Arista

Arista PWR-1100-DC-R | 1100W DC PSU, R2F airflow, for 7050X/7250X

SKU:PWR-1100-DC-R

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Description

1100W hot-swappable DC power module with rear-to-front (power-to-ports) airflow for select 7050X and 7250X switches. Supports -36 to -72 VDC input for telco environments, enabling 1+1 redundancy while matching R airflow systems.

Features

- 1100W DC output for high-density switching platforms
- Rear-to-front airflow for R-oriented deployments
- Hot-swappable for minimal downtime
- Supports resilient 1+1 power architectures
- Optimized for -48 VDC environments
- Purpose-built for 7050X/7250X compatibility

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: Which airflow direction does this PSU provide?
A: Rear-to-front (R2F), moving air from the power side to the port side.

Q: Do I need to match PSU airflow with the switch airflow?
A: Yes. Use R airflow PSUs with R airflow switches, and F airflow PSUs with F airflow switches.

Q: Is the PSU hot-swappable?
A: Yes, it supports live replacement in redundant configurations.

Q: What DC power range is supported?
A: -36 to -72 VDC input (nominal -48 VDC).

Q: Can AC and DC supplies be mixed in the same chassis?
A: No. Install matching PSU types for supported operation.

Technical Specifications

- Output power: 1100W DC
- Input voltage: -36 to -72 VDC (nominal -48 VDC)
- Airflow: Rear-to-front (R2F; power-to-ports)
- Form factor: Hot-swappable field-replaceable PSU
- Redundancy: Supports 1+1 PSU configurations
- Cooling: Integrated fan; airflow matches 'R' chassis
- Compatibility: Arista 7050X and 7250X series models that accept 1100W DC supplies
- Input connector: DC terminal block/lugs

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