• Vibrant pink glossy Juniper QDD-2X100G-SR4 QSFP-DD 400G SR breakout sticker
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Juniper

Juniper QDD-2X100G-SR4 | QSFP-DD 400G SR breakout | 2x100GBASE-SR4 / 8x25GBASE-SR | 850nm | OM3 70m / OM4 100m | MPO-12 | 0–70C

QDD-2X100G-SR4

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Description

Short-reach, high-density QSFP-DD optical module supporting breakout into two 100G SR4 or eight 25G SR lanes over multimode fiber for leaf/spine fan-out and TOR aggregation.

Features

- Dual-mode breakout: 2x100G SR4 or 8x25G SR for flexible fan-out
- Short-reach 850 nm MMF for cost-efficient intra-row links
- Compact MPO-12 interface for high-density cabling
- Standards-based SR interoperability across OM3/OM4
- Optimized for leaf/spine and TOR aggregation deployments

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

FAQs

Technical Specifications

- Form factor: QSFP-DD
- Aggregate speed: 400G; breakout to 2x100G or 8x25G
- Optical standards: 100GBASE-SR4 and 25GBASE-SR
- Wavelength: 850 nm
- Fiber type: MMF (OM3/OM4)
- Reach: 70 m on OM3; 100 m on OM4
- Connector: MPO-12
- Operating temperature: 0 to 70 C (standard)
- Breakout modes: 2x100G SR4 or 8x25G SR
- Application: High-density short-reach fan-out in data center fabrics

FAQs

Q: Is this a native 400G SR8 link?
A: No. It is designed for breakout operation into 2x100G SR4 or 8x25G SR lanes, not a single 400G SR8 link.

Q: Which fiber and connectors should I use?
A: Use OM3/OM4 multimode MPO trunking. For 100G SR4 breakout, use MPO-12 to MPO-12 SR4 channels; for 8x25G, use an MPO-12 to 8xLC (or equivalent) breakout harness or cassette.

Q: What host port is required?
A: A QSFP-DD port that supports breakout into 2x100G or 8x25G, configured accordingly on the host platform.

Q: Does it support digital diagnostics (DOM/DDM)?
A: Yes, standard DOM/DDM monitoring is supported on compatible platforms.

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