The Cisco PWR-C49M-1000DC 1000W DC Power Supply is a high-efficiency power module engineered for Cisco Catalyst 4900M Series switches, providing reliable DC power for enterprise campus, core, and data center networking environments. Designed for continuous operation, it delivers 1000 watts of stable power output to support mission-critical switching infrastructure while ensuring maximum system availability.
Supporting an input voltage range of –40V DC to –72V DC, the PWR-C49M-1000DC is ideal for telecommunications facilities, enterprise data centers, and organizations that utilize centralized DC power systems. Its efficient power conversion helps maintain consistent performance while optimizing energy consumption.
The power supply features a hot-swappable, field-replaceable design, allowing administrators to replace or upgrade the module without interrupting network operations in supported redundant configurations. It also supports 1+1 redundant power configurations, improving fault tolerance and helping maintain uninterrupted service in the event of a power supply failure.
Integrated with the Cisco Catalyst platform, the PWR-C49M-1000DC provides power status monitoring, hardware diagnostics, and system management through the host switch. Its modular architecture simplifies installation, maintenance, and long-term infrastructure upgrades while reducing operational downtime.
Built for 24×7 enterprise and carrier-grade operation, the Cisco PWR-C49M-1000DC combines dependable performance, high efficiency, and long-term reliability, making it an excellent choice for organizations operating business-critical network infrastructure.
Ideal for enterprise campus networks, data center deployments, core network infrastructure, redundant power configurations, high-availability switching, and mission-critical environments, the Cisco PWR-C49M-1000DC 1000W DC Power Supply delivers reliable power, enhanced resiliency, and seamless integration with Cisco Catalyst 4900M Series switches.
Product Specifications – Cisco PWR-C49M-1000DC 1000W DC Power Supply for Catalyst 4900M Series Switches
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| Specification |
Details |
| Product Name |
Cisco PWR-C49M-1000DC 1000W DC Power Supply Module |
| Manufacturer |
Cisco Systems |
| Part Number |
PWR-C49M-1000DC |
| Product Type |
DC Power Supply Module |
| Power Output |
1000 Watts |
| Input Type |
DC |
| Input Voltage |
–40V DC to –72V DC |
| Power Supply Architecture |
High-Efficiency Modular DC Power Supply |
| Primary Compatibility |
Cisco Catalyst 4900M Series Switches |
| Platform Family |
Cisco Catalyst 4900 Series |
| Power Redundancy |
Supported |
| Redundancy Mode |
1+1 Redundant Power Configuration |
| High Availability |
Supported |
| Hot-Swappable |
Yes |
| Online Replacement |
Supported |
| Field Replaceable |
Yes |
| Installation Type |
Plug-in Power Supply Module |
| Power Management |
Managed through the Host Cisco Catalyst Switch |
| Power Delivery |
Supplies Power to the Switch Chassis and Installed Modules |
| Power Efficiency |
High-Efficiency DC Power Design |
| Continuous Operation |
Designed for 24×7 Enterprise and Carrier-Grade Operation |
| Cooling |
Integrated Cooling with Host Chassis Airflow |
| Airflow |
Chassis-Dependent |
| Status Monitoring |
Power Supply Status LEDs and System Monitoring |
| Fault Detection |
Platform-Based Power Monitoring and Diagnostics |
| Form Factor |
Modular Internal Power Supply |
| Reliability |
Enterprise-Class and Carrier-Grade |
| Deployment Type |
Enterprise, Campus, Core and Data Center Networks |
| Application |
High-Availability Switching and Network Power Redundancy |
| Operating Environment |
Mission-Critical Network Infrastructure |
| Certification |
Cisco Compatible |
| Condition |
Refurbished |
| Use Cases |
Enterprise Campus Networks, Data Center Deployments, Core Network Infrastructure, Redundant Power Configurations, High-Availability Switching, Mission-Critical Environments |
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FAQs
Q1. Which Cisco switches are compatible with the PWR-C49M-1000DC?
The power supply is designed specifically for Cisco Catalyst 4900M Series switches.
Q2. Is the PWR-C49M-1000DC hot-swappable?
Yes. It supports hot-swappable replacement, allowing maintenance without shutting down the switch.
Q3. Does this power supply support redundant configurations?
Yes. It supports 1+1 redundant power configurations to improve network availability and reliability.
Q4. What input voltage does the PWR-C49M-1000DC require?
The power supply operates on a DC input range of –40V DC to –72V DC, making it suitable for carrier and enterprise deployments.
Q5. What environments is this power supply best suited for?
It is ideal for enterprise campuses, data centers, aggregation networks, and other mission-critical environments that require reliable and continuous DC power.
