Description
The Cisco A920-PWR400-D= is a 400-watt DC power supply designed for Cisco ASR 920 Series Aggregation Services Routers. Built for carrier-grade deployments, this hot-swappable power module delivers reliable DC power for service provider, metro Ethernet, and mobile backhaul environments.
Engineered for high availability, the A920-PWR400-D= supports redundant power configurations to ensure continuous network operation. Its robust design enables deployment in demanding environments, including remote and temperature-challenged locations. Ideal for telecom central offices and outdoor cabinets, this power supply helps maintain uptime in mission-critical networks.
| Specification | Details |
|---|---|
| Manufacturer | Cisco |
| Model | A920-PWR400-D= |
| Product Type | Power Supply Unit (PSU) |
| Power Output | 400 Watts |
| Input Type | DC Power |
| Input Voltage Range | -18 to -32 VDC or -36 to -72 VDC |
| Nominal Voltage | -24 VDC / -48 VDC |
| Compatibility | Cisco ASR 920 Series Routers |
| Redundancy Support | Yes (dual PSU capable) |
| Hot-Swappable | Yes |
| Installation Type | Internal, modular |
| Intended Environment | Service provider, telecom, carrier Ethernet |
| Condition | New |
| RoHS Compliant | Yes |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
