• Cisco QDD-400-AOC20M 400G QSFP-DD AOC blue fiber optic cable 20m
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Cisco

Cisco QDD-400-AOC20M | optics: 400G QSFP-DD AOC, 8x50G PAM4 (400GbE), 850nm MMF, reach 20m, QSFP-DD to QSFP-DD

QDD-400-AOC20M

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Description

High-speed 400G active optical cable with integrated QSFP-DD transceivers for extended short-reach data center links up to 20 meters. Simplifies deployment versus separate SR8 optics and fiber trunks while maintaining low latency and power. Ideal for aggregation and spine connectivity across adjacent rows.

Features

- Extended short-reach 400GbE connectivity up to 20m
- Integrated optics minimize points of failure and contamination
- Hot-swappable for rapid maintenance and upgrades
- Lightweight, flexible alternative to copper DAC at longer distances
- Standards-based design for cross-platform compatibility
- Consistent performance for modern leaf-spine architectures

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

- Data rate: 400Gbps (8x50G PAM4)
- Form factor: QSFP-DD (QSFP56-DD MSA compliant)
- Cable type: Active Optical Cable (AOC)
- Reach/length: 20 meters
- Wavelength: 850nm (multimode VCSEL)
- Connector ends: QSFP-DD to QSFP-DD (integrated ends)
- Application: 400GbE short-to-medium reach interconnects
- Hot-swappable, digital diagnostics (DDM/DOM) support
- Standards: IEEE 802.3 400GbE compliant, QSFP-DD MSA

FAQs

Q: Is 20m supported for 400GbE over this AOC?
A: Yes, this model is a fixed 20m AOC designed for 400GbE QSFP-DD ports.

Q: Does this replace separate SR8 transceivers and MPO cabling?
A: Yes, it integrates the optics and fiber, simplifying installation and compatibility.

Q: What equipment does it connect?
A: Typically 400G switches, NICs, and adapters with QSFP-DD ports.

Q: Is any special cleaning required?
A: No separate fiber connectors to clean; keep dust caps on when not in use.

Q: Can it be used in mixed vendor environments?
A: It follows QSFP-DD MSA and IEEE 400GbE standards for broad interoperability.

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