• Vibrant pink glossy Juniper fruit sticker for QDD-2X100G-1M DAC cable
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Juniper

Juniper QDD-2X100G-1M | 2x100G breakout | QSFP-DD to 2xQSFP28 | passive DAC | 1 m | 30 AWG | 0–70 C

QDD-2X100G-1M

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Description

Passive direct attach copper breakout cable connecting a single 200G QSFP‑DD port to two separate 100G QSFP28 ports. Ideal for top‑of‑rack fan‑out with ultra‑low latency and minimal power draw. 1 m length, 30 AWG twinax conductors, standard temperature (0–70 °C). Requires device support for 2x100G breakout mode on the QSFP‑DD host.

Features

- Ultra‑low latency, zero‑power breakout
- Cost‑effective in‑rack 2x100G fan‑out
- Rugged 30 AWG twinax for short links
- Simple plug‑and‑play when breakout is enabled
- Reduces optics count and power consumption

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

- Cable type: passive DAC (twinax copper)
- Configuration: QSFP-DD (200G) to 2x QSFP28 (100G + 100G)
- Length: 1 meter
- Wire gauge: 30 AWG
- Operating temperature: 0 to 70 °C (standard)
- Power: passive, negligible module power
- Use case: 200G port fan-out to two 100G ports within rack
- Port requirement: QSFP-DD host must support 2x100G breakout
- Low latency: no optical conversion
- Bend considerations: avoid sharp bends; follow platform cable management guidance

FAQs

Q: Is this an active or passive cable?
A: It is a passive twinax DAC; no active signal conditioning or optics.

Q: Do I need to configure breakout on the switch?
A: Yes. The QSFP-DD port must be set to 2x100G breakout mode.

Q: What is the supported reach?
A: 1 meter, best suited for in‑rack or adjacent rack connections.

Q: Will it work between different vendor devices?
A: Interoperability depends on device acceptance of the cable’s coding. Use on platforms that support the cable coding and 2x100G breakout.

Q: Does it require FEC?
A: Follow the switch recommendations; many platforms enable FEC by default on 25G/100G lanes for reliability.

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