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What Role Does DS-C9700-PS-BL= Play in Cisco Nexus 9500 Chassis Architecture?
The DS-C9700-PS-BL= is a 2000W DC power supply module engineered for Cisco Nexus 9500 series chassis, specifically optimized for hyperscale data centers requiring N+1 redundancy and port-side exhaust airflow configurations. Compatible with Cisco NX-OS 10.4(1)F and later versions, this module supports hot-swap operations and adaptive load balancing across dual input feeds.
Key operational advantages include:
- 96% conversion efficiency under 50-100% load conditions
- Intelligent thermal management with real-time current sharing
- NEBS Level 3 compliance for telco-grade deployments
How Does It Improve Upon Previous-Gen Nexus Power Solutions?
| Parameter | DS-C9700-PS-BL= | NXA-PDC-2KW-PI (Legacy) |
|---|---|---|
| Maximum Output | 2000W DC | 1900W DC |
| Redundancy Support | Grid-level | Module-level |
| MTBF (Hours) | 160,000 | 120,000 |
| Operating Temperature | -5°C to 55°C | 0°C to 50°C |
This upgraded model addresses three critical limitations of earlier DC power systems:
- Extended thermal tolerance: 10°C wider operating range for tropical deployments
- Predictive failure alerts: SNMP-triggered warnings at 85% load thresholds
- Cross-platform compatibility: Works with N9K-C9508/N9K-C9516 chassis variants
Where to Source Authentic DS-C9700-PS-BL= Units?
For guaranteed interoperability with Nexus 9500 fabric modules, procure certified units exclusively through Cisco Power Infrastructure Solutions. Authorized channels provide:
- Pre-flashed firmware matching NX-OS target versions
- Load bank testing reports for mission-critical deployments
- Dual-feed cabling kits with 60A DC connectors
Operational best practices recommend:
• Maintaining ambient humidity below 90% non-condensing
• Implementing asymmetric load distribution for multi-module setups
• Conducting infrared thermography scans biannually
The DS-C9700-PS-BL= redefines power delivery for 400G spine architectures, achieving 4.8W per 100G port efficiency in fully loaded configurations. While backward-compatible with N9K-C9504 chassis, operators upgrading from AC-powered systems should validate DC busbar capacities before deployment. For financial institutions requiring zero downtime, pairing this module with NXA-PHV-2KW-PI HVDC units creates a hybrid power ecosystem resilient to grid fluctuations.