1. Introduction
This user manual provides essential information for the safe and effective use of your T-Power 5V AC/DC Power Adapter (Model TP-Uv3-HJA). This adapter is designed to power various compatible electronic devices, including specific 2Wire ATT modems, Steam Link devices for TV gaming, and IOGEAR GCS1742 KVM Switches. Please read this manual thoroughly before use and retain it for future reference.

Figure 1: T-Power 5V AC/DC Power Adapter. This image shows the compact design of the power adapter with its attached cable and barrel connector.
2. Safety Information
Your T-Power adapter is manufactured with high-quality materials and incorporates multiple safety features to ensure reliable operation and protection for your devices. Adhere to the following safety guidelines:
- Compatibility: Always verify that the adapter's voltage and current specifications match your device's requirements. Using an incompatible adapter can damage your device. Refer to the "Specifications" section and your device's manual.
- Protection Features: The adapter includes safeguards against incorrect voltage (IV), short circuit (SC), and internal overheating (IO).
- Certifications: This product is CE, FCC, and RoHS certified, indicating compliance with relevant safety and environmental standards.
- Environment: Use the adapter in a dry environment. Avoid exposure to water, moisture, or extreme temperatures.
- Ventilation: Ensure adequate ventilation around the adapter during use to prevent overheating. Do not cover the adapter.
- Handling: Do not drop, disassemble, or attempt to repair the adapter. If damaged, discontinue use immediately.
- Children: Keep the adapter and its cable out of reach of children.
3. Setup
Follow these steps to set up your T-Power 5V AC/DC Power Adapter:
- Unpack: Carefully remove the power adapter and cable from its packaging.
- Verify Compatibility: Before connecting, confirm that your device requires a 5V DC input and that the barrel connector size is compatible. The adapter is specifically designed for devices such as 2Wire ATT 2701HG-B Modems, Steam Link, and IOGEAR GCS1742 KVM Switches.
- Connect to Device: Insert the barrel connector end of the adapter cable firmly into the power input port of your electronic device.
- Connect to Power Outlet: Plug the AC plug of the adapter into a standard 110-240V wall outlet.
- Power On: Once connected, your device should receive power. If your device has a power indicator, it should illuminate.

Figure 2: T-Power 5V AC/DC Power Adapter showing the barrel connector. This image highlights the connector type for proper device connection.
4. Operation
The T-Power 5V AC/DC Power Adapter operates automatically once connected. It provides a stable 5V DC output to your compatible device. There are no user-adjustable settings on the adapter itself.
- Ensure the adapter is securely plugged into both the wall outlet and your device.
- The adapter is designed for continuous use, but it is recommended to unplug it from the wall outlet when not in use for extended periods.
5. Maintenance
Proper care and maintenance will extend the life of your power adapter:
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly winding the cable to prevent damage.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as frayed wires, cracks, or loose connections. If damage is found, discontinue use and replace the adapter.
6. Troubleshooting
If you encounter issues with your T-Power adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
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| Device power indicator blinking (e.g., red/green on 2Wire ATT modem). |
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| Adapter feels warm during use. |
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7. Specifications
| Feature | Detail |
|---|---|
| Model Number | TP-Uv3-HJA |
| Input Voltage Range | 110-240V AC |
| Output Voltage | 5V DC |
| Wattage | 24 Watts |
| Connector Type | Barrel Connector |
| Special Feature | Fast Charging |
| Product Dimensions | 4 x 4 x 2 inches |
| Item Weight | 0.353 ounces |
| Certifications | CE, FCC, RoHS |
| Compatible Devices | 2Wire ATT 2701HG-B Modem Wireless 2700 HG-B 2700HG-B, 2700HGV-E 2700HG, 1701HG, 2700HG, 2701HG, 2701HG-B 2700HG-B 1701HG GPUSW0512000CD3S Router, Steam Link, IOGEAR GCS1742 KVM Switches. |
8. Warranty & Support
T-Power is committed to providing high-quality products and customer satisfaction.
- 1-Year Limited Manufacturer Warranty: This product is covered by a 1-year limited manufacturer warranty against defects in materials and workmanship.
- 30-Day Return Policy: You may return your undamaged product within 30 days of purchase for a full refund for any reason.
- Technical Support: For any inquiries, compatibility questions, or if you received a wrong item or the adapter tip doesn't fit your device, please contact T-Power customer support. Ensure you have your model number (TP-Uv3-HJA) and device information ready.
- Contact Information: Please refer to the seller's information on the purchase platform for direct contact methods.





