Description
The Axiom 400GBASE-SR4.2 QSFP-DD Transceiver for Cisco delivers ultra-high-speed 400Gb connectivity for modern data center and enterprise networks. Engineered for full OEM compatibility, each module is pre-configured with application-specific coding to ensure seamless integration with Cisco switches and routers. Axiom transceivers are designed to perform, fit, and function identically to the original, offering exceptional reliability at a superior value.
Fully compliant with the QSFP-DD Multi-Source Agreement (MSA), this module supports 400GBASE-SR4.2-BX network technology, enabling efficient, high-bandwidth data transmission across short-distance multimode fiber (MMF). It is ideal for data-intensive applications, cloud connectivity, and high-performance computing environments requiring consistent throughput and dependable performance.
Axiom’s commitment to quality includes unique product serialization, eliminating communication conflicts while simplifying device identification. Offering guaranteed compatibility and dependable optical performance, this module ensures maximum productivity and long-term network stability.
| Specification | Details |
|---|---|
| SKU | QDD-400G-SR4.2-BD-AX |
| Product Type | QSFP-DD 400G Optical Transceiver |
| Data Rate | 400 Gigabit Ethernet |
| Optical Standard | 400GBASE-SR4.2 |
| Wavelength | Bidirectional SR4.2 (2-λ per fiber pair) |
| Fiber Type | Multimode Fiber (MMF) |
| Typical Reach | Short-distance applications (varies by MMF type) |
| Interface | QSFP-DD |
| Connector Type | MPO/MTP |
| Application | High-performance data networking |
| Compatibility | 100% OEM-compatible, including Cisco |
| MSA Compliance | QSFP-DD MSA |
| Serialization | Unique transceiver serialization for device tracking |
| Use Case | Data centers, cloud infrastructure, audio/video transport, intra-building connectivity |
| Operating Environment | Ideal for short-range, high-bandwidth optical links |
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.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
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