• Vibrant pink glossy Juniper fruit sticker for JPSU-550-DC-AF PSU
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Juniper

Juniper JPSU-550-DC-AF | 550W DC PSU | EX4300 | Back-to-front airflow (AF) | Hot-swap | -48 VDC telco

JPSU-550-DC-AF

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Description

550W DC power supply for EX4300 Series switches with back-to-front (AF) airflow, ideal for environments that require port-side intake. Supports hot swapping and 1+1 redundancy in -48 VDC sites.

Features

- 550W DC capacity for -48 VDC facilities
- Back-to-front airflow to match reverse-cooling deployments
- Hot-swappable for service continuity
- Supports 1+1 redundancy for high availability
- Suitable for PoE-capable EX4300 when DC power is required
- Simple FRU replacement for fast turnaround

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

- Power capacity: 550 W
- Input type: DC (-48 VDC nominal)
- DC input range: -40 to -72 VDC
- Airflow: Back-to-front (AF)
- Form factor: Field-replaceable PSU module for EX4300 Series
- Hot-swappable: Yes
- Redundancy: Supports 1+1 PSU redundancy
- Compatibility: EX4300 Series switches
- DC feed: Telco -48 VDC
- Use case: Reverse-airflow racks and DC-powered sites

FAQs

Q: What airflow does this PSU provide?
A: Back-to-front (AF), suitable for port-side intake designs. Match airflow across PSUs and fan trays.

Q: Is it compatible with EX4300 switches?
A: Yes, it is designed for the EX4300 Series.

Q: Is the unit hot-swappable?
A: Yes. It can be replaced without shutting down the switch.

Q: Can I use this with an AC PSU in the same switch?
A: No. Do not mix AC and DC PSU types within the same chassis.

Q: What DC voltage range is supported?
A: Typically -40 to -72 VDC with -48 VDC nominal input.

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