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Cisco

Cisco A900-PWR550-A | ASR 900 | 550W AC power supply | Field-replaceable | Redundant-capable

SKU:A900-PWR550-A

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Description

Efficient 550W AC power supply for ASR 900 series routers, ideal for moderate power profiles or as an additional redundant unit. The field-replaceable design supports rapid maintenance and 1+1 redundancy when enabled by the chassis.

Features

- Right-sized 550W capacity for efficient deployments
- Field-replaceable to speed service and minimize downtime
- Supports redundant pairs for high availability (platform-dependent)
- Engineered for ASR 900 series power bays
- Reliable AC input for branch/edge sites

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: When should I choose 550W vs 1200W?
A: Select based on the chassis and line card power budget. Check your platform’s power calculator or hardware guide.

Q: Does the chassis need two PSUs?
A: One PSU may be sufficient; add a second for redundancy if supported by the platform and your availability requirements.

Q: Is any special cabling required?
A: Use the platform-recommended AC cord and follow the installation guide for your ASR 900 chassis.

Q: Can I swap this with a DC PSU?
A: Only if the chassis supports that configuration. Verify in the hardware documentation before changing PSU types.

Technical Specifications

- Series compatibility: ASR 900
- Power capacity: 550 W
- Input type: AC
- Form factor: Field-replaceable power supply (FRU)
- Redundancy: Supports 1+1 PSU configurations on supported chassis
- Installation position: ASR 900 PSU bay
- Typical deployment: Primary PSU or redundant pair member
- Designed for continuous operation in enterprise/carrier edge

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