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What Is the DS-C48V-48ITK9PRM?
The DS-C48V-48ITK9PRM is a specialized power module designed for Cisco Catalyst 9000 series switches, particularly supporting 48V infrastructure in high-density networking environments. This hardware component enables advanced features like IPsec encryption and WAN MACsec connectivity on Catalyst 9300X/9400X/9500X platforms. Its 48V architecture reduces power loss by 75% compared to traditional 12V systems while maintaining compatibility with Cisco’s EnergyWise technology.
Key Features & Technical Advantages
1. High-Efficiency 48V Power Delivery
- Reduces I²R losses by 16x through optimized voltage conversion
- Supports 192 simultaneous WAN MACsec sessions on Catalyst 9600X chassis
- Enables 55A+ charging capacity for mission-critical deployments
2. Enhanced Security Protocols
- Mandatory for enabling IPsec VPNs and MACsec Layer 2 encryption
- Requires HSEC K9 license activation per switch in stack configurations
- Supports zero-touch provisioning through Cisco DNA Center
3. Scalable Deployment
- Compatible with:
- Catalyst 9300X (up to 40G ports)
- Catalyst 9500X (1.6Tbps throughput)
- Catalyst 9600X (9.6Tbps backplane)
- Transparent rekeying during topology changes prevents traffic drops
Why Choose This 48V Solution?
Comparison: 12V vs 48V Architectures
| Metric | Traditional 12V | DS-C48V-48ITK9PRM |
|---|---|---|
| Power Loss | High (I²R dominant) | 6.25% of 12V systems |
| Cable Weight | 4x heavier | Space-optimized design |
| Encryption Support | Limited to 1G speeds | 100G MACsec-ready |
| Thermal Efficiency | 85°C max operating temp | 105°C tolerance |
The module’s modular power design allows gradual upgrades from legacy systems while maintaining backward compatibility with 12V peripherals. For organizations implementing SD-Access or intent-based networking, this component ensures <5ms latency for real-time applications.
Implementation Considerations
Q: How does it integrate with existing infrastructure?
A: The DS-C48V-48ITK9PRM works with Cisco’s Unified Power System, automatically balancing loads across AC/DC inputs. For hybrid environments, use the Cisco Power Manager to monitor 48V/12V dual-bus configurations.
Q: What maintenance is required?
A:
- Replace cooling fans every 3 years
- Update firmware via Smart Licensing Portal
- Validate license entitlements through Cisco authorized partners
This 48V innovation addresses AI/ML workloads’ demands while future-proofing networks for 400G migrations. Its role in enabling zero-trust security models makes it indispensable for modern data centers. For procurement and compatibility verification, consult Cisco-certified experts through the official Cisco hardware marketplace.