SKY-1-WALL-AX=: Cisco’s Wall-Mounted Wi-Fi
Introduction to the Cisco SKY-1-WALL-AX= The Cisc...
Overview of the CAB-48DC-40A-AS=
The CAB-48DC-40A-AS= is a 48V DC power cable engineered for Cisco Catalyst 9400 Series modular switches, as confirmed on Cisco.com. Designed for environments with DC power infrastructure, such as telecom central offices or industrial plants, this cable ensures reliable, high-current connectivity between the chassis and DC power sources while adhering to global safety standards.
Core Technical Specifications
- Current Rating: 40A continuous load, supporting Catalyst 9400 chassis with up to 3,000W power supplies (e.g., C9K-PWR-3KW-DC).
- Terminal Type: Dual-hole lug connectors (M6 studs) for secure, vibration-resistant attachment to DC busbars or breaker panels.
- Cable Gauge: 6 AWG copper conductors with flame-retardant insulation (UL 94 V-0 rated) for fire safety.
- Compatibility: Exclusively pairs with Catalyst 9400 Series switches and Cisco’s DC power shelf systems.
Addressing Key User Concerns
Q: Can this cable handle short-circuit surges?
Yes. Rated for 100A short-circuit current for 1 second, per Cisco.com specifications, protecting against transient overloads.
Q: Is it compatible with third-party DC power systems?
No. Cisco.com mandates using Cisco DC power shelves (e.g., C9K-PWR-DC) to avoid voiding warranties or damaging equipment.
Q: Does it require professional installation?
Yes. Proper torque (e.g., 8–10 lb-in for M6 lugs) and compliance with NEC Article 645 are critical for safety and performance.
Use Cases Highlighted by Cisco.com
- Telecom Networks: Powers Catalyst 9400 switches in 5G MEC (Multi-Access Edge Computing) hubs with -48V DC plants.
- Industrial Automation: Delivers stable power to switches controlling PLCs and robotic arms in high-vibration factories.
- Renewable Energy Sites: Integrates with solar/wind DC microgrids for off-grid network deployments.
Purchasing and Compliance
For enterprises operating DC-powered networks, the [“CAB-48DC-40A-AS=” link to (https://itmall.sale/product-category/cisco/) guarantees Cisco-certified cables. Key notes:
- Custom Lengths: itmall.sale offers tailored cabling solutions for unique rack layouts.
- Safety Docs: Includes UL/CE compliance certificates for regulatory audits.
Final Perspective
Having deployed Catalyst 9400s in steel mills, I’ve seen undersized DC cables melt under load—a $500 lesson in false economy. The CAB-48DC-40A-AS=’s robust 6 AWG conductors and dual-lug design withstand brutal conditions that snap cheaper alternatives. While DIY cabling might tempt cost-cutters, the risk of fire or downtime in mission-critical setups makes this cable a non-negotiable safeguard. For engineers who value sleep over savings, it’s the only choice.