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Cisco

Cisco DP04QSDD-ULH-A1 | 400G QSFP-DD coherent, ULH OpenZR+/OpenROADM, C-band tunable (1528-1568 nm), ultra long-haul reach (1000+ km with line system), duplex LC, 400GE/OTU4 client

SKU:DP04QSDD-ULH-A1

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Description

Ultra long-haul coherent 400G QSFP-DD module engineered for regional and long-distance DWDM networks. Supports OpenZR+/OpenROADM-style line operation and tunable C-band wavelengths to integrate with amplified/ROADM line systems for 1000+ km spans under appropriate configurations.

Features

- Coherent QSFP-DD pluggable for regional and long-haul DWDM
- ULH performance with tunable C-band wavelengths
- Profile flexibility for optimizing capacity vs distance
- Interoperability with OpenZR+/OpenROADM-style networks
- Compact, power-optimized design for dense platforms

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Data rate: 400 Gbit/s (400GE client); sub-rate/mode options for longer reach
- Form factor: QSFP-DD (MSA compliant)
- Optical technology: Coherent DWDM (DCO)
- Line operation: OpenZR+/OpenROADM-style profiles (mode dependent)
- Client interfaces: 400GE; OTU4 support depending on host/profile
- Wavelength: C-band tunable, ITU-T DWDM grid (approx. 1528-1568 nm)
- Connector: Duplex LC
- Reach: Ultra long-haul with appropriate ROADM/amplified line systems (1000+ km in lower-order modulation modes)
- Modulation: Programmable (e.g., 16QAM/QPSK) for performance vs reach
- FEC: High-gain oFEC/CFEC as per profile
- Monitoring: DOM/performance monitoring supported

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