ASR1002-PWR-AC Cisco Power Supply | Reliable AC PSU
Enterprise and service-provider networks depend on stable, uninterrupted power to maintain uptime, performance, and security. The ASR1002-PWR-AC is a Cisco-approved AC power supply specifically designed for the Cisco ASR 1002 Aggregation Services Router, ensuring consistent power delivery in mission-critical environments.
In this guide, we explain what the ASR1002-PWR-AC is, how it works, where it fits best, and why using an original Cisco power supply is essential for long-term network reliability. Whether you are upgrading, replacing a failed PSU, or planning redundancy, this article gives you a clear, practical understanding.
What Is the ASR1002-PWR-AC?
The ASR1002-PWR-AC is an AC-input power supply unit designed for the Cisco ASR 1002 Series Routers. It converts standard alternating current into regulated direct current required by internal router components such as processors, memory, and interface modules.
Key Purpose of ASR1002-PWR-AC
- Delivers stable and efficient power to ASR 1002 routers
- Supports redundant power configurations
- Reduces the risk of downtime caused by power fluctuations
Unlike generic power supplies, the ASR1002-PWR-AC is engineered to meet Cisco’s electrical, thermal, and safety standards.
ASR1002-PWR-AC Key Features and Benefits
Reliable AC Power Input
The ASR1002-PWR-AC supports standard AC electrical environments, making it suitable for data centers, enterprise server rooms, and telecom facilities.
Hot-Swappable Design
- Allows installation or replacement without powering down the router
- Supports continuous network operation
Redundancy Support
- Works in dual power supply configurations
- If one power supply fails, the second continues powering the router
- Improves overall network availability
Cisco-Certified Compatibility
The ASR1002-PWR-AC is tested for electrical stability, heat management, and long operational life, reducing the risk of hardware failure.
Technical Overview of ASR1002-PWR-AC
- Product type: AC power supply module
- Model number: ASR1002-PWR-AC
- Designed for: Cisco ASR 1002 router only
- Power input: AC (alternating current)
- Installation type: Hot-swappable
- Redundancy support: Yes, with dual power supplies
- Function: Converts AC power into regulated DC power
- Manufacturer: Cisco Systems
- Usage environment: Enterprise networks, data centers, service providers
Why Use Genuine Cisco ASR1002-PWR-AC?
1. Network Stability
Non-genuine or incompatible power supplies may lead to unexpected shutdowns, degraded performance, or permanent hardware damage. The ASR1002-PWR-AC is built to provide consistent power under continuous load.
2. Long-Term Cost Efficiency
Although original Cisco power supplies may cost more initially, they significantly reduce downtime costs, emergency replacements, and the risk of router failure.
3. Compliance and Safety
Cisco power supplies follow strict safety and compliance standards required in regulated industries such as finance, healthcare, and telecommunications.
Common Use Cases for ASR1002-PWR-AC
Enterprise Networks
Large enterprises running core routing on ASR 1002 routers rely on ASR1002-PWR-AC for stable operations and business continuity.
Service Providers
Internet service providers and telecom operators use redundant power supplies to maintain service-level agreements and customer trust.
Data Centers
Hot-swappable power supplies enable maintenance without interrupting live network traffic, which is critical in data center environments.
Installation and Replacement Tips
Before Installing ASR1002-PWR-AC
- Confirm compatibility with Cisco ASR 1002 router
- Check available power supply slots
- Ensure proper grounding and airflow
During Installation
- Insert the ASR1002-PWR-AC firmly into the power supply bay
- Connect to a stable AC power source
- Verify status indicators on the router
Best Practice
For high-availability environments, always use two ASR1002-PWR-AC power supplies to enable redundancy.
ASR1002-PWR-AC vs Third-Party Power Supplies
ASR1002-PWR-AC (Cisco Original)
- Fully Cisco-certified
- Guaranteed compatibility with ASR 1002 routers
- Reliable hot-swapping support
- Stable and consistent power output
- Maintains Cisco hardware warranty
- Designed for long-term, continuous use
Third-Party Power Supplies
- Not certified by Cisco
- Compatibility may vary
- Hot-swapping may not be reliable
- Higher risk of power instability
- May void manufacturer warranty
- Uncertain reliability in critical environments
Expert Insight: Power Redundancy and Network Uptime
Power-related issues are among the most common causes of network downtime. Using redundant power supplies significantly improves fault tolerance and reduces the impact of electrical failures. Deploying dual ASR1002-PWR-AC units is considered a best practice for enterprise-grade network design.
Frequently Asked Questions:
What is ASR1002-PWR-AC used for?
ASR1002-PWR-AC is an AC power supply used to deliver stable and reliable power to Cisco ASR 1002 routers.
Is ASR1002-PWR-AC hot-swappable?
Yes, ASR1002-PWR-AC supports hot-swapping, allowing replacement without shutting down the router.
Can I install two ASR1002-PWR-AC power supplies?
Yes, installing two power supplies enables redundancy and ensures continuous operation if one fails.
Is ASR1002-PWR-AC compatible with other Cisco routers?
No, ASR1002-PWR-AC is designed exclusively for the Cisco ASR 1002 router.
Should I choose Cisco original over third-party power supplies?
For mission-critical environments, Cisco-original ASR1002-PWR-AC power supplies are recommended for reliability, safety, and warranty protection.
Conclusion:
The ASR1002-PWR-AC is an essential component for powering Cisco ASR 1002 routers reliably and safely. Its hot-swappable capability, redundancy support, and Cisco-certified design make it ideal for enterprise, data center, and service-provider environments.
If uptime, hardware protection, and long-term performance are priorities, the ASR1002-PWR-AC remains the most dependable power solution for your network infrastructure.
