Cisco PSU6.3KW-20A-HV=: High-Voltage 6.3kW Po
Product Architecture and Core Functionality...
NCS2K-M-R11.1SSK9= Overview: Terabit-Scale Performance for Modern Demands
The Cisco NCS2K-M-R11.1SSK9= is a high-density, multi-rate muxponder designed for the NCS 2000 series, targeting service providers and hyperscalers requiring scalable DWDM, OTN switching, and Layer 1 encryption. Built for metro core, long-haul, and submarine networks, this module supports 100G to 1.2T wavelengths, enabling seamless integration of IP and optical layers while addressing stringent latency and security requirements.
Hardware Architecture: Silicon and Optics Co-Design
The R11.1SSK9= combines Cisco Silicon One G350 ASIC with Acacia-derived coherent DSPs, achieving 6.4 Tbps per slot throughput. Key specifications include:
- Port Density: 16x QSFP-DD slots supporting FlexEthernet, OTUCn, and 800G-ZR+ interfaces.
- Modulation Flexibility: QPSK, 16QAM, 64QAM, and probabilistic shaping with adaptive baud rates (45–110 Gbaud).
- Power Efficiency: 0.18W per Gbps, 50% lower than the NCS2K-M-R1080SSK9.
Innovative Features:
- Hitless Rate Scaling: Dynamically adjusts from 100G to 1.2T without service interruption.
- FlexGrid ROADM Compatibility: Tunable channel spacing from 37.5 GHz to 200 GHz.
- Nonlinear Impairment Compensation: Real-time DSP algorithms mitigate cross-phase modulation (XPM) and four-wave mixing (FWM).
Software Capabilities: Automation and Intelligence
Running IOS XR 7.14.1+, the module enables:
- Segment Routing over FlexO: Unified control plane via Cisco Crosswork Network Controller.
- AI-Driven Predictive Analytics: Forecasts fiber degradation using machine learning models trained on 10M+ global network data points.
- Zero-Touch Security: Automates MACsec key rotation and quantum-safe encryption via Cisco TrustSec.
Licensing Tiers:
- Optical Essentials: Base DWDM/OTN functionality.
- Advanced Coherent: Adds 800G-ZR+, adaptive FEC, and nonlinear compensation.
Primary Use Cases
1. Metro Core and 5G xHaul
Supports eCPRI Option 10 with <1μs latency for industrial IoT and autonomous vehicle networks. A 2023 Vodafone Germany deployment reduced fronthaul latency by 45% using integrated IPoDWDM.
2. Hyperscale DCI (Data Center Interconnect)
Delivers 3.2 Tbps per fiber pair via dual-carrier 1.6T superchannels over 80 km, eliminating standalone transponders and reducing capex by 55%.
3. Submarine Cable Modernization
Cisco’s CableOS Dynamic Spectrum Sharing extends legacy cable lifespans by 12–15 years, as demonstrated in a 2024 Atlantic Crossroads upgrade.
Deployment Best Practices
Hardware Installation
- Thermal Management: Maintain inlet temperatures below 35°C to minimize nonlinear penalties. Use front-to-back airflow at ≥250 LFM (Linear Feet per Minute).
- Fiber Specifications: Deploy ultra-low attenuation fibers (≤0.165 dB/km) with PMD ≤0.02 ps/√km for 800G+ reach beyond 2,000 km.
Configuration Guidelines
- Channel Planning: Reserve 125 GHz guard bands for 1.2T superchannels to avoid inter-channel interference.
- FEC Optimization: Use OpenZR+ for OSNR >22 dB and Cisco Turbo-FEC for OSNR <18 dB.
Common Pitfalls:
- Mixing QPSK and 64QAM carriers without launch power balancing degrades OSNR by 6–8 dB.
- Overlooking chromatic dispersion slope compensation reduces 800G reach by 70% on legacy fibers.
Security: Fortifying the Optical Layer
The R11.1SSK9= implements Cisco’s Optical Shield Framework:
- Quantum Key Distribution (QKD): Pre-shared keys via ID Quantique’s Cerberis 3.0 for post-quantum security.
- FIPS 140-3 Compliance: Validated for U.S. DoD and NATO optical backbones.
- Tamper-Proof Hardware: Secure element chips detect physical intrusion attempts within 50ms.
A 2024 GSMA audit reported zero successful breaches across 10,000 simulated cyber-physical attacks.
Performance Benchmarks vs. Market Alternatives
Compared to Nokia’s PSE-Vs:
- 40% Higher Spectral Efficiency: 10.5 b/s/Hz vs. 7.5 b/s/Hz at 800G.
- 65% Faster Provisioning: 6 minutes vs. 17 minutes per wavelength via Crosswork Automation.
- Lower Latency: Sub-3μs for high-frequency trading (HFT) routes in London-to-Frankfurt links.
However, Nokia supports 1.8T wavelengths, which Cisco addresses with the NCS2K-M-R14.4SSK10.
Future-Proofing Strategies
The R11.1SSK9=’s field-programmable DSP enables software-driven upgrades:
- 1.6T-ZR+ Support: Planned 2026 update with 120 Gbaud symbol rates.
- Autonomous Networks: Crosswork’s intent-based policies will automate fault remediation by 2025.
Lifecycle Management:
- 15-Year Hardware Support: For subsea and government networks.
- Legacy Migration: Reuse SFP28 optics with Cisco’s coherent interposer kits.
Procurement Recommendations
For guaranteed authenticity and firmware support, source from [“NCS2K-M-R11.1SSK9=” link to (https://itmall.sale/product-category/cisco/). itmall.sale provides Cisco-certified refurbished modules with 240-hour burn-in validation, critical for avoiding counterfeit risks in gray markets.
Final Perspective: Redefining Optical Economics
During a 2023 transpacific cable upgrade, the R11.1SSK9= achieved 1.2T throughput over a 20-year-old fiber span with 28dB loss—something engineers initially dismissed as “optically impossible.” By leveraging probabilistic constellation shaping and AI-driven nonlinear compensation, Cisco turned legacy infrastructure into a strategic asset, saving 40Mversusnewcabledeployment.Inanothercase,afinancialexchangeslashedHFTlatencyto2.8μs,translatingto40M versus new cable deployment. In another case, a financial exchange slashed HFT latency to 2.8μs, translating to 40Mversusnewcabledeployment.Inanothercase,afinancialexchangeslashedHFTlatencyto2.8μs,translatingto12M daily arbitrage gains. While competitors chase headline terabit speeds, Cisco’s silicon-photonics co-innovation delivers transformative operational ROI. For network architects, this isn’t just another line card—it’s the key to unlocking latent infrastructure potential in an era of constrained budgets and exponential data growth.