​​UCSC-LPC40-1485-D= Core Specifications and Architecture​​

The Cisco UCSC-LPC40-1485-D= is a ​​1485W 240V AC power supply​​ engineered for high-density Cisco Unified Computing System (UCS) chassis, specifically the ​​UCS 5108 Blade Server​​. Designed for environments requiring fault tolerance and energy efficiency, its architecture includes:

• ​​40A Input Current Rating​​: Supports 200–240V AC with NEMA L6-30P connectors, optimized for data center PDUs.
• ​​94% Platinum Efficiency​​: Meets 80 PLUS Platinum standards, reducing operational costs by 18% compared to Gold-rated units.
• ​​Hot-Swappable Redundancy​​: N+1/N+N configurations with <5ms failover during grid fluctuations.

​​Compatibility with Cisco UCS Infrastructure​​

The UCSC-LPC40-1485-D= is validated for ​​UCS 5108 Blade Server Chassis​​ running ​​UCS Manager 4.1(3a)​​ or later. Key integration considerations:

• ​​Chassis Slot Requirements​​: Occupies one 3RU power bay; maximum of eight units per chassis.
• ​​Mixed PSU Support​​: Incompatible with 920W/1200W power supplies due to voltage regulation conflicts.
• ​​Firmware Synchronization​​: Auto-syncs with CIMC Controller 2.1.8 to prevent brownouts during firmware updates.

A frequent user concern involves ​​legacy UCS 5108 chassis compatibility​​. Cisco’s compatibility matrix confirms support only for units manufactured post-2020 (serial numbers starting with FCH20XX).

​​Operational Efficiency in High-Density Workloads​​

Benchmarking tests under 90% load (1,336W) reveal:

• ​​Thermal Performance​​: Sustains 45°C ambient temperatures without derating, using dual counter-rotating fans.
• ​​Power Factor Correction​​: Maintains 0.99 PF even during 30% load swings, critical for GPU-heavy AI clusters.
• ​​Harmonic Distortion​​: <5% THD at full load, compliant with IEC 61000-3-2 standards.

However, ​​acoustic profiles​​ peak at 55 dB in 40°C environments, necessitating acoustic dampening in edge computing deployments.

​​Redundancy and Failure Mitigation Strategies​​

To maximize uptime in mission-critical setups:

• ​​Asymmetric Load Balancing​​: Distribute loads unevenly (70%/30%) across PSU pairs to prolong capacitor lifespan.
• ​​Predictive Failure Analysis​​: UCS Manager’s ML-driven telemetry forecasts fan bearing wear 14 days in advance.
• ​​Inrush Current Limiting​​: 150A soft-start circuitry prevents tripping 32A circuit breakers during cold boots.

Notably, ​​third-party rack PDUs​​ with C19 outlets require torque-limited cables (2.5 N·m) to avoid connector arcing.

​​Procurement and Supply Chain Considerations​​

For enterprises sourcing the UCSC-LPC40-1485-D=, [“UCSC-LPC40-1485-D=” link to (https://itmall.sale/product-category/cisco/) provides Cisco-certified units with integrated Smart Net tags. Critical factors:

• ​​Lead Time Management​​: Global chip shortages have extended delivery windows to 12–16 weeks; buffer inventory is advisable.
• ​​Counterfeit Avoidance​​: Verify holographic Cisco Trusted ID labels on the PSU’s rear panel.
• ​​EoL Planning​​: Cisco’s 2024 PSU roadmap indicates end-of-sale in Q3 2026, with 5-year post-EoS support.

​​Strategic Value in Hyperscale vs. Edge Deployments​​

While the UCSC-LPC40-1485-D= excels in 40kW+ data halls, its 40A input requirement poses challenges for edge sites with 30A circuits. Colocation operators may prefer modular 48V DC systems for space efficiency, but lose the UCSC-LPC40-1485-D=’s transient response advantages. In hyperscale AI training clusters, however, its ability to sustain 90% load for 50,000+ hours without derating justifies premium pricing. The real trade-off lies in vendor lock-in: Cisco’s proprietary I2C-based monitoring ties these PSUs to UCS ecosystems, complicating hybrid infrastructure strategies. Forward-looking teams will prioritize PSUs that balance Cisco’s reliability with open-standard telemetry, even if it demands custom integration.