• Vibrant pink glossy Juniper fruit sticker for JPSU-850W-AC-AFI PSU
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Juniper

Juniper JPSU-850W-AC-AFI | QFX5100 850W AC Power Supply, Back-to-Front (AFI)

JPSU-850W-AC-AFI

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Description

This 850W AC power supply module is built for Juniper QFX5100 series data centre switches. It is a field-replaceable unit with back-to-front airflow (AFI), suited to top-of-rack and leaf deployments where cooling air must move in a back-to-front direction through the switch.

The module delivers 850W of rated output from an AC input. It is listed as a power supply option for the QFX5100-96S, and it supports redundant AC power configurations on QFX5100 switches when a second supply is fitted.

The airflow direction is the key attribute of this variant. The AFI airflow of the power supply must match the airflow direction of the switch and its installed fan modules, so choose this part for QFX5100 switches such as the QFX5100-96S-AFI and QFX5100-24Q-AFI.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Supports redundant AC power configurations on QFX5100 switches
- Back-to-front (AFI) airflow for hot-aisle exhaust layouts
- Field-replaceable power supply module
- 850W rated output for QFX5100 series data centre switches

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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Technical Specifications

FAQs

Technical Specifications

- Part number: JPSU-850W-AC-AFI
- Rated output: 850W
- Input type: AC
- Airflow direction: Back-to-front (AFI)
- Form factor: Field-replaceable power supply module
- Compatible series: QFX5100 (listed for QFX5100-96S)

FAQs

Q: Which switches does this power supply fit?
A: It is designed for QFX5100 series switches with back-to-front (AFI) airflow, such as the QFX5100-96S-AFI and QFX5100-24Q-AFI.

Q: Does the airflow direction need to match the switch?
A: Yes. The AFI airflow of this power supply must match the airflow direction of the switch and the fan modules installed in it.

Q: Does it support redundant power?
A: Yes. It supports redundant AC power configurations on QFX5100 switches when installed alongside a second supply.

Q: How does this differ from the JPSU-850W-AC-AFO?
A: Both are 850W AC supplies. This model has back-to-front (AFI) airflow, while the AFO variant uses the opposite airflow direction.

Q: Is this an AC or DC power supply?
A: It is an AC power supply with an 850W rated output.

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