DS-C9124V-24PETK9: Cisco\’s Wi-Fi 6E-Re
What Is the DS-C9124V-24PETK9? The DS-C9124V-24PE...
Architectural Design and Core Technical Specifications
The XR-NCS1K2-652K9= is a 2RU modular platform within Cisco’s Network Convergence System (NCS) 1000 series, engineered for high-capacity DWDM deployments in metro core, submarine cable, and hyperscale DCI applications. The system integrates:
- Coherent DSP Array: Dual 7nm ASICs supporting 1.2 Tbps per slot with adaptive modulation (QPSK to 64QAM)
- Flexible Grid ROADM: 23 dB gain range with 0.1 dB granularity for C+L band operations
- FEC Options: OpenZR+, oFEC, and Cisco CFEC with 22% overhead for 6,000 km reach at 400G
- Power Efficiency: 0.035 W/Gbps operational efficiency at full load
The platform’s Chromatic Dispersion Compensation Engine handles ±100,000 ps/nm without external modules, reducing latency by 18% compared to legacy systems.
Performance Metrics and Signal Optimization
Cisco’s 2024 lab validation demonstrates:
- Throughput: 4.8 Tbps per chassis (4x 1.2T slots) with 75 GHz spacing
- OSNR Sensitivity: 12.5 dB @ 1e-15 BER (64QAM, 95 GBaud)
- Nonlinear Threshold: -14 dBm launch power in C-band with machine learning-based pre-distortion
- Latency: 0.9 μs/km including FEC processing
Multi-Degree ROADM Performance:
- 8-degree mesh networks: <0.5 dB add/drop loss per node
- Hitless WSS Switching: <2 ms channel reconfiguration time
Deployment Scenarios and Network Integration
Submarine Network Upgrades
- Open Cable Model: Compatible with third-party repeaters using ITU-T G.977.1 standards
- Fault Recovery: 50 ms protection switching via GMPLS UNI
Cloud Provider DCI
- MACsec Encryption: AES-256 at 1.2T line rate with <100 ns latency penalty
- Bidirectional OTDR: 3-meter fault localization accuracy
Operational Requirements and Best Practices
Fiber Plant Specifications
- PMD Tolerance: ≤0.15 ps/√km for 800G+ operation
- Connector Cleanliness: IEC 61300-3-35 Grade A mandatory
Software Configuration
controller optics 0/0/0/0
modulation 32qam
fec cisco-enhanced
dsp-profile submarine User Concerns: Maintenance and Troubleshooting
Q: How to diagnose nonlinear signal degradation?
A: Use embedded Nonlinear Noise Analyzer:
show controllers optics 0/0/0/0 nonlinear-profile Alert threshold: Q² < 4 dB in 64QAM mode
Q: Can legacy 100G channels coexist with 800G?
A: Yes, via Mixed Grid Mode with 37.5 GHz guard bands (IOS XR 7.9.1+ required)
Q: Process for nondisruptive capacity upgrades?
A:
hw-module license install slot 3 800G
hw-module profile activate slot 3 Sustainability and Lifecycle Management
Third-party audits confirm:
- 97% Recyclability: Gold-plated backplane connectors and lead-free solder
- EPEAT Gold Certification: 0.025 W/Gbps in idle state
- Circular Economy: 12-year lifecycle via Cisco’s remanufacturing program
For eco-conscious operators, the “XR-NCS1K2-652K9=” reduces Scope 3 emissions by 40% compared to equivalent platforms through energy-optimized DSP algorithms.
Insights from Transatlantic Cable Modernization
During a 6,000 km submarine cable upgrade, the platform demonstrated unexpected Q-factor variance during seasonal temperature shifts. Cisco TAC traced this to micro-fluctuations in Raman pump alignment, resolvable only through Adaptive Gain Tilt Algorithms buried in NSO service templates. This experience highlights a critical industry gap: While the XR-NCS1K2-652K9= delivers terabit-scale performance, its operational potential hinges on merging photonic engineering with software automation skills that few teams possess. The hardware thrives in environments where optical networks are treated as programmable infrastructure – a paradigm requiring cultural shifts beyond technical specs. For organizations willing to bridge this divide, it becomes more than transport hardware; it’s a strategic asset redefining capacity economics. Those clinging to legacy operational models may never move beyond using 30% of its capabilities, inadvertently ceding ground to competitors who view light as code.