​​Core Specifications of the CBR-8D31-16U31-SP=​​

The ​​CBR-8D31-16U31-SP=​​ is a Cisco ​​breakout cable​​ designed for high-density, high-speed data center environments. Key technical attributes include:

• ​​400G to 8x50G Breakout​​: Splits a single 400G port into eight independent 50G channels using MPO-32 connectors.
• ​​OS2 Single-Mode Fiber​​: Supports distances up to ​​2 kilometers​​ for long-haul data center interconnects (DCIs).
• ​​Low Insertion Loss​​: <0.3 dB ensures minimal signal degradation over extended runs.
• ​​Plenum-Rated Jacket​​: Complies with CMP fire safety standards for installation in air-handling spaces.

This cable is engineered for hyperscale data centers and service providers requiring scalable, high-bandwidth connectivity.

​​Compatibility and Use Cases​​

​​Q: Which Cisco platforms support this cable?​​

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

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

• ​​Cloud Provider Backbones​​: Connects distributed data centers with high-throughput, low-latency links.
• ​​AI Training Clusters​​: Enables rapid data transfer between GPU/TPU racks.
• ​​5G Core Networks​​: Supports high-capacity fronthaul/backhaul traffic aggregation.

​​Performance Advantages Over Direct Attach Cables​​

• ​​Extended Reach​​: 2 km capability eliminates the need for signal boosters in metro-area DCIs.
• ​​Future-Proof Density​​: 400G-to-8x50G breakout maximizes port utilization in spine-leaf architectures.
• ​​Cost Efficiency​​: Reduces cabling complexity and cost per gigabit compared to multiple 50G transceivers.

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

For guaranteed compatibility and performance, ​​“CBR-8D31-16U31-SP=”​​ is available through Itmall.sale’s Cisco-certified inventory. Benefits include:

• ​​Authenticity Assurance​​: Verified OEM stock with full Cisco warranty coverage.
• ​​Pre-Terminated Testing​​: Each cable is factory-tested for optical performance.
• ​​Volume Discounts​​: Reduced pricing for orders exceeding five units.

​​Installation and Maintenance Best Practices​​

1. ​​Fiber Management​​: Use bend radius guides to avoid exceeding 30mm curvature.
2. ​​Connector Cleaning​​: Inspect and clean MPO-32 interfaces with Cisco-recommended tools before deployment.
3. ​​Documentation​​: Label breakout ends to simplify troubleshooting in multi-rack environments.

​​Why This Cable Redefines Scalability​​

In a recent metro DCI project, the ​​CBR-8D31-16U31-SP=​​ eliminated the need for intermediate aggregation switches, cutting latency by 15%. Its ability to handle 400G today while offering a migration path to 800G (via future transceivers) makes it a cornerstone for adaptive infrastructure. For teams prioritizing both reach and density, Itmall.sale’s validated supply chain ensures rapid deployment—critical when meeting tight SLAs for cloud providers.