Description
The AddOn QDD-400GB-VSR4-J-AO is a Juniper Networks® compatible QSFP-DD optical transceiver that delivers 400GBase-SR4 PAM4 throughput up to 50 meters over multimode fiber (MMF). Operating at a wavelength of 850nm and using an MPO-12 connector, this hot-swappable module ensures seamless integration into high-performance data center and enterprise switching environments.
Engineered for reliability and compliance, it supports IEEE 802.3ck/802.3db, CMIS Rev4.0, and Digital Optical Monitoring (DOM) for real-time performance tracking. Built in a metal QSFP-DD MSA package to minimize EMI, this transceiver offers excellent ESD protection, RoHS compliance, and full TAA compliance.
Each unit is programmed, uniquely serialized, and tested for guaranteed compatibility and performance identical to the Juniper Networks® OEM equivalent. Backed by AddOn’s limited lifetime warranty, this transceiver is a cost-effective and dependable solution for next-generation networking.
| Specification | Details |
|---|---|
| SKU | QDD-400GB-VSR4-J-AO |
| Form Factor | QSFP-DD |
| Data Rate | 400GBase-SR4 PAM4 |
| Wavelength | 850nm |
| Max Reach | 50m over MMF |
| Connector | MPO-12 |
| Fiber Type | Multi-mode Fiber (MMF) |
| Channels | 4 optical lanes @ 53.125 GBd PAM4 |
| Electrical Interface | 8 lanes @ 26.5625 GBd PAM4 (AUI-8 C2M) |
| Operating Temperature | 0°C to 70°C (Commercial) |
| Power Dissipation | 8W (typical) |
| Compliance | IEEE 802.3ck, IEEE 802.3db, QSFP-DD MSA, CMIS Rev4.0 |
| Features | Hot-swappable, DOM support, Lower EMI, Excellent ESD protection |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| Warranty | Limited Lifetime Warranty |
| Compatible OEM | Juniper Networks® |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
Building a Complete AV System?
This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.
- System Design & Engineering
- Installation & Integration
- Programming & Ongoing Support
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