Cisco 2821 / 2851 Router Power Supply Unit
cisco
Cisco internal replacement AC power supply module (1/2 size chassis replacement) for Cisco 2821 and 2851 Integrated Services Routers.
The CISCO2821/2851-1/2 is an internal data connectivity interface module engineered to deliver cost-effective network transformation and enhanced system stability within multi-node server frameworks. Functioning as a high-reliability power supply unit and high-capacity system power delivery layer, this internal replacement AC power module slides directly into enterprise chassis backplane bays using localized connection lines. Operating under system-regulated DC power parameters across high-efficiency server power delivery architectures, it establishes high-efficiency routing pathways to manage internal data processing pipelines across high-density databases, continuous multi-threaded enterprise workloads, and legacy hardware consolidations. Its modular card layout and fault-isolated power architecture manage internal bus communication cleanly, shielding core operational paths from signaling latency, packet drops, or single-point-of-failure throughput disruptions during continuous high-availability enterprise runtime operations.
Alternative Part Numbers
- CISCO2821-1/2
- CISCO2851-1/2
- PWR-2821-AC
- PWR-2851-AC
- 341-0097-01
- 341-0098-01
- 341-0163-01
- 341-0164-01
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