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Overview of the CP-7821-K9= The CP-7821-K9=...
What Defines the DS-C48V-48EVK9PRM in Cisco’s Ecosystem?
The DS-C48V-48EVK9PRM is a 48-port Power over Ethernet++ (PoE++) switch optimized for 48V-native industrial environments requiring robust power distribution and deterministic latency. As part of Cisco’s Catalyst 9000 Series, it integrates Cisco DNA Center automation and StackWise-480EV technology, enabling centralized management of IoT devices, robotics, and 5G small cells.
Key innovations include:
- 90W PoE++ per port with 7.2kW total power budget for heavy-duty applications like autonomous guided vehicles (AGVs)
- 48V DC input compatibility via N+1 redundant architecture (40-60V auto-sensing)
- Zero-trust microsegmentation with MACsec-256 encryption and Cisco Cyber Vision v4.0 integration
Legacy vs. DS-C48V-48EVK9PRM Industrial Switching
| Metric | Traditional 48V Switches | DS-C48V-48EVK9PRM |
|---|---|---|
| Voltage Stability | ±10% tolerance | ±25% dynamic load balancing |
| Stacking Bandwidth | 160Gbps | 480Gbps via StackWise-480EV |
| Fault Recovery Time | 30-60 seconds | <5 seconds with hot-swap PSUs |
This switch resolves challenges like voltage fluctuations in microgrids and PROFINET RT latency spikes, delivering 32.4Gbps non-blocking throughput for time-sensitive industrial automation protocols.
Advantages of Procuring via itmall.sale
- Cisco-certified refurbished units: Save 40% versus new with 180-day warranty and pre-validated NX-OS 10.3 firmware
- Industrial-grade configurations: Pre-loaded VLAN/VRF templates compliant with IEC 62443-3-3 for smart manufacturing plants
- Bulk IVK9 licensing: AI-driven QoS licenses at 30% discount for orders exceeding 10 units
For enterprises deploying edge AI analytics, pairing this switch with itmall.sale’s Catalyst 9600X chassis ensures sub-1ms latency for real-time predictive maintenance systems.
Final Insights
The DS-C48V-48EVK9PRM’s 48V-native architecture eliminates energy conversion losses common in hybrid systems, but gray-market units often lack Cisco TAC-supported firmware validation. Platforms like itmall.sale guarantee DNA Center compatibility audits – critical for maintaining 99.999% uptime in semiconductor fabrication facilities. For organizations modernizing legacy OT networks or building Industry 4.0 infrastructure, authenticated procurement isn’t optional; it’s the foundation of mission-critical operational resilience.