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PIANO OTN Edition

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Best Portable Solution for Optical Transport Testing

HYWICOM's PIANO tester isn't just another portable network tester—it redefines the category. Breaking the norms of traditional portable testers, it combines compact design with lab-grade flagship performance. 


While other portable testers on the market are limited to testing a single 800G port, PIANO sets a new industry benchmark with full-line-rate parallel testing across four 800G ports. It features the industry's highest port density, scalable up to 8 × 800G ports. Supporting a multi-rate portfolio from 1G to 800G and multiple form factors (CFP2, OSFP, QSFP-DD, SFP+), each port operates independently to enable true mixed-rate testing across all ports. Additionally, it delivers comprehensive protocol analysis, traffic generation and performance validation for Ethernet and OTN services.


  • Highlights
  • Compact & Lightweight
    Perfect for on-site debug and demos
  • All Form Factors
    OSFP, OSFP-RHS, QSFP-DD
    CFP2, SFP
  • Dual Protocols
    OTN &
    Ethernet
  • Max 4-hour Battery Life
    Double or triple that from other testers
  • Best Display
    11.6-inch
    1080p Full HD
    1,000 nits brightness
  • Gold Winner
    MUSE Design Awards
  • Confident & Joyful Outdoor Testing

    The PIANO OTN features a modular dual-slot design for flexible test module configuration. It is equipped with an 11.6-inch, 1080p Full HD touchscreen with 1,000 nits brightness, plus a 95Wh high-capacity dual-battery system, delivering clear visibility and long battery life for field engineering applications.

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      Compact and Lightweight
        • Perfect for on-site debug and demos

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      Dual-slot Architecture
        • Future proof

        • Flexible configuration and easy upgrade


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      Up to 4 Hours of Battery Life
        • Worry-free onsite maintenance

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      Largest & Finest Display
        • 11.6-inch, 1080p Full HD touchscreen (1920*1080)

        • Clear outdoor display with 1,000 nits brightness


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      Hybrid Multi-Port
        • 2x QSFP-DD +2x SFP-DD

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      Hybrid Multi-Port — Dual-slot
        • 2x QSFP-DD +2x SFP-DD

  • Easy, Efficieny, and User-friendly

    HYWICOM's latest fully graphical intelligent software platform, maintaining the acclaimed user interface for enhanced convenience, with comprehensive monitoring and testing capabilities.

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      User-friendly GUI
        • Fully graphical intelligent software platform

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      Simple and Ease of Use
        • Single-page display for all functions & results

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      High Testing Efficiency‌
        • Just 4 steps to set up a test

  • ‌Comprehensive OTN & Coherent Testing and Verification‌

    The ‌PIANO OTN‌ supports full ‌800G-10G OTN optical transport protocols‌, enabling detailed inspection and verification of OTN frame structures, overhead bytes, mapping, and up to second‑order OTN multiplexing OTN multiplexing‌. It also provides ‌precise latency measurement‌ and Service Disruption Time (SDT) measurement‌.

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      Ethernet & OTN Dual Protocol Analysis
        • 800GE-1GE

        • 400G OTUCn, FlexO, OTU4, OTU2

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      Full-coverage Coherent Testing
        • 800ZR/400ZR/100ZR

        • CFP2-DCO, DCI & Satellite optimized

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      <10-second Switching between Test Modes
        • Compared to other testers, which take 3-5 minutes to cycle

        • Significantly boosts efficiency by saving >90% time


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