Product Overview
The JPSU-920-AC-AFO is a 920-watt hot-swappable AC power supply designed for Juniper Networks QFX5100 Series and EX4600 switches, supporting front-to-back airflow (AFO). It provides robust, redundant power for high-performance data center and enterprise networks, with built-in thermal management and high energy efficiency. The JPSU-920-AC-AFO is ideal for deployments requiring high availability, efficient cooling, and uninterrupted operation.
Product Details
| Attribute | Description |
| Product Name | JPSU-920-AC-AFO |
| Type | Hot-swappable AC power supply |
| Maximum Output Power | 920 watts |
| Input Voltage | 100–240V AC, 50/60Hz |
| Airflow Direction | Front-to-back (AFO – Airflow Out) |
| Redundancy Support | Yes (1+1 configuration) |
| Compatible Devices | Juniper EX4600, QFX5100 Series switches |
| Cooling | Integrated internal fan |
| Mounting | Rear-panel, tool-less installation |
| Use Case | Enterprise edge, aggregation, and data center deployments |
Key Features
920W high-capacity AC power for demanding switch environments
Front-to-back airflow for hot/cold aisle alignment
Hot-swappable, modular PSU design for uninterrupted operation
Compatible with EX4600 and QFX5100 switch platforms
Supports redundancy and fault tolerance in critical networks
Wide AC input voltage range for global deployment
Built-in cooling and over-temperature protection
Technical Specifications
| Specification | Value |
| Input Voltage | 100–240V AC |
| Input Frequency | 50/60Hz |
| Max Output Power | 920 watts |
| Hot-Swappable | Yes |
| Airflow Direction | Front-to-back (AFO) |
| Cooling | Internal fan |
| Compatibility | EX4600, QFX5100 Series |
| Redundancy Support | Yes (supports 1+1 PSU) |
| Operating Temperature | 0C to 45C |
| Compliance | RoHS, safety & EMI certifications |
Similar Models Comparison
| Model | Wattage | Airflow | Hot-Swappable | Compatible Switches | Redundancy |
| JPSU-920-AC-AFO | 920W | Front-to-back | Yes | EX4600, QFX5100 | Yes |
| JPSU-650W-AC | 650W | Front-to-back | Yes | EX4300, QFX Series | Yes |
| JPSU-600-AC-AFO | 600W | Front-to-back | Yes | EX4300, EX4600 | Yes |
