onerbl B0CZDWQ4J2
User Manual for onerbl 12V AC/DC Adapter
Model: B0CZDWQ4J2
1. Introduction
This manual provides essential information for the safe and efficient use of your onerbl 12V AC/DC Adapter. Please read this manual thoroughly before operating the device and retain it for future reference.
2. Safety Information
To prevent injury or damage to the product, observe the following safety precautions:
- Use only with compatible devices as specified (Wavlink UG39DK3, WL-UG39DK3 REV A).
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Do not disassemble or attempt to repair the adapter. Refer servicing to qualified personnel.
- Ensure the power outlet voltage matches the adapter's input specifications (AC 100-240V).
- Disconnect the adapter from the power source when not in use or during electrical storms.
- Keep out of reach of children.

Figure 2.1: The adapter features built-in protections against short-circuits, over-voltage, and over-current to ensure safe operation and protect connected devices.
3. Package Contents
Verify that all items are present in the package:
- 1 x onerbl 12V AC/DC Adapter
- 1 x AC Power Cord

Figure 3.1: The complete package includes the main adapter unit and the detachable AC power cord.
4. Setup
Follow these steps to set up your AC/DC adapter:
- Connect the AC power cord to the adapter's input port. Ensure a firm connection.
- Plug the other end of the AC power cord into a standard wall outlet (AC 100-240V).
- Connect the DC output plug of the adapter to the compatible device (e.g., Wavlink UG39DK3 docking station). Ensure the plug is fully inserted into the device's power input jack.
- Verify that the indicator light on the adapter illuminates, indicating it is receiving power.

Figure 4.1: Proper setup showing the adapter connected to a power source and a compatible device.
5. Operating Instructions
Once connected, the adapter provides stable 12V DC power to your compatible device. No further user interaction is required for basic operation.
- The adapter is designed for continuous operation within its specified voltage and current limits.
- An illuminated indicator light on the adapter confirms active power supply.
6. Maintenance
To ensure the longevity and optimal performance of your adapter:
- Keep the adapter clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid placing heavy objects on the power cord or adapter.
- Store the adapter in a cool, dry place when not in use.
- Regularly inspect the power cord and adapter for any signs of damage, such as frayed wires or cracked casing. Discontinue use if damage is found.

Figure 6.1: The durable design of the power cable, featuring copper wire and a PVC jacket, contributes to its longevity and reliability.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter indicator light is off. | No power from outlet or loose connection. | Check wall outlet with another device. Ensure all cables are securely connected. |
| Device not receiving power. | Incorrect adapter, faulty adapter, or device issue. | Verify adapter compatibility with your device. Test adapter with another compatible device if possible. If adapter is faulty, replace it. |
| Adapter gets excessively hot. | Overload or poor ventilation. | Ensure the connected device's power requirements do not exceed the adapter's output. Place adapter in a well-ventilated area. Discontinue use if overheating persists. |
8. Specifications
| Feature | Specification |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 12V |
| Compatibility | Wavlink UG39DK3, WL-UG39DK3 REV A USB 3.0 Universal Docking Station |
| Protections | Over Voltage Protection, Over Heat Protection, Short-circuit Protection, Over-current Protection |
| Cable Length | Approximately 127.8 inches (DC cable: 44.3 inches, AC cable: 79.3 inches) |

Figure 8.1: Detailed dimensions and cable lengths of the onerbl 12V AC/DC adapter.

Figure 8.2: The extended cord design provides flexibility in placement and usage.
9. Warranty and Support
This product is covered by a standard manufacturer's warranty. For warranty claims, technical support, or inquiries, please contact the seller or manufacturer directly through the platform where the product was purchased.
Manufacturer: Shenzhen Waweis Technology Co., Ltd
Brand: onerbl
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