Ubiquiti INS-3AF-O-G Instant Passive PoE to 802.3af Adapter - 48V DC Input - 24V DC 500mA Output - Gigabit Ethernet with Surge Protection
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Product Features
Technical Overview
This PoE adapter accepts a 48V DC input and delivers a regulated 24V DC output at up to 500 mA, converting passive PoE signals to the 802.3af standard. The conversion process ensures that passive PoE devices receive stable, compliant power for consistent operation, reducing the risk of power-related failures in network equipment.
Both the input and output ports support 10/100/1000Base-T Ethernet, providing full gigabit throughput for data transmission. This allows the adapter to handle high-bandwidth applications without becoming a bottleneck in the network. The inclusion of surge protection safeguards connected devices from voltage spikes, enhancing overall network reliability.
Relevant factors for this section include Protection Type, Input Voltage, Maximum Output Voltage, Maximum Output Current. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The INS-3AF-O-G adapter offers distinct advantages for network deployments requiring backward compatibility with passive PoE devices. Its ability to transform non-standard PoE into 802.3af-compliant power extends the lifespan of existing hardware and simplifies infrastructure upgrades.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Standard Compliance, Performance and Protection.
Standard Compliance
Converts passive PoE to IEEE 802.3af standards, ensuring interoperability with modern switches and reducing compatibility issues in mixed environments.
- Enables use of 802.3af switches with passive PoE devices
- Maintains network standardization
Performance and Protection
Delivers gigabit Ethernet speeds on both ports while incorporating surge protection to minimize downtime from electrical disturbances.
- Supports high-throughput applications
- Protects connected equipment from voltage spikes
Deployment / Use Cases
This adapter is ideal for scenarios where legacy passive PoE devices need to integrate with newer 802.3af-based network systems. It serves as a practical solution for gradual network upgrades, allowing organizations to modernize power delivery without immediate hardware replacement.
Common use cases include connecting older Ubiquiti wireless access points, IP cameras, or other passive PoE devices to contemporary PoE switches. The adapter's external design facilitates easy placement near equipment racks or endpoint devices, supporting flexible installation in office buildings, educational facilities, or retail environments.
Network Upgrades
Use the adapter to transition from passive PoE to 802.3af standards, enabling the deployment of new switches while retaining existing endpoint devices.
Remote Power Management
Leverage 802.3af switches for remote power control applications, such as cycling power on connected devices or monitoring power status through network management tools.
Physical Profile
The adapter features an external form factor with a depth of 14.43 inches (366.60 mm) and a lightweight design at approximately 3.17 ounces (90 g). Its compact and portable build allows for convenient placement on desktops, mounting on walls, or integration into network cabinets without occupying significant space. The straightforward design supports quick deployment in various settings, from controlled data centers to distributed edge locations.
- Depth
- 14.43" (366.60 mm)
- Weight
- 3.17 oz (90 g)
Highlights
- Converts passive PoE to 802.3af-compliant power
- 48V DC input to 24V DC, 500 mA output
- Gigabit Ethernet ports for high-speed data
- Built-in surge protection for reliability
- IEEE 802.3af certified for interoperability
- External form factor for easy installation
- Works with 802.3af switches for remote power control
- Supports legacy passive PoE device integration
Specifications
| Specifications | |
|---|---|
| Manufacturer | Ubiquiti Inc. |
| Manufacturer Part Number | INS-3AF-O-G |
| Brand Name | Ubiquiti |
| Product Line | Instant |
| Product Model | INS-3AF-O-G |
| Product Name | Instant 802.3af Passive PoE to 802.3af Adapter |
| Product Type | PoE Injector |
| Technical Information | |
| Protection Type | Surge Protection |
| Power Description | |
| Input Voltage | 48 V DC |
| Maximum Output Voltage | 24 V DC |
| Maximum Output Current | 500 mA |
| Interfaces/Ports | |
| Input Ports | 1 x 10/100/1000Base-T |
| Output Ports | 1 x 10/100/1000Base-T |
| Physical Characteristics | |
| Form Factor | External |
| Depth | 14.43" (366.60 mm) |
| Weight (Approximate) | 3.17 oz (90 g) |
| Miscellaneous | |
| Certifications & Standards | IEEE 802.3af |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What does this PoE adapter do?
The Ubiquiti INS-3AF-O-G adapter converts passive Power over Ethernet (PoE) to the IEEE 802.3af standard. It takes a 48V DC passive PoE input and delivers a regulated 24V DC output at up to 500 mA, allowing legacy passive PoE devices to work with modern 802.3af-compliant network switches. This enables network upgrades without replacing existing endpoint equipment.
What are the input and output specifications?
The adapter accepts a 48V DC input from a passive PoE source and provides a 24V DC output with a maximum current of 500 mA. This conversion ensures that passive PoE devices receive stable, compliant power according to 802.3af standards, supporting reliable operation in various network environments.
Does it support gigabit Ethernet speeds?
Yes, both the input and output ports are 10/100/1000Base-T, providing full gigabit Ethernet throughput. This allows the adapter to handle high-bandwidth data transmission without limiting network performance, making it suitable for applications requiring fast data transfer alongside power delivery.
Is surge protection included?
Yes, the adapter includes surge protection to safeguard connected devices from voltage spikes and electrical disturbances. This feature enhances network reliability by reducing the risk of damage from power fluctuations, which is particularly important in environments with unstable power sources or outdoor deployments.
What certifications does it have?
The adapter is certified to IEEE 802.3af, ensuring compliance with industry standards for PoE interoperability and safety. This certification guarantees that the device works reliably with other 802.3af-compliant equipment, facilitating seamless integration into standardized network infrastructures.
How is it installed and used?
Installation is straightforward: connect the input port to a passive PoE source (like an older switch or injector) and the output port to a passive PoE device. The adapter's external form factor allows for flexible placement on desktops, walls, or racks. It is commonly used to integrate legacy passive PoE devices, such as wireless access points or IP cameras, with newer 802.3af switches for remote power management and network upgrades.
| Qty | Price | Available |
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