• Vibrant pink glossy Juniper QDD-2X200G-2M 400G QSFP56 DAC sticker
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Juniper

Juniper QDD-2X200G-2M | QSFP56-DD→2xQSFP56 Passive DAC | 400G→2x200G breakout | 26AWG | 2m | 0–70C

QDD-2X200G-2M

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Description

Passive copper breakout DAC enabling low-latency 400G to 2x200G fan-out between QSFP56-DD and QSFP56 ports for short interconnects.

Features

- Affordable 400G→2x200G fan-out
- Low power and latency (passive copper)
- Durable 26 AWG twinax
- Quick, tool-less deployment
- Optimized for dense data center fabrics

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 factors: QSFP56-DD (host) to 2x QSFP56 (downstream)
- Aggregate speed: 400G to 2x200G breakout
- Cable type: Passive copper twinax DAC
- Length: 2 meters
- Wire gauge: 26 AWG
- Signaling: 50G-PAM4 lanes (8 lanes host; 4 lanes per 200G leg)
- Operating temperature: 0 to 70 C (standard)
- Power: Passive, near-zero latency
- Use case: Short inter-rack or top-of-rack fan-out

FAQs

Q: Is it active or passive?
A: Passive twinax DAC; no optics needed.

Q: Can this be used for 400G straight-through?
A: No, it is a breakout cable for 400G to 2x200G.

Q: What hosts and endpoints are compatible?
A: Hosts need QSFP56-DD ports with breakout support; endpoints need QSFP56 200G ports.

Q: What is the recommended maximum distance?
A: 2 meters; suitable for short-reach in/near rack connections.

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