What Is the ASR1000X-AC-1100W=?

The ​​ASR1000X-AC-1100W=​​ is a high-efficiency AC power supply module designed for Cisco’s ASR 1000X Series routers, which are widely deployed in enterprise WAN and service provider edge networks. This module delivers ​​1100 watts of reliable power​​ to support bandwidth-intensive applications like SD-WAN, encrypted VPNs, and high-density 10G/40G interfaces.


Core Technical Features

  • ​90%+ operational efficiency​​: Reduces energy waste and heat generation, critical for always-on deployments.
  • ​Hot-swappable design​​: Enables replacement without shutting down the router, ensuring ​​zero service disruption​​.
  • ​Universal input voltage (100-240V AC)​​: Compatible with global power standards, ideal for distributed networks.

ASR1000X-AC-1100W= vs DC Power Supplies: Key Differences

​Factor​ ​ASR1000X-AC-1100W=​ ​DC Power Modules​
​Infrastructure Needs​ Plug-and-play with AC grids Requires DC battery systems
​Deployment Speed​ Minutes Hours (wiring/cabling)
​Cost Efficiency​ Lower upfront investment Higher infrastructure costs

Addressing Critical User Questions

​Q: Can this module support redundant power configurations?​
Yes. The ASR1000X-AC-1100W= supports ​​N+1 redundancy​​ when paired with a second unit, eliminating single points of failure.


​Q: Is it compatible with all ASR 1000X chassis models?​
The module works with ASR 1001-X, ASR 1002-X, and ASR 1006-X routers running Cisco IOS XE 3.18 or later.


​Q: How does it handle voltage fluctuations or surges?​
Built-in ​​active power factor correction (PFC)​​ stabilizes input voltage, protecting against grid inconsistencies and reducing harmonic distortion.


Why This Power Supply Matters for Your Network

  • ​Scalability​​: Powers up to 8x 40G QSFP+ line cards simultaneously without derating.
  • ​Future-proofing​​: Supports software-driven upgrades like Cisco’s Crosswork Automation, which increases power demands.
  • ​Sustainability​​: Meets ENERGY STAR® and 80 PLUS® Gold certifications, aligning with ESG goals.

For detailed specifications and procurement, visit the ASR1000X-AC-1100W= product listing.


Final Perspective

In my years troubleshooting network outages, unstable power supplies were often the hidden culprit. The ASR1000X-AC-1100W= isn’t just a component—it’s the ​​unsung hero​​ of router reliability. While flashy features like 400G interfaces dominate conversations, this module ensures they actually function under real-world load. For teams prioritizing uptime over hype, investing in robust AC power isn’t optional; it’s the foundation of every resilient network.

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