JPSU-1100-AC-AFO High-Efficiency AC Power Supply for Juniper EX and
QFX Series
Product Overview
The JPSU-1100-AC-AFO is a 1100W hot-swappable AC power supply
module from Juniper Networks, engineered for high-capacity switches
such as the EX and QFX series. With front-to-back airflow (AFO), it
is ideal for hot-aisle cooling environments in modern data centers.
This power supply ensures efficient, reliable, and redundant power
delivery for switches that support advanced networking workloads,
making it well-suited for enterprise aggregation, data center
leaf/spine, and service provider edge scenarios.
Product Details
| Attribute | Description |
|---|
| Product Name | JPSU-1100-AC-AFO |
| Brand | Juniper Networks |
| Power Output | 1100 Watts |
| Input Type | AC |
| Airflow Direction | Front-to-back (AFO) |
| Hot-swappable | Yes |
| Redundancy Support | Yes (N+1 configuration) |
| Compatibility | Selected Juniper QFX and EX Series switches |
| Efficiency | High-efficiency AC to DC conversion |
| Form Factor | Modular PSU for rackmount switches |
Key Features
1100W high-power output to support power-hungry switching systems
Front-to-back airflow (AFO) supports data centers with hot-aisle
designs
Hot-swappable to ensure uninterrupted operation during replacemen
tSupports N+1 power redundancy for maximum availability
Designed for use with EX4600, QFX5110, QFX5200, and QFX10000 series
High power efficiency reduces energy consumption and heat output
Complies with industry standards for safety and environmental
certifications
Technical Specifications
| Specification | Value |
|---|
| Power Output | 1100W AC |
| Input Voltage Range | 100–240V AC |
| Frequency | 50–60 Hz |
| Airflow | Front-to-back (AFO) |
| Hot-swappable | Yes |
| Redundancy Mode | Supported (N+1) |
| Efficiency | ≥ 90% |
| Operating Temperature | 0°C to 45°C |
| Dimensions | Fits 1U/2U switch PSU slot |
| Compliance | RoHS, EMC, and safety certified |
Compatible Devices
| Switch Model | Compatibility |
|---|
| QFX5110 Series | Supported |
| QFX5200 Series | Supported |
| EX4600 Series | Supported |
| QFX10000 Series | Model-specific (verify by SKU) |
Similar Models Comparison
| Model | Power Output | Airflow Direction | Hot-swappable | Recommended Use Case |
|---|
| JPSU-1100-AC-AFO | 1100W | Front-to-back | Yes | High-power data center switches |
| JPSU-920-AC-AFO | 920W | Front-to-back | Yes | Mid-range QFX/EX deployments |
| JPSU-715-AC-AFO | 715W | Front-to-back | Yes | Lower-power devices |
| JPSU-1100-AC-AFI | 1100W | Back-to-front | Yes | Cold-aisle environments |
