFP28 ZR4
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100G QSFP28 ZR4

100G QSFP28 ZR4

100G QSFP28 ZR4—4×25G LAN-WDM @ ~1310 nm over LC-duplex, up to 80 km on OS2; CAUI-4 electrical, SFF-8636 DOM—ideal for metro DCI and long-reach aggregation.

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The 100G QSFP28 ZR4 is a 100-Gigabit Ethernet single-mode transceiver engineered for up to 80 km reach. It multiplexes 4×25G NRZ LAN-WDM wavelengths near 1310 nm onto a duplex LC interface and presents a CAUI-4 (4×25.78 Gbps) electrical host—ideal for metro access/aggregation, campus DCI, and long-reach backbones over existing SMF. Typical designs employ EML transmitters and high-sensitivity APD receivers with host FEC for robust performance on long spans.

  • Standards & Management

    • Optical: 100GBASE-ZR4 (MSA)

    • Electrical host: CAUI-4 (4×25.78 Gbps NRZ)

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

  • Optics & Reach

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

    • Connector/Fiber: LC duplex, OS2 SMF

    • Reach: up to 80 km (link-budget dependent; host FEC recommended)

  • Performance & Power

    • Line rate: 100 GbE (4×25G NRZ)

    • Typical module power: ≤ 6.5 W (platform-dependent)

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

  • Reliability & Environment

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

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

    • RoHS/REACH compliant

  • Use Cases

    • Metro/Access Aggregation with 80 km spans

    • Campus/Metro DCI over existing single-mode plant

    • Long-reach aggregation where simple LC-duplex cabling is preferred

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