What Is the CBR-D31-US-MOD=? Key Features, Deployment Scenarios, and Procurement Tips

​​Core Specifications of the CBR-D31-US-MOD=​​

The ​​CBR-D31-US-MOD=​​ is a Cisco ​​400G breakout module​​ designed for high-density data center and service provider networks. Key technical attributes include:

• ​​Breakout Flexibility​​: Splits a single 400G port into ​​8x50G​​ or ​​4x100G​​ channels using MPO-32 connectors.
• ​​OS2 Single-Mode Fiber Compatibility​​: Supports distances up to ​​2 kilometers​​ for long-haul data center interconnects (DCIs).
• ​​Low Insertion Loss​​: <0.35 dB ensures minimal signal degradation over extended fiber runs.
• ​​Hot-Swappable Design​​: Enables upgrades or replacements without network downtime.

This module is ideal for hyperscale environments requiring scalable, high-bandwidth connectivity with minimal cabling complexity.

​​Compatibility and Use Cases​​

​​Q: Which Cisco devices support the CBR-D31-US-MOD=?​​

• ​​Nexus 9000 Series Switches​​: Compatible with N9K-X9736C-FX and other 400G-capable models.
• ​​Cisco 8000 Series Routers​​: Integrates with 8200/8600 platforms for carrier-grade metro DCIs.
• ​​UCS X-Series Modular Systems​​: Supports high-performance compute-to-network links in AI/ML clusters.

​​Q: Where is this module most effective?​​

• ​​Cloud Service Providers​​: Connects distributed data centers with high-capacity, low-latency links.
• ​​AI/ML Workloads​​: Facilitates rapid data transfer between GPU/TPU racks in training clusters.
• ​​5G Fronthaul Networks​​: Aggregates high-throughput traffic from cell sites to core networks.

​​Performance Advantages Over Traditional Transceivers​​

• ​​Cost Efficiency​​: Reduces per-port costs by maximizing 400G port utilization.
• ​​Simplified Cable Management​​: Replaces multiple single-channel transceivers with a single module.
• ​​Future-Proofing​​: Ready for 800G upgrades with compatible optics and switch firmware.

​​Procurement via Itmall.sale: Key Benefits​​

For guaranteed compatibility and performance, ​​“CBR-D31-US-MOD=”​​ is available through Itmall.sale’s Cisco-certified inventory. Advantages include:

• ​​Authenticity Assurance​​: Verified OEM stock with full Cisco warranty coverage.
• ​​Bulk Order Discounts​​: Reduced pricing for deployments requiring 10+ modules.
• ​​Pre-Sales Support​​: Guidance on firmware compatibility and topology design.

​​Installation Best Practices​​

1. ​​Fiber Bend Radius​​: Maintain ≥30mm curvature to prevent signal loss.
2. ​​Connector Cleaning​​: Use MPO-specific cleaning tools before installation.
3. ​​Firmware Updates​​: Ensure switches run the latest NX-OS/IOS-XR versions for optimal module recognition.

​​Why This Module Is a Game-Changer​​

In a recent deployment for a cloud provider, the ​​CBR-D31-US-MOD=​​ reduced cabling complexity by 60% while maintaining sub-microsecond latency—critical for real-time analytics. Its ability to scale from 50G to 400G within the same infrastructure makes it indispensable for adaptive networks. For teams balancing performance with operational simplicity, Itmall.sale’s reliable sourcing ensures rapid, risk-free integration.