Description

1. Product Title

Juniper JPSU‑550‑DC‑AFO‑ 550W Hot‑Plug DC Power Supply Module, Front‑to‑Back Airflow

2. Product Overview

JPSU‑550‑DC‑AFO is a hot‑swappable 550 W DC power supply unit built for Juniper EX4300 series network switchesJuniper Ne…. It accepts ‑40.8 ~ ‑60 VDC telecom‑grade input and delivers stable regulated output power for switch hardware. Front‑to‑back airflow design dissipates internal heat efficiently within rack‑mount network cabinets. Integrated status LEDs indicate input and output power health for quick on‑site diagnostics. Redundant deployment eliminates single‑point power failure risk for critical industrial and data‑center network infrastructure. As a field‑replaceable unit, it can be swapped without shutting down switch operation to minimize network downtime.

3. Technical Specifications

• Brand: Juniper Networks
• Model: JPSU‑550‑DC‑AFO
• Warranty: One Year
• Condition: 100% New & Original
• Rated Power: 550 W
• DC Input Range: ‑40.8 VDC ~ ‑60 VDCJuniper Ne…
• Airflow: Front‑to‑back (AFO)
• Feature: Hot‑plug / hot‑swappable FRU module
• Indicators: IN‑OK, OUT‑OK status LED
• Compatible Hardware: EX4300‑24P, EX4300‑24T, EX4300‑48P, EX4300‑48T switches
• Weight: 1.1 kg
• Operating Temp: ‑40 °C ~ +55 °C
• Mounting: Rear chassis slot‑mount
• Protection Class: IP20
• 

4. Application Scenarios

• Data‑center EX4300 Switch Cabinet: Redundant DC power supply spare for Juniper EX4300 network hardware.
• Telecom Industrial Rack Network Equipment: Replacement hot‑swap PSU for critical plant LAN switching assemblies.
• Network Hardware Maintenance & Expansion: Drop‑in spare for installed JPSU‑550‑DC‑AFO power modules.