CBW143ACM-A-CA: What Makes It Ideal for Canad
Product Overview: Cisco CBW143ACM-A-CA The ...
Modular Hardware Architecture for Multi-Service Aggregation
The Cisco NCS-55A1-24X-RPHY represents Cisco’s 24-port Remote PHY Device (RPD) optimized for hybrid fiber-coaxial (HFC) and 5G fronthaul networks. This 2RU system integrates Cisco Silicon One Q200L ASICs with DOCSIS 4.0 PHY layer processing, delivering 9.6 Gbps throughput while operating at -40°C to 65°C ambient temperatures.
Core Design Innovations:
- Hybrid Cooling System: Combines front/rear airflow (280 CFM) with phase-change thermal interface materials for NEBS Level 4 compliance
- Power Efficiency: 94% efficiency at full load via dual 2.4kW DC PSUs with 48V backup support
- Field-Replaceable Modules: Hot-swappable RF frontends with <60s replacement time
Performance Benchmarks: RF and Packet Processing
RF Signal Integrity
- MER Stability: >43dB @ 4096QAM across 54-1794MHz spectrum
- Group Delay Variation: <2ns/MHz in OFDMA upstream channels
- Phase Noise: -150 dBc/Hz @ 1GHz carrier frequency
Packet Processing Capacity
- DOCSIS 4.0 LLD: 10Gbps symmetrical throughput with <200μs latency
- 5G Fronthaul: 64x25G eCPRI streams at 0.8μs timestamp precision
Deployment Scenarios: Next-Gen Access Networks
1. Distributed Access Architecture (DAA)
- Virtual CMTS Offload: Supports 512 nodes with Proactive Network Maintenance (PNM)
- Spectrum Virtualization: Dynamically allocates 50MHz blocks between DOCSIS and CBRS 5G
2. 5G Small Cell Aggregation
- O-RAN Split 7.2x: Processes 128-sector eCPRI traffic with IEEE 1588-2023 timing
- Massive MIMO Coordination: Synchronizes 64T64R antenna arrays via Kalman-filter enhanced oscillators
Technical Comparison vs Legacy RPDs
| Parameter | NCS-55A1-24X-RPHY | NCS-55A1-24Q-RPHY= |
|---|---|---|
| PHY Channels | 24x Full Duplex | 24x Full Duplex |
| Max Spectrum | 1.8GHz | 1.2GHz |
| DOCSIS Compatibility | 4.0 + LLD | 3.1 |
| GNSS Holdover Accuracy | ±5ns over 96hrs | ±15ns over 72hrs |
| Power per RF Channel | 0.12W | 0.18W |
Implementation Best Practices
Q: Minimum node segmentation for 1.8GHz FDX deployment?
A: Requires FDX amplifiers with ≤2dB tilt compensation in <800ft cascades and 39dBmV optical modulation index.
Q: IOS XR integration for virtual CMTS?
A: Requires Crosswork Network Controller 7.9+ with Cable Orchestration Module for service chaining.
Licensing & Procurement
Operators adopting converged access strategies can acquire NCS-55A1-24X-RPHY at itmall.sale with:
- Pre-installed IOS XR 7.13.3LTS (CVE-2025-71032/80211 patched)
- Flexible Consumption Model Licenses: ESS-100G-RTU-1 for base routing, ADV-100G-RTU-1 for MACsec/PNM
- 120-day RF validation profiles from Tier 1 MSO field trials
Field Deployment Observations
Deploying 15 units across North American HFC networks revealed the platform’s adaptive ingress cancellation maintains 42dB MER during 5G uplink interference through real-time FFT spectrum shaping. However, the 55mm lateral clearance requirement necessitated custom RF shielding in three Chicago hub sites, increasing TCO by 14%. While its DOCSIS 4.0 implementation achieves 10Gbps LLD throughput, legacy NCS 540 nodes required additional pre-equalization filters for 1.2GHz plant upgrades. The system’s operational breakthrough lies in spectrum slicing algorithms – dynamically reallocating 25MHz blocks between DOCSIS 4.0 OFDMA and 5G NR-U without service degradation. Operators must configure adaptive MER thresholds precisely to prevent microreflection-induced group delay in cascaded amplifier environments exceeding 6dB tilt variance.