C9300-48UXM-EDU Switch: Why the Ultimate Educ
What Is the Cisco C9300-48UXM-EDU? The C9300-48UX...
Introduction to the PWR-CORD-USA-F=
The PWR-CORD-USA-F= is a NEMA 5-15P to IEC 60320 C13 AC power cable designed for Cisco’s enterprise and data center equipment operating in North American electrical systems. This 10-amp cable connects Cisco switches, routers, and UPS units to standard 120 VAC outlets or PDUs, ensuring compliance with U.S. safety and regulatory standards. Commonly paired with devices like the Cisco Catalyst 9200/9300 Series switches and ASR 1000 routers, it provides a reliable power interface for networks prioritizing uptime, safety, and energy efficiency.
Technical Specifications and Certifications
Cisco’s hardware documentation outlines the following critical specifications:
- Voltage rating: 100–125 VAC, 60 Hz, compatible with U.S. single-phase power grids.
- Cable length: 2 meters (6.6 feet) with 18 AWG conductors to minimize voltage drop over distance.
- Safety certifications: UL 62 (cable), UL 817 (connectors), and RoHS compliance.
- Temperature range: Operational from 0°C to 50°C, storage from -25°C to 70°C.
The cable’s 3-prong grounded design reduces electromagnetic interference (EMI) and mitigates electrostatic discharge (ESD) risks in high-density racks.
Primary Applications and Deployment Scenarios
1. Enterprise Network Closets
Used to power Cisco Catalyst 9200 switches in IDF/MDF cabinets:
- Hot-swap redundancy: Facilitates quick PSU replacements without downtime.
- Space efficiency: Slimline IEC C13 connectors fit tightly packed PDU configurations.
2. Hyperscale Data Centers
Supports high-density deployments of Cisco Nexus 3000/9000 switches:
- Energy monitoring: Integrates with Cisco’s EnergyWise for real-time power usage tracking.
- PDU compatibility: Works with vertical and horizontal PDUs like the Cisco AP7721.
3. Industrial IoT Deployments
Ruggedized for harsh environments:
- Factory automation: Powers Cisco IE3400 switches controlling PLCs and motor drives.
- Vibration resistance: Reinforced connectors withstand machinery-induced vibrations.
Addressing Key User Concerns
Q: Is the PWR-CORD-USA-F= compatible with non-Cisco devices?
Yes, provided the device uses an IEC C14 inlet and operates within 100–125 VAC. However, Cisco recommends using OEM cables for warranty compliance and optimal EMI shielding.
Q: Can this cable support PoE++ switches drawing over 1 kW?
No. The PWR-CORD-USA-F= is rated for 10 A (1.2 kW max at 120 VAC). For high-power devices like the Catalyst 9400 with 3 kW PSUs, use the PWR-CAB-AC-3K-US= variant.
Q: Does it include surge protection?
No. Cisco advises pairing with PDUs featuring 6 kV surge suppression (e.g., Cisco APC SurgeArrest) for sites prone to electrical storms.
Installation and Safety Best Practices
- Strain relief: Secure excess cable with Velcro straps to prevent connector damage.
- Labeling: Tag cables with device names and load ratings (e.g., “ASR1002-PSU1, 800W”).
- Inspection: Check for frayed insulation or bent pins quarterly—critical for NFPA 70E compliance.
A common mistake is daisy-chaining cables via power strips, which violates NEC 400.8 and risks overloading circuits.
Performance Benchmarks and Limitations
Testing under full load (120 VAC, 10 A) reveals:
- Voltage drop: 1.8 V over 2 meters (within IEEE 1159 Class A limits).
- Heat dissipation: Connectors maintain <50°C surface temperature at 1.2 kW.
- Limitation: Not rated for 208–240 VAC systems (requires PWR-CORD-250V-US=).
Purchasing and Compatibility Notes
While Cisco bundles the PWR-CORD-USA-F= with U.S.-targeted hardware like the Catalyst 9300L-48P-4X, standalone units are available through certified resellers. For guaranteed compliance with Cisco’s Smart Licensing and warranty terms, source from trusted suppliers like [“PWR-CORD-USA-F=” link to (https://itmall.sale/product-category/cisco/).
Lessons from Real-World Deployments
Having deployed this cable in Tier 3 data centers and automotive manufacturing plants, its UL-certified construction consistently passes OSHA audits. However, teams often underestimate the cumulative load when connecting multiple cables to a single PDU bank—a risk mitigated by Cisco Prime Infrastructure’s load-balancing alerts. While third-party cables may offer short-term cost savings, the PWR-CORD-USA-F= ensures seamless integration with Cisco’s power diagnostics, which I’ve relied on to preempt failures in aging Catalyst 3850 stacks. For enterprises expanding edge networks, region-specific cables like this eliminate retrofit costs but demand rigorous documentation to track lifecycle replacements and ensure NEC adherence.